Esomeprazole Impurity B

Name: Esomeprazole Impurity B
Brand: Zemixal
SKU: ZX-004722

Reference StandardIn stock

Esomeprazole Impurity B (CAS 110374-16-8) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-004722.

Pack sizes

Esomeprazole Impurity B chemical structure

CAS number110374-16-8

FormulaC₁₆H₁₇N₃O₂S

Molar mass315.4 g/mol

Physical formSolid

HS code38229090

Purity90.12%

InChIKeyZMXZYNHJPJEPAE-UHFFFAOYSA-N

IUPAC name2-[(3,5-dimethyl-2-pyridinyl)methylsulfinyl]-6-methoxy-1H-benzimidazole

About Esomeprazole Impurity B

Analytical teams working on Esomeprazole use Esomeprazole Impurity B as a qualified comparison standard. Key data (Reference Standard): CAS 110374-16-8, formula C16H17N3O2S and molar mass 315.4 g/mol. It is handled as a solid.

Use cases we see most often

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Handling and storage

It carries the GHS signal word Warning (H302, H315 and H411), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg, 100 mg and 250 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Esomeprazole

See every impurity, metabolite and related compound we list for this API.

Esomeprazole standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Esomeprazole Impurity B
Product name	Esomeprazole Impurity B
Catalogue number	ZX-004722
CAS number	110374-16-8
IUPAC name	2-[(3,5-dimethyl-2-pyridinyl)methylsulfinyl]-6-methoxy-1H-benzimidazole
Molecular formula	C₁₆H₁₇N₃O₂S
Molar mass	315.4 g/mol
Exact mass	315.1041
Grade	Reference Standard
Purity / assay	90.12%
Physical form	Solid
XLogP3	2.3
H-bond donors / acceptors	1 / 5
Topological polar surface area	87.1 Å²
HS code	38229090
InChIKey	ZMXZYNHJPJEPAE-UHFFFAOYSA-N
SMILES	CC1=CC(=C(N=C1)CS(=O)C2=NC3=C(N2)C=C(C=C3)OC)C
PubChem CID	46781146
Synonyms	2-[[(3,5-Dimethyl-2-pyridinyl)methyl]sulfinyl]-6-methoxy-1H-benzimidazole, 2-[(RS)-[(3,5-Dimethylpyridin-2-yl)methyl]sulfinyl]-5-methoxy-1H-benzimidazole, 2-(((3,5-Dimethylpyridin-2-yl)methyl)sulfinyl)-5-methoxy-1H-benzo[d]imidazole, 4-Desmethoxy Omeprazole, Omeprazole EP Impurity B, Omeprazole Impurity B, 1H-Benzimidazole, 2-(((3,5-dimethyl-2-pyridinyl)methyl)sulfinyl)-6-methoxy-, 2-((RS)-((3,5-Dimethylpyridin-2-yl)methyl)sulfinyl)-5-methoxy-1H-benzimidazole, Omeprazole magnesium impurity B, 2-[(3,5-dimethylpyridin-2-yl)methylsulfinyl]-6-methoxy-1H-benzimidazole, 5-Methoxy-2-[(3,5-dimethyl-2-pyridinyl)-methylsulfinyl]-benzimidazole, (+/-)-2-(((3,5-Dimethylpyridin-2-yl)methyl)sulfinyl)-5-methoxy-1H-benzimidazole

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Hazardous to the environment

Signal word Warning

H302Harmful if swallowed
H315Causes skin irritation
H411Toxic to aquatic life with long lasting effects

Precautionary statements P264, P270, P273, P280, P301 + P317, P302 + P352, P321, P330, P332 + P317, P362 + P364, P391, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Esomeprazole Impurity B
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request
250 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Esomeprazole Impurity B

Which CAS number identifies Esomeprazole Impurity B?

Esomeprazole Impurity B is registered under CAS 110374-16-8. You may also see it listed as 2-[[(3,5-Dimethyl-2-pyridinyl)methyl]sulfinyl]-6-methoxy-1H-benzimidazole, 2-[(RS)-[(3,5-Dimethylpyridin-2-yl)methyl]sulfinyl]-5-methoxy-1H-benzimidazole, 2-(((3,5-Dimethylpyridin-2-yl)methyl)sulfinyl)-5-methoxy-1H-benzo[d]imidazole. Our catalogue number for this item is ZX-004722.

What are the formula and molar mass of Esomeprazole Impurity B?

For Esomeprazole Impurity B, its formula is C16H17N3O2S and its molar mass is 315.4 g/mol. The systematic (IUPAC) name is 2-[(3,5-dimethyl-2-pyridinyl)methylsulfinyl]-6-methoxy-1H-benzimidazole. InChIKey ZMXZYNHJPJEPAE-UHFFFAOYSA-N lets you match it in any structure database.

How is Esomeprazole Impurity B used in pharmaceutical QC?

Esomeprazole Impurity B is a characterised reference material linked to Esomeprazole. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Esomeprazole Impurity B?

This listing is Reference Standard grade with 90.12% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Esomeprazole Impurity B?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Esomeprazole Impurity B to my country?

Yes. Because Esomeprazole Impurity B is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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