China DL-Cysteine Suppliers, China DL-Cysteine Manufacturers.

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Shanghai Rich Chemical Co.,Ltd
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DL-Cysteine

Details for DL-Cysteine

DL-Cysteine

Category:

Pharmaceuticals and Biochemicals/Vitamin, amino acids and coenzymes

DL-Cysteine
CAS NO: 3374-22-9
EC NO: 222-160-2
Molecular Formula: C3H7NO2S
Molecular Weight: 121.1582
Specification: 98%
InChI: InChI=1/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
Packing: 25kg drum
Product description:
Specification Appearance White crystals or crystalline powder Specific Rotation[α]D20 -1° to +1° State of solution Clear and colorless Not less than 95.0% Chloride (Cl) Not more than 0.10% Iron (Fe)Not more than 5ppm Heavy Metals (Pb)Not more than 10ppm Aresenic (As2O3)Not more than 1ppm Other amino aicdsChromatographically not detectable Loss on dryingNot more than 0.2% Residue on ignition Not more than 0.1% Assay 98.0% to 102.0%
Synonyms: DL-2-Amino-3-mercaptopropionic acid;2-Amino-3-mercaptopropionic acid;Cystein;Cysteine;Thioserine;2-Amino-3-mercaptopropanoic acid;
Molecular Structure: DL-Cysteine 3374-22-9
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