Omeprazole-d3 (benzimidazole-4,6,7-d3) CAS 934293-92-2
| CAS No. | 934293-92-2 |
| Molecular Formula | - |
| Molecular Weight | 348.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Omeprazole-d3 (benzimidazole-4,6,7-d3) (C17H16D3N3O3S) contains deuterium isotope labeling, a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.5, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 348.43 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Omeprazole-d3 (benzimidazole-4,6,7-d3) (CAS 934293-92-2) is a high-purity analytical reference standard with the molecular formula C17H16D3N3O3S and a molecular weight of 348.43 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C17H16D3N3O3S |
| Molecular Weight | 348.43 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) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Omeprazole Standards
- Omeprazole-4-methoxy-d (CAS 922731-10-0)
- Omeprazole-d3 (CAS 922731-01-9)
- Omeprazole-13C,D3 (CAS 1261395-28-1)
- Omeprazole Impurity 101 (CAS 1346600-70-1)
- Omeprazole Impurity 17 (CAS CATO-C4X-125517)
- Omeprazole EP Impurity H (CAS 863029-89-4)
- Omeprazole EP Impurity H (CAS CATO-C4X-111298)
- Omeprazole Impurity 26 (CAS 142885-92-5)
Recommended Standards
- Esomeprazole-d3 (CAS CATO-CCAD301903)
- 14-Deoxy-11-oxoandrographolide (CAS 42895-57-8)
- Cohumulone (CAS 511-25-1)
- tert-Butyl (2-{[2-amino-4-(pyrrolidin-1-ylcarbonyl)phenyl]amino}ethyl)carbamate (CAS 1019179-42-0)
- 3-((4-Chlorophenyl)sulfonyl)-4,6-dimethylpyridin-2(1H)-one (CAS 321431-06-5)
- 4-((3,4-Dichlorobenzyl)oxy)-3-iodo-5-methoxybenzaldehyde (CAS 428481-98-5)
- 4-Methoxycarbonyl-2-fluorophenylisothiocyanate (CAS 1027513-36-5)
- 2,2-Difluoro-N-(4-methoxyphenyl)-2-(3-(trifluoromethyl)phenoxy)acetamide (CAS 338792-07-7)
- (R)-2-(4-fluorophenyl)piperidine (CAS 1187468-21-8)
- Capivasertib Impurity N1 (CAS 956460-96-1)
- tert-Butyl 4-[4-bromo-3-(difluoromethyl)pyrazol-1-yl]piperidine-1-carboxylate (CAS 1449117-47-8)
- 4-Amino-1-(4-fluorophenyl)pyrrolidin-2-one hydrochloride (CAS 1177351-65-3)
- 3-(2-Carboxyvinyl)benzoic acid (CAS 25974-99-6)
- Semaglutide impurity 33 (CAS CATO-C4X-222633)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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