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L-Cysteine hydrochloride monohydrate CAS No.: 74-79-3
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| Post Date: | May 29,2013 |
| Expiry Date: | May 29,2014 |
| Detailed Description: |
Cas No. :74-79-3
Quantity: 20Metric Tons Specs:99.0% to 100.5% Payment Method: TT/LC L-Cysteine hydrochloride monohydrate CAS No.: 74-79-3 Cosmetic addtive Food Grade Amino Acids L-Cysteine HCL Mono USP24 Full name: L-Cysteine hydrochloride monohydrate CAS No.: 74-79-3 Molecule Formula: C3H8ClNO2S.H2O Molecule Weight: 175.64 Structure Formula: Properties: white crystal or crystalline powder, sour taste, soluble in water and ethanol. Applications: 1. soluble in water, can be quickly absorbed by the body if it is made into injection or tablet .It is the main raw material of carboxymethyl cysteine and acetyl cysteine production.2. Clinically to treat neutropenia, and leukopenia caused by the use of anticancer drugs and radioactivedrugs, as well as being as a heavy metal poisoning antidote. In addition, for the treatment of toxic hepatitis,thrombocytopenia, skin ulcers, and prevention of liver necrosis, the treatment of bronchitis and phlegm, detoxification of acrylonitrile and aromatic poisoning, the prevention of radiation injury. 3.Bread improvers: to promote fermentation, to prevent oxidation in food industry. As bread quick accelerator, to change the flavor of the bread and other food.4. In cosmetic industry: can be used in perm fine, sunscreen, germinal perfume and hair conditioning agent.5. Nutritional supplements, antioxidants, color fixative: for natural fruit juices to prevent vitamin C oxidationand and discoloration. Specifications: Item Specification (USP24) Results Specific rotation +5.7° to +6.8° +5.9° Sulfate(SO4) Not more than 0.030% Not more than 0.020% Iron(Fe) Not more than 0.003% Not more than 0.002% Heavy metals(Pb) Not more than 0.0015% Not more than 0.0015% Loss on drying 8.0% to 12.0% 10.7% Residue on ignition (sulfated) Not more than 0.40% 0.1% Organic volatile impurities Meets the requirements Meets the requirements Assay 99.0% to 100.5% 99.7 % Chromatographic purity Not more than 0.5% of any individual impurity is found. not more than 2.0% of total Impurities is found Conforms Conclusion :compliant with the specification of USP24 |
| CAS Registry Number: | 74-79-3 |
| Synonyms: | ;(S)-2-Amino-5-guanidinopentanoic acid;H-Arg-OH;L-Arginine base;Arg;L-2-Amino-5-guanidinopentanoic acid;L(+)Arginine;L(+)-Arginine;(2S)-5-{[amino(iminio)methyl]amino}-2-ammoniopentanoate;Arginine;2-amino-5-guanidino-pentanoic acid;(S)-2-amino-5-guanidino-pentanoic acid; |
| Molecular Formula: | C6H14N4O2 |
| Molecular Weight: | 175.2084 |
| Molecular Structure: | 
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| Safety Description: | S24/25:; |
| Company: | Yuancheng Pharmaceutical Co., Ltd Hubei [ China ] |
| Contact: | Lupin |
| Tel: | +862768886724 |
| Fax: | +862788048077-899 |
| Email: | ycgsales02@ycphar.com |
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