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O0151000

Omeprazole impurity D

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

Omeprazole sulfone, 5-Methoxy-2-{[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfonyl}-1H-benzimidazole, Omeprazole sulphone

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About This Item

Empirical Formula (Hill Notation):
C17H19N3O4S
CAS Number:
Molecular Weight:
361.42
Beilstein:
8347309
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

omeprazole

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

O=S(C1=NC2=CC(OC)=CC=C2N1)(CC3=NC=C(C)C(OC)=C3C)=O

InChI

1S/C17H19N3O4S/c1-10-8-18-15(11(2)16(10)24-4)9-25(21,22)17-19-13-6-5-12(23-3)7-14(13)20-17/h5-8H,9H2,1-4H3,(H,19,20)

InChI key

IXEQEYRTSRFZEO-UHFFFAOYSA-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

Omeprazole impurity D EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

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Pictograms

Exclamation markEnvironment

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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D S Yim et al.
Journal of chromatography. B, Biomedical sciences and applications, 754(2), 487-493 (2001-05-08)
A column-switching system based on semi-microcolumns was used for direct analysis of omeprazole and omeprazole sulfone in human plasma samples. Plasma samples were injected into a mixed-function (MF Ph-1) column (35 mmx4.6 mm I.D.) to remove proteins and other non-specific
U S Svensson et al.
Clinical pharmacology and therapeutics, 64(2), 160-167 (1998-09-05)
This study investigated whether time-dependent artemisinin pharmacokinetics correlated to CYP3A4 or CYP2C19 activity in vivo. Artemisinin (two oral doses per day of 250 mg) was given to nine healthy Vietnamese subjects for 7 days (day 1 to day 7). Single
Yanhua Zhang et al.
Journal of clinical pharmacology, 46(3), 345-352 (2006-02-24)
To determine the effects of sex and menstrual cycle phase on CYP3A activity and to characterize the intraindividual variability of CYP3A, 24 Caucasian adults were given a single dose of omeprazole every 14th day for 3 months (men) or during
Naser L Rezk et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 844(2), 314-321 (2006-08-22)
A simple, sensitive and specific reverse-phase high-performance liquid chromatography (HPLC) assay for the simultaneous quantitative determination of omeprazole and its three metabolites in human plasma was developed and validated. This method provides excellent chromatographic resolution and peak shape for the
G García-Encina et al.
Journal of pharmaceutical and biomedical analysis, 21(2), 371-382 (2000-03-07)
An automated system using on-line solid-phase extraction and HPLC with UV detection has been validated in order to determine omeprazole in human plasma. The extraction was carried out using C18 cartridges. After washing, omeprazole was eluted from the cartridge with

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