Esomeprazole

Name: Esomeprazole
Brand: Vaqora Chemicals
SKU: VQ-004189

About Esomeprazole

Esomeprazole (CAS 119141-88-7) is a gastrointestinal API offered by Vaqora Chemicals in IP/BP/USP grade with a typical assay of ≥99.0%. Its molecular formula is C17H19N3O3S and its molecular weight is 345.4 g/mol. The IUPAC name is 6-methoxy-2-[(S)-(4-methoxy-3,5-dimethyl-2-pyridinyl)methylsulfinyl]-1H-benzimidazole. Alternative names: (S)-Omeprazole and (-)-Omeprazole.

In its supplied form it is an off-white powder. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As an active pharmaceutical ingredient within our gastrointestinal APIs range, it is offered in IP/BP/USP grade for formulation development, generic drug programmes and commercial manufacturing. It is used across pharmaceutical manufacturing.

We offer Esomeprazole in 1 kg, 5 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Pharmaceutical formulation
Generic drug development

Industries

Related to Esomeprazole

View every impurity, metabolite and intermediate we list for Esomeprazole.

Esomeprazole impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Esomeprazole
Catalogue No.	VQ-004189
CAS Number	119141-88-7
IUPAC name	6-methoxy-2-[(S)-(4-methoxy-3,5-dimethyl-2-pyridinyl)methylsulfinyl]-1H-benzimidazole
Molecular formula	C₁₇H₁₉N₃O₃S
Molecular weight	345.4 g/mol
Exact mass	345.1147
Grade	IP/BP/USP
Purity / assay	≥99.0%
HSN code	2933
InChIKey	SUBDBMMJDZJVOS-DEOSSOPVSA-N
SMILES	CC1=CN=C(C(=C1OC)C)C[S@](=O)C2=NC3=C(N2)C=C(C=C3)OC
PubChem CID	9568614

Physical properties
Physical form	Powder
Appearance	Off-white powder
LogP (XLogP3)	2.2
H-bond donors / acceptors	1 / 6
TPSA	96.3 Å²
Synonyms	5-chloro-2-(6-methylpyridin-3-yl)-3-(4-methylsulfonylphenyl)pyridine, (S)-Omeprazole, (-)-Omeprazole, Inexium paranova, (S)-(-)-Omeprazole, esomeprazol, Omeprazole, (s)-, Esopral, 5-Methoxy-2-((S)-((4-methoxy-3,5-dimethyl-2-pyridyl)methyl)sulfinyl)benzimidazole, 6-methoxy-2-[(S)-(4-methoxy-3,5-dimethylpyridin-2-yl)methylsulfinyl]-1H-benzimidazole, (R)-(+)-omeprazole, Omeprazole S-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H312Harmful in contact with skin
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P271, P272, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Esomeprazole?

The CAS Registry Number of Esomeprazole is 119141-88-7. It is also known as 5-chloro-2-(6-methylpyridin-3-yl)-3-(4-methylsulfonylphenyl)pyridine, (S)-Omeprazole, (-)-Omeprazole.

What is the molecular formula and molecular weight of Esomeprazole?

Esomeprazole has the molecular formula C17H19N3O3S and a molecular weight of 345.4 g/mol. Its IUPAC name is 6-methoxy-2-[(S)-(4-methoxy-3,5-dimethyl-2-pyridinyl)methylsulfinyl]-1H-benzimidazole.

What is Esomeprazole used for?

Esomeprazole is supplied as a characterised reference material related to Esomeprazole. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Esomeprazole can I order?

We supply Esomeprazole in IP/BP/USP (≥99.0%) grade, in 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Esomeprazole?

Yes. Every lot of Esomeprazole is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Esomeprazole be shipped internationally?

Yes. Esomeprazole is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.