USD $10.00-100.00 / Kilogram
USD $10.00-100.00 / Kilogram
USD $10.00-100.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $10.00-100.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $8.20-8.80 / Kilogram
USD $8.20-8.80 / Kilogram
captopril
product name: captopril
synonyms: (2s)-1-(3-mercapto-2-methylpropionyl)-l-proline; (s,s)-1-(d-3-mercapto-2-methyl-1-oxopropyl)-l-proline; 1-(2-methyl-3-sulfanylpropanoyl)proline; (2s)-1-[(2s)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylate
molecular formula: c9h14no3s
molecular weight: 216.2779
cas: 62571-86-2
einecs: 263-607-1
product name: captopril
synonyms: (2s)-1-(3-mercapto-2-methylpropionyl)-l-proline; (s,s)-1-(d-3-mercapto-2-methyl-1-oxopropyl)-l-proline; 1-(2-methyl-3-sulfanylpropanoyl)proline; (2s)-1-[(2s)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylate
molecular formula: c9h14no3s
molecular weight: 216.2779
cas: 62571-86-2
einecs: 263-607-1
specifications:
test items |
the standard |
the result |
description |
white or off-white crystalline powder |
white crystalline powder |
identification |
ir spectrum accordance with that of crs |
complies |
specific rotation |
125°-134° |
129.3° |
loss on drying |
not more than 1.0% |
0.05% |
residue on ignition |
not more than 0.2% |
0.08% |
heavy metals |
not more than 0.003% |
less than0.003% |
related substances
|
captopril disutide: not more than 1.0% |
0.16% |
single impurity: not more than 0.2% |
not detectable |
|
total impurity: not more than 0.5% |
0.16% |
|
organic volatile impurities |
meets the requirements |
complies |
assay(anhydrous) |
97.5%-102% |
99.2% |
conclusion |
complies with usp30 |