cas 62571-86-2 Captopril Captopril cas 62571-86-2
Captopril, cas 62571-86-2
Purity: 99%
white crystalline powder
MF: C9H14NO3S
USP standard
Captopril, cas 62571-86-2
COA:
ITEMS
|
SPECIFICATION
|
Appearance
|
White to off-white crystalline powder
|
Identification
|
Meets the requirements
|
Melting Point
|
104.0 ~ 110.0
|
Specific Rotation
|
-125°~ -134°
|
Loss on Drying
|
≤1.0%
|
Residue on Ignition
|
≤0.2%
|
Heavy Metals
|
≤0.003%
|
Related Substances
|
|
Captopril Disulfide
|
≤1.0%
|
Single Impurity
|
≤0.2%
|
Total Impurities
|
≤0.5%
|
Organic Volatile Impurities
|
Meets the requirements
|
Assay (on dried basis)
|
97.5 ~ 102.0%
|
1:Quality Level: meet USP30
2:Content: not less than 99.0%
3:MF:C9H15NO3S
4:MW:217.29
5:CAS No.: 62571-86-2
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 |
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