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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 29 international and reliable suppliers for L-Cysteine. They are coming from 4 countries around the world. These vendors belong to 29 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 29 notable providers have been checked and can be recommended.
Chemical-Suppliers
Wuhan PharmChem LTD.
EINECS: 200-158-2 Molecular formula: C3H7NO2S
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
>>more
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
    >>more
    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 2025/09/17.

    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 Magnesium hydrogen phosphate 3-hydrate 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

    Wuhan PharmChem Co., LTD.

    Company type: Import & export company
    Wuhan PharmChem CO., LTD. 2-Aminoadenosine is also served by Wuhan PharmChem Co., LTD.. has been a premier chemical supplier distributing high-quality chemicals to businesses in various industries for the whole world. 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 ...
    Country: P.R.China   Phone: +86 27 85835203   Telefax: +86 27 85835203

    Senzhuo Industry Co.,Ltd

    Country: P.R.China
    Phone: +86-15165036020
    Telefax: +86-88902568
    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 ...

    Xi'an Taicheng Chem Co., Ltd

    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. Xi'an Taicheng Chem Co., Ltd also offers Sodium fumarate. Founded in 2006, with rapidly development, now we have one herb extracts plant, one chemical plant (synthetci products) and a lab.
    Company type: Producer
    Country: P.R.China
    Phone: +86-29-85439295
    Telefax: +86-29-85439295

    Simagchem Corporation

    Company type: Bulk chemical producer
    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. Simagchem Corporation is a seller of Hexafluorozirconic acid.
    Country: P.R.China   Phone: +86 592 2680 277   Telefax: +86 592 2680 237

    FUDAW INDUSTRY LTD

    Country: P.R.China
    Phone: +86 15601609726
    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. Additionally Cholecalciferol is supplied by us. 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 ...

    Unilong Industry Co.,Ltd

    Company type: Bulk chemical producer
    Country: P.R.China
    Phone: +86-15668417750
    Telefax: +86-531-55690079

    Xiamen Hisunny Chemical Co., Ltd.

    Company type: Leading producer
    Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. 3,3-Dimethylacrylic acid ethyl ester will be also provided by us. We develop producing and selling high quality intermediates, Fine chemicals and Specialty Chemicals. 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!
    Country: P.R.China   Phone: +86-592-3327115   Telefax: +86-592-5823596

    Sancai Industry Co.,Ltd.

    Company type: Leading producer
    Country: P.R.China
    Phone: +86-531-88913079
    Telefax: +86-531-88913079
    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 ...

    Shandong Minglang Chemical Co., Ltd

    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. We provide 2-Methylsulfonyl 4,6-dimethoxypyrimidine as well. In recent years,t ...
    Company type: Producer
    Country: P.R.China
    Phone: +86-13220566916
    Telefax: +86 531 58990167

    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

    Xingrui Industry Co., Limited

    Company type: Leading producer
    Country: P.R.China
    Phone: +86-531-88980365
    Telefax: +86-531-88980365
    Xingrui Industry CO., LTD. 2-Amino-6-methyl-3-nitropyridine will be also provided by us. 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. 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 ...

    Lori Industry Co., Ltd

    Lori industry Co., Ltd was established in 2002 years. It is a large-scale manufacturer integrating R&D, produce and sales. We provide tris-(2-Carboxyethyl)phosphine hydrochloride as well. 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. From 2013 to 2022 years, through cooperation with foreign trade companies, customers visitation, ...
    Company type: Bulk chemical producer
    Country: P.R.China
    Phone: +86-13011713125
    Telefax: +86-13011713125

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

    Company type: Producer
    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. 3-Bromo-4-(trifluoromethoxy)aniline will be also provided by us. 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. Our factory Hangzhou Meite Chemical Co.,Ltd. is located in Fi ...
    Country: P.R.China   Phone: +86 571 88026825   Telefax: +86 571 88282557

    Hangzhou Zhongqi Chem Co., Ltd

    Company type: Leading producer
    Country: P.R.China
    Phone: +86-571-86976032
    Telefax: +86-571-86972162
    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. We provide 2-(Ethoxycarbonyl)vinylboronic acid pinacol ester as well. 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 ...

    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, ...

    Xiamen Equation Chemical Co.,Ltd

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

    AK Scientific, Inc.

    Company type: Supplier
    AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. We are seller of 5-Amino-4-chloro-3-methylisoxazole. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. 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 ...
    Country: USA   Phone: +1 (510) 429-8835   Telefax: +1 (510) 429-8836

    Skyrun Industrial Co., Ltd.

    Company type: Leading producer
    Country: P.R.China
    Phone: +86-576-84015261
    Telefax: +86-576-84015261
    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 are supplier of 1,1'-bis-(Diphenylphosphino)ferrocene. We have expanded a compositive entity from initially only as a small manufacturer. 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 ...

    Leap Chem Co., Ltd

    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. We sell 7-[4-[4-(2,3-Dichlorophenyl)-1-piperazinyl]butoxy]-2(1H)-quinolinone as well. 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. Our client list includes many major pharmac ...
    Company type: Bulk and laboratory supplier
    Country: P.R.China
    Phone: +852-30606658

    BIOZOL Diagnostica Vertrieb GmbH

    Company type: Supplier of chemical products
    Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, is a leading supplier of ready to use solutions for the lab and chemical industry. 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 provide 4-Methoxycinnamic acid ethyl ester as well. We are supplying and producing lab quantities from tiny qua ...
    Country: Germany   Phone: +49-871-966346-0   Telefax: +49-871-966346-13

    BuGuCh & Partners

    Company type: Producer
    Country: Germany
    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 ...

    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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