Product Name:D-Penicillamine

Synonyms:(S)-Penicillamin;3-mercapto-d-valin;3-Sulfanylvaline;alpha-amino-beta-methyl-betamercaptobutyricacid; Artamine;beta,beta-Dimethylcysteine;beta-mercaptovaline

CAS Number:52-67-5

Molecular Structure:C5H11NO2S

Molecular Weight:149.21

Appearance:White powder or white-crystalline powder

Identification A:Should be conformed

Identification B:Should be conformed

Identification C:Should be conformed

Specific rotation:Between-60.5℃ and -64.5℃

pH:Between 4.5 and 5.5

Loss on drying:NMT0.5%

Residue on ignition:NMT0.1%

Limit of Penicilin activity:Not more than .02 penicillin G Unit per g

Mercury:NMT0.002%

Limit of Penicillamine disulfide:NMT 1.0% of Penicillamine disulfiden is found

Organic solvent residue:Ethanol≤0.5%

Assay:C5H11NO2S:97.0% to 102.0%,calculated on the dried basis

Microbial limit:Should be conform the request

Reference price:USD470/kg for 100kg FOB Shanghai