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496100

Sigma-Aldrich

Omeprazole

A cell-permeable pyridyl methylsulfinyl benzimidazole compound that acts as selective proton pump inhibitor.

Synonyme(s) :

Omeprazole, H 168/68, 5-Methoxy-2[(4-methoxy-3,5-dimethyl-2-pyridyl)methylsulfinyl]-1H-benzimidazole

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About This Item

Formule empirique (notation de Hill):
C17H19N3O3S
Numéro CAS:
73590-58-6
Poids moléculaire :
345.42
Numéro MDL:
MFCD00083192
Code UNSPSC :
12352200
Nomenclature NACRES :
NA.77

Niveau de qualité

100

Pureté

≥94% (HPLC)

Forme

solid

Fabricant/nom de marque

Calbiochem®

Conditions de stockage

OK to freeze
protect from light

Couleur

tan to off-white

Solubilité

DMSO: 25 mg/mL

Traces de cations

heavy metals: ≤20 ppm

Conditions d'expédition

ambient

Température de stockage

2-8°C

InChI

1S/C17H19N3O3S/c1-10-8-18-15(11(2)16(10)23-4)9-24(21)17-19-13-6-5-12(22-3)7-14(13)20-17/h5-8H,9H2,1-4H3,(H,19,20)

Clé InChI

SUBDBMMJDZJVOS-UHFFFAOYSA-N

Description générale

A cell-permeable pyridyl methylsulfinyl benzimidazole compound that acts as selective proton pump inhibitor. Behaves as a prodrug by undergoing an acid-catalyzed rearrangement to a thiol-reactive cationic sulfenamide that inhibits (H+, K+)-ATPase in the gastric milieu. An aryl hydrocarbon-like inducer of cytochrome P450 secretion in human liver.
A cell-permeable, selective proton pump inhibitor. Behaves as a prodrug by undergoing an acid-catalyzed rearrangement to a thiol-reactive cationic sulfenamide that inhibits (H+-K+)-ATPase in the gastric milieu. Also acts as an aryl hydrocarbon-like inducer of cytochrome P450 secretion in human liver.

Actions biochimiques/physiologiques

Cell permeable: yes
Primary Target
proton pump
Product does not compete with ATP.
Reversible: no

Conditionnement

Packaged under inert gas

Avertissement

Toxicity: Irritant (B)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Autres remarques

Lambrecht, N., et al. 2000. J. Biol. Chem.275, 4041.
Besancon, M., et al. 1997. J. Biol. Chem.272, 22438.
Sachs, G., et al. 1995. Ann. Rev. Pharmacol. Toxicol.35, 277.
Diaz, D., et al. 1990. Gastroenterology99, 737.
Fellenius, E., et al. 1981. Nature290, 159.

Informations légales

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictogrammes

Exclamation markEnvironment
GHS07,GHS09

Mention d'avertissement

Warning

Mentions de danger

H302,H317,H411

Classification des risques

Acute Tox. 4 Oral - Aquatic Chronic 2 - Skin Sens. 1

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

E Fellenius et al.
Nature, 290(5802), 159-161 (1981-03-12)
Studies both in vivo and in vitro have shown that substituted benzimidazoles inhibit the stimulation of acid secretion produced by dibutyryl cyclic AMP and histamine. Furthermore, the results differ from those produced by H2 antagonists and anticholinergic agents in that
G Sachs et al.
Annual review of pharmacology and toxicology, 35, 277-305 (1995-01-01)
The gastric H+,K+ ATPase--the gastric acid pump--is the molecular target for the class of antisecretory drugs called the proton-pump inhibitors (PPIs). These compounds--omeprazole, lansoprazole, and pantoprazole--contain, as their core structure, 2-pyridyl methylsulfinyl benzimidazole. The H+,K+ ATPase is a heterodimer composed
M Besancon et al.
The Journal of biological chemistry, 272(36), 22438-22446 (1997-09-05)
The vesicular gastric H,K-ATPase catalyzes an electroneutral H for K exchange allowing acidification of the intravesicular space. There is a total of 28 cysteines present in the alpha subunit of the gastric H,K-ATPase, of which 10 are found in the
N Lambrecht et al.
The Journal of biological chemistry, 275(6), 4041-4048 (2000-02-08)
The gastric H,K-ATPase is covalently inhibited by substituted pyridyl-methylsulfinyl-benzimidazoles, such as omeprazole, that convert to thiophilic probes of luminally accessible cysteines in the acid space. The K(+) competitive inhibitor, SCH28080, prevented inhibition of acid transport by omeprazole. In stably expressing
D Diaz et al.
Gastroenterology, 99(3), 737-747 (1990-09-01)
Omeprazole is a new drug used for its high efficiency as an inhibitor of gastric acid secretion. This substituted benzimidazole molecule had been shown to decrease several liver cytochrome P450-mediated monooxygenase activities both in vitro and in vivo. The present

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