5-[(tert-butoxy)carbonyl]-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylic acid CAS 1258641-25-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1258641-25-6 |
| Molecular Formula | C15H18N2O4 |
| Molecular Weight | 290.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
5-[(tert-butoxy)carbonyl]-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 1258641-25-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H18N2O4. Molecular weight: 290.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H18N2O4 |
| Molecular Weight | 290.31 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Ethyl 4-hydroxy-1-isopropyl-7-methyl-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate (CAS 1253791-01-3)
- 3-(Ethoxycarbonyl)-1-(2-ethylphenyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264041-87-3)
- 1242878-03-0
3-[4-(4-Methylbenzyl)-2,3-dioxopiperazin-1-yl]propanoic acid
MFCD15732385 (CAS 1242878-03-0)
- Acetophos (CAS 2425-25-4)
- 3-(tert-Butoxy)-4-chloro-5-cyclopropoxypyridine (CAS 1243455-70-0)
- 7-Bromo-8-methyl-6-(trifluoromethyl)quinazoline-2,4(1H,3H)-dione (CAS 2803281-34-5)
- 3-Morpholino-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 1129541-04-3)
- Isoxazole-3-carbothioamide (CAS 886371-53-5)
- Methyl 3-methoxy-5-[4-(methoxycarbonyl)phenyl]benzoate (CAS 1820618-09-4)
- Pancreatic Polypeptide (bovine) (CAS 179986-89-1)
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