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CAS NO.62571-86-2
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 |
|