Omeprazole EP Impurity B CAS 110374-16-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 110374-16-8 |
| Molecular Formula | C16H17N3O2S |
| Molecular Weight | 315.39 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Omeprazole EP Impurity B (CAS 110374-16-8), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H17N3O2S. Molecular weight: 315.39 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H17N3O2S |
| Molecular Weight | 315.39 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Omeprazole Standards
- Omeprazole Impurity 37 (CAS 73590-60-0)
- Omeprazole Impurity 43 (CAS 151602-50-5)
- Omeprazole Impurity 7 (CAS 103877-02-7)
- Omeprazole Impurity 46 (CAS CATO-C4X-125546)
- Omeprazole Impurity 47 (CAS CATO-C4X-125547)
- Omeprazole EP Impurity G (CAS 125656-83-9)
- Omeprazole EP Impurity F (CAS 125656-82-8)
- Omeprazole Impurity 12 (CAS CATO-C4X-125512)
Recommended Standards
- Ticagrelor impurity 99 (CAS CATO-C4X-109399)
- Apremilast impurity 64 (CAS CATO-C4X-100964)
- Esomeprazole Impurity 58 (CAS CATO-C4X-111258)
- Palonosetron Impurity N15 (CAS 1796933-62-4)
- Drospirenone Impurity 13(Mixture of Diastereomers) (CAS CATO-C4X-162413)
- Methyl 4-isothiocyanato-3-methylbenzoate (CAS 1360960-70-8)
- Ethyl 5-(p-tolylthio)-1,2,3-thiadiazole-4-carboxylate (CAS 306977-04-8)
- 2-(4-Methoxyphenyl)-8,8-dimethyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine (CAS 1416438-88-4)
- 5-(4-(Benzo[d][1,3]dioxol-5-ylmethyl)piperazin-1-yl)-5-oxopentanoic acid (CAS 620931-00-2)
- Tau Peptide (294-305) (human) trifluoroacetate salt (CAS 1428135-29-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com