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1091221

USP

Captopril disulfide

United States Pharmacopeia (USP) Reference Standard

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Synonym(s):
1,1′-[Dithiobis[(2S)-2-methyl-1-oxo-3,1-propanediyl]]bis-L-proline
Empirical Formula (Hill Notation):
C18H28N2O6S2
CAS Number:
64806-05-9
Molecular Weight:
432.55
UNSPSC Code:
41116107
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

captopril

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

InChI

1S/C18H28N2O6S2/c1-11(15(21)19-7-3-5-13(19)17(23)24)9-27-28-10-12(2)16(22)20-8-4-6-14(20)18(25)26/h11-14H,3-10H2,1-2H3,(H,23,24)(H,25,26)/t11-,12?,13+,14+/m1/s1

InChI key

ZWKRXBCJAUKDCI-KRCVMZOZSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Captopril disulfide USP reference standard suitable for use in specified USP compendial tests and assays.

Also used to prepare standard, system suitability stock, and system suitability solution for assay and impurity analysis according to the given below monographs of United States Pharmacopeia (USP):
  • Captopril Tablets
  • Captopril
  • Captopril and Hydrochlorothiazide Tablets

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

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1091200

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Captopril, Pharmaceutical Secondary Standard; Certified Reference Material

C0430000

Captopril, European Pharmacopoeia (EP) Reference Standard

Y0000435

Captopril impurity E, European Pharmacopoeia (EP) Reference Standard

Y0001182

Captopril for system suitability, European Pharmacopoeia (EP) Reference Standard

Y0001221

Captopril impurity D, European Pharmacopoeia (EP) Reference Standard

Y0001219

Captopril impurity B, European Pharmacopoeia (EP) Reference Standard

Y0001220

Captopril impurity C, European Pharmacopoeia (EP) Reference Standard

Y0001450

Captopril impurity J, European Pharmacopoeia (EP) Reference Standard

BP538

Captopril, British Pharmacopoeia (BP) Reference Standard

BP500

Captopril disulfide, British Pharmacopoeia (BP) Reference Standard

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Degradation of captopril in solutions compounded from tablets and standard powder.
D S Chan et al.
American journal of hospital pharmacy, 51(9), 1205-1207 (1994-05-01)
Waleed M M Mahmoud et al.
Chemosphere, 88(10), 1170-1177 (2012-04-27)
In some countries effluents from hospitals and households are directly emitted into open ditches without any further treatment and with very little dilution. Under such circumstances photo- and biodegradation in the environment can occur. However, these processes do not necessarily
Captopril and HydrochlorothiazideTablets
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 43(4), 737-737 (2019)
Takashi Nishikawa et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 20(10), 1395-1398 (2004-11-05)
Peculiarly shaped chromatograms of some compounds that consist of two reversible isomers have been reported. Those of a compound that consists of three reversible isomers are described here. Because disulfide of captopril has two cis-trans convertible bonds, it exists in
O H Drummer et al.
European journal of clinical pharmacology, 32(3), 267-271 (1987-01-01)
We have measured the plasma concentrations of captopril and total disulfide conjugates of captopril after a 50 mg oral dose in 6 uraemic patients on maintenance dialysis and in 8 hypertensive subjects with normal renal function. The mean peak plasma
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