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Captopril

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Molecular Formula: C9H15NO3S

Molecular Weight: 217.3

CAS No.: 62571-86-2

Namecaptopril
Synonymscaptopril
Captopril API
Captopril (200 mg)
Captopril Cardiovascular
1-(2-methyl-3-sulfanylpropanoyl)proline
1-[(S)-3-Mercapto-2-methylpropionyl]-L-proline
(2s)-1-(3-mercapto-2-methylpropionyl)-l-proline
(s,s)-1-(d-3-mercapto-2-methyl-1-oxopropyl)-l-proline
Captopril,N-[(S)-3-Mercapto-2-methylpropionyl]-L-proline
(2S)-1-[(2S)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylate
3-Mercapto-2-Methylpropanoic acid 1,2-diphenylethylaMine salt (MMPA)
(2S)-1-[(2S)-3-Mercapto-2-methylpropionyl]-2-pyrrolidinecarboxylic acid
(S)-(-)-1-(3-Mercapto-2-methyl-1-oxopropyl)-L-proline(S)-(-)-1-(3-Mercapto-2-methylpropionyl)-L-proline
CAS62571-86-2
EINECS263-607-1
InChIInChI=1/C9H15NO3S/c1-6(5-14)8(11)10-4-2-3-7(10)9(12)13/h6-7,14H,2-5H2,1H3,(H,12,13)/p-1/t6-,7+/m1/s1

​Physico-chemical Properties

Molecular FormulaC9H15NO3S
Molar Mass217.29
Density1.2447 (rough estimate)
Melting Point104-108 °C (lit.)
Boling Point427.0±40.0 °C(Predicted)
Specific Rotation(α)-129.5 º (c=1, EtOH)
Flash Point212.068°C
Water Solubilitysoluble
SolubilitySoluble in methanol, ethanol, acetone, dichloromethane or chloroform, soluble in water, insoluble in ether or hexane.
Vapor Presure0mmHg at 25°C
AppearanceWhite or white-like crystalline powder
Colorwhite to off-white
Merck14,1774
BRN477887
pKa3.7, 9.8(at 25℃)
Storage Conditionroom temp
StabilityStable. Incompatible with strong oxidizing agents.
SensitiveSensitive to air
Refractive Index-127.5 ° (C=1.7, EtO
MDLMFCD00168073
Physical and Chemical PropertiesMelting point 103-108°C
specific optical rotation -129.5 ° (c = 1, EtOH)
water-soluble solution
UseFor the treatment of hypertension and heart failure

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