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L-Cystine

BGC Id:790977295870
CAS No:56-89-3
Synonyms:1-cystine ; l-cystine ; nsc 13203 ; cystin ; nphs1 ; h-(cys) ; (cys)2 ; nephrin ; l-cystin ; nphn
Molecular Formula:C6H12N2O4S2
Molecular Weight:240.3
EINECS:200-296-3
Structural Formula
Listed are 25 international and reliable suppliers for L-Cystine. They are coming from 4 countries around the world. These vendors belong to 25 different business types like 'Bulk chemical producer' and 'Leading producer'
Please contact all the below listed distributors/manufacturers for L-Cystine 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-Cystine worldwide

The most competitive supplier in 2026

The following 25 notable providers have been checked and can be recommended.
Chemical-Suppliers
Wuhan PharmChem LTD.
Molecular formula :C6H12N2O4S2
Chemical-Suppliers
Senzhuo Industry
Purity : 99,0%
Chemical-Suppliers
Xiamen Hisunny Chemical
Molecular Formula : C6H12N2O4S2
Chemical-Suppliers
Sancai Industry
Description White crystals or crystalline powder Iron( Fe) ≤ 20ppm Heavy Mental(Pb) ≤ 10ppm Arsenic(As203) ≤ 1ppm Other Amino Acids Conforms Loss on drying ≤ 0.20% Residue on ignition(sulfated) ≤ 0.10% Assay 98.5%-101.0%
Chemical-Suppliers
H&Z Industry
Appearance White crystal powder Specific rotation -215.0°to -225.0° Transmittance ≥ 98% Loss on drying ≤ 0.20% Residue on ignition ≤ 0.10% Chloride ≤ 0.04% Sulfate(SO4) ≤ 0.02% Iron(Fe) ≤ 10ppm Arsenic ≤ 1.5ppm Heavy metal(Pb) ≤ 10ppm Organic Volatile Impurities Meet the requirement PH 5.0-6.5 Chromatographic Purity Meet the requirement Assay 98.5%-101.0%%

Chemical-Suppliers
Lori Industry
MF: C6H12N2O4S2 MW: 240.3 EINECS: 200-296-3 Uses: L-Cystine is a non-essential amino acid for human development. L-Cystine is formed by the dimerization of two cysteines through the sulfur.
Chemical-Suppliers
Molekula
Molecular Weight : 240.3 Formula : [-SCH2CH(NH2)CO2H]2 HS Code : 2930901300 Categories : Amino Acids
Chemical-Suppliers
Iris Biotech
Mol Weight (Unit) : 240,29 g/mol Formula : C6H12N2O4S2
Chemical-Suppliers
Leap Chem
Molecular Formula: C6H12N2O4S2 Molecular Weight: 240.3 Hazard Symbols: Xi,Xn UN Number: 2811 WGKGermany: 3 PackingGroup: III HS Code: 29309014

The last intensive check and update was carried out on 2026/08/19.

Identify

Synonyms:
1-cystine ; l-cystine ; nsc 13203 ; cystin ; nphs1 ; h-(cys) ; (cys)2 ; nephrin ; l-cystin ; nphn
CAS:
56-89-3
EINECS:
200-296-3
Molecular Formula:
C6H12N2O4S2
MDL:
MFCD00064228
SMILES:
OCc1cccc(c1[N+](=O)[O-])C

Properties

Molecular Weight:
240.3 g·mol−1
Density:
1.68
Melting point:
>240 °C (dec.)(lit.)
Solubility:
1 M HCl: 100 mg/mL
download Download Molfile

Suppliers

B.M.P. Bulk Medicines & Pharmaceuticals GmbH

Company type: Bulk med & pharma supplier
B.M.P. 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. We are seller of D-(+)-Glucosamine hydrochloride. 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 ...
Country: Germany   Phone: +49-40-645568-0   Telefax: +49-40-645568-85

Beckmann-Kenko GmbH

Company type: Internat. trading company
Country: Germany
Phone: +49 4241 9308-0
Telefax: +49 4241 9308-30
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. We provide Antioxidant-1010 as well. 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 ...

AXO Industry SA

Distributor of pharmaceutical, nutraceutical, cosmetic and food raw materials. The raw material in bulk or in tailor-made packings.
Country: Belgium
Phone: +32 10 24 67 28
Telefax: +32 10 24 59 12

Purestar Chem Enterprise Co., Ltd.

Company type: Supplier
Purestar Chem Enterprise Co., Ltd. (also known as Huzhou Purestar Biochem Co., Ltd.) is a professional supplier of high-quality botanical extracts and ingredients for the dietary supplement, functional food, and nutrition industries. Purestar Chem Enterprise Co., Ltd. also offers Calcium propionate. Located in Huzhou, Zhejiang Province, China, we have been serving customers worldwide since 2005. Our product portfolio focuses on plant extracts, mushroom extracts, nutritional ingredients, natural active compounds, amino acids, vitamins, and o ...
Country: P.R.China   Phone: +86-572-2157374   Telefax: +86-572-2146389

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. Additionally Dehydroepiandrosterone is supplied by us. 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

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 also offers 3-(Trifluoromethyl)phenylboronic acid.
Country: P.R.China   Phone: +86 592 2680 277   Telefax: +86 592 2680 237

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. 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

Shandong Lanhai Industry Co.,Ltd.

Company type: Producer
Shandong Lanhai Industry Co., Ltd established in 2015. The headquartered located in the beautiful Spring city Jinan. Lufenuron is also served by Shandong Lanhai Industry Co.,Ltd.. The company's factory is located in Coal Chemical Industrial Park, Juye County, Heze City Shandong province.Lanhai Industry is a high-tech enterprise in Shandong Province. The company integrates science, industry and trade, specializing in the research, development, production and operation of fluorosilicone products, OLED intermediates and agricultural fertili ...
Country: P.R.China   Phone: +86-15953182965  

H&Z Industry Co.,Ltd

Country: P.R.China
Phone: +86 13583185792
Telefax: +86 531 88905468
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. We provide Ammonium benzoate as well.

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. 2,4-Difluoro-3,5-dichloroaniline will be also provided by us. In recent years,t ...
Company type: Producer
Country: P.R.China
Phone: +86-13220566916
Telefax: +86 531 58990167

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. 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. Additionally 3-Amino-5-methylisoxazole is supplied by us. Our factory Hangzhou Meite Chemical Co.,Ltd. is located in Fi ...
Country: P.R.China   Phone: +86 571 88026825   Telefax: +86 571 88282557

Zehao Industry Co., Ltd.

Country: P.R.China
Phone: +86-531-88909322
Telefax: +86-531-88909322
The Shepherd Chemical Company was founded in Norwood, Ohio, in 1916. We are a fourth-generation company and a custom manufacturer of Inorganic Metal Salts and Organic Metal Compounds to the global marketplace. Our long-standing success is built upon technical expertise, supplier reliability, and customer relationships. Our goal is to supply the marketplace with high quality metal compounds as standard or customized products. Zehao Industry Co., Ltd. also offers Glycidyl phenyl ether. Our capabilities are comprised of our manufacturi ...

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. 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. EDTA Co will be also provided by us. 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

Finetech Industry Limited

Company type: Producer
Finetech Industry Limited is a company in England,which specializing in developing, manufacturing and marketing fine organic compounds and intermediates for the pharmaceutical industry. We provide Puromycin as well. Most of our products were exported to the North America, Europe and Oceania. Our factory is in China,we supply Fluorochemicals, Pyrimidines, Pyridines, Amines, Nitriles, Carboxylic Acids or Ester, Phenols or Alcohols, Aldehydes, Piperidines, Piperazines, Pyrazines, Boric Acids, Amino Acids, ...
Country: P.R.China   Phone: +86-27-8746 5837   Telefax: +86-27-8777 2287

Hangzhou Lingrui Chemical Co., Ltd.

Company type: Producer
Country: P.R.China
Phone: +86-571-88092529
Telefax: +86-571-87334908
Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. In our R&D centre, we have a staff of skilled and experienced research chemists. This has enabled us to meet the special requirements of our customers and it has enabled us to provide quality products at competitive prices. Hangzhou Lingrui Chemical Co., Ltd. is a seller of 4-Chloro-2-hydroxybenzaldehyde. Lingrui’s credo is committed to your reliable business partne ...

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. Sodium methacrylate will be also provided by us. 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 ...
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. We are committed to provide experienced high quality product and JIT performance to benefit our customers. We provide 2,3-Dichlorobenzyl chloride as well.
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. We supply our chemical product Ethyl 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate. 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 ...

Molekula GmbH

Molekula supplies speciality chemicals and biochemicals to the fine chemical, research and diagnostic community. Our core competence is in the area of heterocycles for combinatorial chemistry, small building blocks for discovery and large scale synthesis for pilot teams and production. In the field of biochemicals, Molekula is a major supplier of key reabents used in the area of diagnostics, microbiology and biotechnology.
Company type: Trading company
Country: Germany
Phone: +49 (0) 89 360 900 900
Telefax: +49 (0) 89 360 900 901

Iris Biotech GmbH

Company type: Supplier
IRIS Biotech is specialized in reagents for Peptide Synthesis, PEGylation, Life Science Research and Biocatalysis. We supply our chemical product Boc-1,2-ACHC-OH (1S,2R). We have specific know-how and production capabilities to manufacture and supply products from the following areas from Grams to Multi-Ton Lots: Starting Materials for Peptide Synthesis, Peptidomimetic and Medicinal Chemistry Protected Amino Acids, Coupling Reagents, Linkers and Resins, Natural and Unusual Amino Acids and Building Blocks used in Peptide Synthe ...
Country: Germany   Phone: +49-(0)9231-97121-0   Telefax: +49-(0)9231-97121-99

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 have expanded a compositive entity from initially only as a small manufacturer. We have extensive knowledge of domestic and international pharmaceutical markets. Additionally Nolatrexed dihydrochloride is supplied by us. 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. Leap Chem Co., Ltd is a seller of Prenalterol. 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. Our client list includes many major pharmac ...
Company type: Bulk and laboratory supplier
Country: P.R.China
Phone: +852-30606658

BuGuCh & Partners

Company type: Producer
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 ...
Country: Germany  

Safety Information

Hazard Classes:
Risk Codes:
36/37/38-22 (R)
Safety Codes:
26-36-24/25 (S)
WGK Germany:
3
RID / ADR:
2811
RTECS:
HA2690000
Storage temperature:
Store at RT.

What other providers are available for CAS 56-89-3?

In addition to the providers presented here for L-Cystine with the CAS number 56-89-3, there are other 34 providers with slightly different product names available for this CAS number.

+7 additional providers that we know from the past
Iris Biotech GmbH
Dayang Chem (Hangzhou) Co.,Ltd. | BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +9 additional providers that we know from the past
+3 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
+2 additional providers that we know from the past
+1 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




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