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BGC » Chemicals A-Z » L-Cysteine
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L-Cysteine

BGC Id:350121248698
CAS No:52-90-4
Synonyms:h-cys-oh ; e 920 ; cysteine ; thioserine ; nsc-8746 ; l-cys ; cysh ; fema 3263 ; cys ; cystein
Molecular Formula:C3H7NO2S
Molecular Weight:121.16
EINECS:200-158-2
Structural Formula
Listed are 30 international and reliable suppliers for L-Cysteine. They are coming from 5 countries around the world. These vendors belong to 30 different business types like 'Import & export company' and 'Bulk chemical producer'
Please contact all the below listed distributors/manufacturers for L-Cysteine and ask for prices, package standards and transport possibilities. Our registered distributors will help you to get all necessary information and product specifications.


supplier ww
registered suppliers of L-Cysteine worldwide

2025 - The most valued supplier

The following 30 notable providers have been checked and can be recommended.
Chemical-Suppliers
Purestar Chem
(Animal derived /Non-animal derived)
Chemical-Suppliers
Wuhan PharmChem LTD.
EINECS :200-158-2 Molecular formula :C3H7NO2S
Chemical-Suppliers
Senzhuo Industry
Purity : 99,0%
Chemical-Suppliers
Unilong Industry
Appearance White crystals or crystalline powder. Specific rotation [α ]D20 +8.3°~ +9.5° State of solution ≥ 95.0% Chloride(Cl) ≤ 0.2% Ammonium( NH4) ≤ 0.02% Sulfate(SO4) ≤ 0.030% Iron(Fe) ≤ 10ppm Heavy metals(Pb) ≤ 10ppm Arsenic(As2O3) ≤ 1ppm Other amino acids ≤ 1.0% Loss on drying ≤ 0.5% Residue on ignition ≤ 0.1% Assay 98.0~101.0% pH 4.5~5.5
Chemical-Suppliers
Xiamen Hisunny Chemical
Molecular Formula : C3H7NO2S

Chemical-Suppliers
H&Z Industry
Appearance White crystal powder Specific rotation +8.3°to +9.5° State of solution(Transmittance) ≥ 95% Loss on drying ≤ 0.50% Residue on ignition ≤ 0.10% Heavy metal(Pb) ≤ 10ppm Chloride ≤ 0.07% As2O3 ≤ 1ppm Iron(Fe) ≤ 10ppm NH4 ≤ 0.02% Sulfate(SO4) ≤ 0.030% Other amino acids Chromatographically PH 4.5-5.5 Assay 98.0%-101.0%%
Chemical-Suppliers
Leap Chem
Molecular Formula: C3H7NO2S Molecular Weight: 121.16 Hazard Symbols: Xn,Xi WGKGermany: 3 HS Code: 29309012

The last intensive check and update was carried out on 2025/11/10.

Identify

Synonyms:
h-cys-oh ; e 920 ; cysteine ; thioserine ; nsc-8746 ; l-cys ; cysh ; fema 3263 ; cys ; cystein
CAS:
52-90-4
EINECS:
200-158-2
Molecular Formula:
C3H7NO2S
MDL:
MFCD00064306

Properties

Molecular Weight:
121.16 g·mol−1
Density:
1.68 g/cm3
Melting point:
220 °C (dec.)(lit.)
Boiling point:
254 °C
Solubility:
H2O: 25 mg/mL
download Download Molfile

Suppliers

Hädener Rohstoffe GmbH

Hädener Rohstoffe GmbH is a leading Swiss distributor founded in 1987 with main activities in the market of life science, food ingredients, industrial chemicals and cosmetic raw materials. Sodium hydroxide will be also provided by us. Beside our headquarter in St. Gallen we have an office in Shanghai, warehouses in Rotterdam and St. Gallen with a logistical network serving the Swiss and EU market. Hädener Rohstoffe GmbH is a partner to the raw material processing industry, developing tailor made solutions, offering a coh ...
Country: Switzerland   Phone: +41-(0)71223 5218   Telefax: +41-(0)71223 5219

B.M.P. Bulk Medicines & Pharmaceuticals GmbH

Company type: Bulk med & pharma supplier
Country: Germany
Phone: +49-40-645568-0
Telefax: +49-40-645568-85
B.M.P. Magnesium trisilicate will be also provided by us. GmbH – a GMP and ISO certified company - was founded in 1979 and is part of the B.M.P. Pharma Trading AG which went public in 2001 at the German stock market. The main activities of B.M.P. are focused on the distribution of raw materials to the pharmaceutical, health-food and nutraceutical industries. Our strongest products are amino acids, vitamins, health-food supplements and veterinary products. For most of our products we can supply full product documentation inc ...

Beckmann-Kenko GmbH

Our company BECKMANN-KENKO GmbH is a joint venture between Beckmann Chemikalien KG in Germany founded in 1977 and Kenko Corporation in Japan founded in 1965. We are a young and ambitious import/export company. Carbamide peroxide is also served by Beckmann-Kenko GmbH. Acting independently and on behalf of a selected number of internationally renowned principals, we resource and market speciality chemicals. Located in Bassum, Germany we also have our own office in Shanghai, China and warehouse facilities of 3000 square meters within t ...
Company type: Internat. trading company
Country: Germany
Phone: +49 4241 9308-0
Telefax: +49 4241 9308-30

Regent Science Industry Limited

Company type: Producer
Regent Science Industry Limited(RSI) is a leading chemical and life science company focused on making science and discovery easier, manufactures and distributes more than 35,000 chemicals, biochemical,drug analytical,glusciences and other essential products. We sell Fenamidone metabolite as well. RSI supplies a range of products including material science,drug research and devleopment reagents, tissue culture reagents, polymer,amino acids and their derivatives, peptide reagents for research institutes, univers ...
Country: P.R.China   Phone: +86 18938635012   Telefax: +86 755-85201366

Newstar Chem Enterprise Ltd.

Company type: Leading producer
Country: P.R.China
Phone: +86-572-2722882
Telefax: +86-574-2722892
Newstar Chem Enterprise Ltd. is a technology based company located in Huzhou. We are supplier of Fluticasone furoate. We have our own factories in Zhejiang Province, Jiangsu province and Shandong province, mainly producing pharmaceutical/veterinary raw material, Food/feed additives, herbal extracts, intermediates and other fine chemicals. Through decades years development, we also established a good long term business relationship with thousands of manufacturers in China and becomes sales agent for them. Most of th ...

Purestar Chem Enterprise Co., Ltd.

We provide Dicalcium phosphate anhydrous as well. Purestar Chem Enterprise Co., Ltd. (also known as Huzhou Purestar Biochem Co.,Ltd),is located in Huzhou,150km from Shanghai,we have our own factory in Zhejiang,which covers an area of 3,5000 m2,with complete R&D,manufacture,sales,QC,QA,warehouse departments.And equipped with complete extraction, fermentation, purification etc.facilities, and HPLC, UV, GC, spectrophotometer and other quality control instrument. Meanwhille,as we continue to grow and expand since 2005,we also e ...
Company type: Supplier
Country: P.R.China
Phone: +86-572-2157374
Telefax: +86-572-2146389

Zyntex Ltd

Company type: Bulk chemical supplier
As Zyntex, we have been providing reliable solutions at global standards in the pharmaceutical raw materials and specialty chemicals sector since our establishment. The mission of contributing to human health and supporting technological progress is at the center of our activities. Our wide range of products ranges from pharmaceutical active ingredients to food supplements, from feed additives to innovative chemical products. Our Quality and Trust-Oriented Approach Zyntex ...
Country: Türkiye  

Wuhan PharmChem Co., LTD.

Company type: Import & export company
Country: P.R.China
Phone: +86 27 85835203
Telefax: +86 27 85835203
Wuhan PharmChem CO., LTD. has been a premier chemical supplier distributing high-quality chemicals to businesses in various industries for the whole world. We are supplier of 2-Aminoadenosine. At Wuhan PharmChem, we are committed to excellence.From manufacturing to packaging and delivery, we provide quality, reliability and the highest degree of customer service.Our scope of service is organized/structured around the unique needs of each client.Our mission is establish long-term relationships with our clients b ...

Senzhuo Industry Co.,Ltd

Senzhuo Industry Co., Ltd. (“Senzhuo”) established in 2009, is a key chemical manufacturer and supplier in China. We are engaged in supply high quality pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. We also customize high value-added chemicals and intermediates for the customer. Senzhuo industy Co.,Ltd factory located in both Zhangqiu industrial zone and Jiangshu industrial zone. Sales office in Jinan city ...
Country: P.R.China
Phone: +86-15165036020
Telefax: +86-88902568

Unilong Industry Co.,Ltd

Company type: Bulk chemical producer
Unilong Industry Co.,Ltd. is a growing high-tech chemical enterprise, and located in chemical industrial park of Shandong province. Now Unilong company already is a world leading professional manufacturer and distributor for fine chemicals materials. With the development of society, more and more people pay more attention to environmental health.In recent years, we are engaging to expand new materials field and also set up a researching team, particularly for the fields o ...
Country: P.R.China   Phone: +86-15668417750   Telefax: +86-531-55690079

Xi'an Taicheng Chem Co., Ltd

Company type: Producer
Country: P.R.China
Phone: +86-29-85439295
Telefax: +86-29-85439295
Xi'an Taicheng Chemco, Ltd is a international company specialized in R&D, Production and Sales in Pharmacetical raw material, nutritional, cosmetic and biochemical products. Additionally Sodium fumarate is supplied by us. Founded in 2006, with rapidly development, now we have one herb extracts plant, one chemical plant (synthetci products) and a lab.

Simagchem Corporation

Your partner in China for chemicals business. Expertize in supplies and sources of fine, specialty, pharmaceutical chemicals and intermediates. WE offer high quality products and JIT services with instant market intelligence in China, custom synthesis in our 3 production sites, famous principals as Brenntag, Univar,S inopec, Grace, Petrobras, DKSH, Formitex, Evonik, Merck, TCI, Sanofi, Chemo with creditable reputation and business cooperation. We are supplier of Hexafluorozirconic acid.
Company type: Bulk chemical producer
Country: P.R.China
Phone: +86 592 2680 277
Telefax: +86 592 2680 237

FUDAW INDUSTRY LTD

FUDAW is a leading manufacturer of biological chemicals.Established in 2000,We currently produce more than 300 products,which are widely used in chemical industry,R&D,agriculture, animal nutrition, human health care, sports fitness and beauty products.We have more than 500 customers around the world. FUDAW INDUSTRY LTD is a seller of Cholecalciferol. In order to better serve our customers, we have branches and warehouses in the world's major economic centers and ports. We focus on innovation and develop more than 20 products ...
Country: P.R.China   Phone: +86 15601609726  

Xiamen Hisunny Chemical Co., Ltd.

Company type: Leading producer
Country: P.R.China
Phone: +86-592-3327115
Telefax: +86-592-5823596
Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop producing and selling high quality intermediates, Fine chemicals and Specialty Chemicals. Xiamen Hisunny Chemical Co., Ltd. also offers 3,3-Dimethylacrylic acid ethyl ester. We could give you: 1.Best quality in your requirement 2.Competitive price in China market 3.mature Technical support 4.Professional logistic support All we want is win-win business. Send yr. inquiries, you will get it!

Sancai Industry Co.,Ltd.

Sancai Industry is involved in supplying of fine chemicals, food and nutrition,personal care, medical intermediate etc, We can also customize chemicals for our customers.Taking advantage of innovative technology and excellent talents and through over 15 years of development,We have stabled good relation with clients in and abroad. In order to be competitive on the market. We have established the global marketing network, independent research center, testing center, and key ...
Company type: Leading producer
Country: P.R.China
Phone: +86-531-88913079
Telefax: +86-531-88913079

H&Z Industry Co.,Ltd

H&Z Industry Co.,Ltd is a large reliable and professional manufacturer of chemical materials and pharmaceutical intermediate. With about 10 years experiences in this field, now we are a capable provider of customized product, and we can provide gram level to ton level of products. What we can give to customers: thoughtful services, high-quality products, competitive price, Looking forward building long-term cooperative relationships with our business partners. 16-Dehydro Pregnenolone Acetate will be also provided by us.
Country: P.R.China   Phone: +86 13583185792   Telefax: +86 531 88905468

Shandong Minglang Chemical Co., Ltd

Company type: Producer
Country: P.R.China
Phone: +86-13220566916
Telefax: +86 531 58990167
Minglang Chemical is owned by Minglang Group,is a large manufacturer of fine chemicals and cosmetic materials that integrates R&D,production and sales together.It is located in the east of the Nanwang Economic Development District in Linzi,and the west of it is Qilu Petroleum Chemical Group,the east of it is Zijiang Road and the transportation is convenient.The enterprise covers an area of 9,000 square meters and the building area can be 3,200 square meters. 2-Methylsulfonyl 4,6-dimethoxypyrimidine is also served by Shandong Minglang Chemical Co., Ltd. In recent years,t ...

Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)

Hangzhou Meite Industry Co., Ltd. is an international high-tech enterprise founded in 1998, specialized in R&D and manufacture on intermediates, medicines, agrochemical, dyestuff, flavor, fragrance, cosmetic, natural extracts series products. We have an efficient R&D centre, get a strong technical support from Zhejiang University of Technology and Institute of Chemistry, Wuhan Branch, Chinese Academy of Sciences. We sell 3-Bromo-4-(trifluoromethoxy)aniline as well. Our factory Hangzhou Meite Chemical Co.,Ltd. is located in Fi ...
Company type: Producer
Country: P.R.China
Phone: +86 571 88026825
Telefax: +86 571 88282557

Hangzhou Zhongqi Chem Co., Ltd

Company type: Leading producer
Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Additionally 2-(Ethoxycarbonyl)vinylboronic acid pinacol ester is supplied by us. Our advantage : 1.We do not simply provide chemicals , we provide chemical solutions and expertise; 2.We have trained, highly effective team to solve the problem at the first time; 3.Our QMS (quality management system) ensures the product quality strictly; 4.Strong research and deve ...
Country: P.R.China   Phone: +86-571-86976032   Telefax: +86-571-86972162

Lori Industry Co., Ltd

Company type: Bulk chemical producer
Country: P.R.China
Phone: +86-13011713125
Telefax: +86-13011713125
Lori industry Co., Ltd was established in 2002 years. It is a large-scale manufacturer integrating R&D, produce and sales. Our products mainly cover fine chemicals, organic intermediates, biological buffers, agricultural fertilizers and other chemicals . Among them, the sales proportion of organic chemicals and agricultural fertilizers is at the forefront of the domestic market. tris-(2-Carboxyethyl)phosphine hydrochloride is also served by Lori Industry Co., Ltd. From 2013 to 2022 years, through cooperation with foreign trade companies, customers visitation, ...

Dayang Chem (Hangzhou) Co.,Ltd.

Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. L-Menthyl acrylate is also served by Dayang Chem (Hangzhou) Co.,Ltd.. We have an own factory and share enterprises. We act also as agent of many chemical factories and promote their products to the international market at very competitive price. We take "Credi first, Clients supreme" as our aim. We expect to cooperate with more partners in ...
Company type: Leading producer
Country: P.R.China
Phone: +86-571-88938639
Telefax: +86-571-8893-8652

Nantong Xindao Biotech Ltd

Company type: Leading producer
XINDAO is a world leading biochemical company formed by a professional team.The company specializes in the production, development and sales of animal health, crop science, nutrition and health care, skin care raw materials, fine chemicals and other products. At present, more than 300 kinds of products can be mass produced, which are widely used in chemical industry, health, agriculture, animal husbandry, biochemical research and other high-end fields. XINDAO pays attention ...
Country: P.R.China   Phone: +86 19033786557  

Shandong SanYoung Industry Co., Ltd

Country: P.R.China
Phone: +86 155-64526813
Telefax: +86 531-56897532
Shandong SanYoung Industry Co., Ltd is a scientific and technological company specializing in research and development, cooperative production and sales of chemical products. We supply our chemical product 3-Nitrophthalimide. The company's main products include: photoinitiator; light stabilizer; polymer retardant; ultraviolet absorbent; fine chemical products and pharmaceutical intermediates, we can also customize chemicals for our customers. Our company has a large number of customers with good reputation at home and abroad, ...

Xingrui Industry Co., Limited

Xingrui Industry CO., LTD. is a professional manufacturing enterprise integrating R&D, production and sales. The products involved fine chemicals, pharmaceutical intermediates, dye intermediates, cosmetic raw materials and so on. The company is ranked among the outstanding producers in the fine chemical industry. We are supplier of 2-Amino-6-methyl-3-nitropyridine. Xingrui Industry always strive to be the most reliable partner of our customers, and strive to build a customer-trusted, socially respected, world-class fine chemi ...
Company type: Leading producer
Country: P.R.China
Phone: +86-531-88980365
Telefax: +86-531-88980365

Xiamen Equation Chemical Co.,Ltd

Company type: Bulk chemical producer
Welcome to Equation chemical, your reliable partner in China as an important supplier of bulk specialty chemicals for industry & life science. Xiamen Equation Chemical Co.,Ltd also offers Bimatoprost. We are committed to provide experienced high quality product and JIT performance to benefit our customers.
Country: P.R.China   Phone: +86 592 6515854   Telefax: +86 592 6515854

AK Scientific, Inc.

Company type: Supplier
Country: USA
Phone: +1 (510) 429-8835
Telefax: +1 (510) 429-8836
AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. We sell 5-Amino-4-chloro-3-methylisoxazole as well. All these products are stocked in multiple, convenient, sizes to fit your specific needs. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery. AK Scientific products can be searched by Name (or ...

Skyrun Industrial Co., Ltd.

Skyrun Industrial Co.Limited, established in 2003, a state-controlled company (By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing raw pharmaceutical material and intermediates. We have expanded a compositive entity from initially only as a small manufacturer. We are seller of 1,1'-bis-(Diphenylphosphino)ferrocene. We have extensive knowledge of domestic and international pharmaceutical markets. Our working range can be start from small amount in research stage to big bulk for industrial produc ...
Company type: Leading producer
Country: P.R.China
Phone: +86-576-84015261
Telefax: +86-576-84015261

Leap Chem Co., Ltd

Company type: Bulk and laboratory supplier
LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. 7-[4-[4-(2,3-Dichlorophenyl)-1-piperazinyl]butoxy]-2(1H)-quinolinone will be also provided by us. Our client list includes many major pharmac ...
Country: P.R.China   Phone: +852-30606658  

BIOZOL Diagnostica Vertrieb GmbH

Company type: Supplier of chemical products
Country: Germany
Phone: +49-871-966346-0
Telefax: +49-871-966346-13
Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, is a leading supplier of ready to use solutions for the lab and chemical industry. BIOZOL Diagnostica Vertrieb GmbH is a seller of 4-Methoxycinnamic acid ethyl ester. We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. We are supplying and producing lab quantities from tiny qua ...

BuGuCh & Partners

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...
Company type: Producer
Country: Germany

Safety Information

Hazard Classes:
Risk Codes:
22-36/37/38-20/21/22 (R)
Safety Codes:
36-37/39-26 (S)
WGK Germany:
3
RTECS:
HA1600000
Storage temperature:
Store at RT.

What other providers are available for CAS 52-90-4?

In addition to the providers presented here for L-Cysteine with the CAS number 52-90-4, there are other 46 providers with slightly different product names available for this CAS number.

+4 additional providers that we know from the past
+2 additional providers that we know from the past
Zehao Industry Co., Ltd. | Hangzhou Lingrui Chemical Co., Ltd. +2 additional providers that we know from the past
+1 additional providers that we know from the past
Purestar Chem Enterprise Co., Ltd. | Nantong Xindao Biotech Ltd +20 additional providers that we know from the past
+2 additional providers that we know from the past
+2 additional providers that we know from the past
+2 additional providers that we know from the past
+1 additional providers that we know from the past
+1 additional providers that we know from the past
BLD Pharmatech Ltd +1 additional providers that we know from the past
Carbone Scientific Co., Ltd. +1 additional providers that we know from the past
+1 additional providers that we know from the past




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