1-Ethyl-4-(2-isobutyl-2H-benzo[e][1,3]oxazin-3(4H)-yl)-1H-pyrazole-3-carboxylic acid CAS 1171592-34-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1171592-34-9 |
| Molecular Formula | C18H23N3O3 |
| Molecular Weight | 329.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Ethyl-4-(2-isobutyl-2H-benzo[e][1,3]oxazin-3(4H)-yl)-1H-pyrazole-3-carboxylic acid (CAS 1171592-34-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H23N3O3. Molecular weight: 329.39 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H23N3O3 |
| Molecular Weight | 329.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- Diethyl 2,6-dimethyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate (CAS 1165-06-6)
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- (E)-4-((4-phenoxyphenyl)amino)-3-phenylbut-3-en-2-one (CAS 1164524-97-3)
- 3,4-Dichloro-5-(difluoromethoxy)phenol (CAS 1804516-99-1)
- 1-Isocyano-2-phenylbenzene (CAS 3128-77-6)
- [2-(1,3-Benzothiazol-2-yl)pyridin-3-yl]methanol (CAS 539807-91-5)
- 2-(3-Methyl-4-nitro-pyrazol-1-yl)-ethanol (CAS 1201936-01-7)
- N1-isopropyl-N1-(4-methoxybenzyl)ethane-1,2-diamine (CAS 1181606-78-9)
- 3-Ethoxy-N-((4-methylthiazol-5-yl)methyl)propan-1-amine (CAS 1496454-92-2)
- Tripeptide-10 citrulline (CAS 960531-53-7)
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