1H-pyrazole-5-carboxylic acid, 3-phenyl-4-(2-phenyldiazenyl)-, ethyl ester CAS 1224879-11-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1224879-11-1 |
| Molecular Formula | C18H16N4O2 |
| Molecular Weight | 320.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 1H-pyrazole-5-carboxylic acid, 3-phenyl-4-(2-phenyldiazenyl)-, ethyl ester (CAS 1224879-11-1) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C18H16N4O2. Molecular weight: 320.35 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C18H16N4O2 |
| Molecular Weight | 320.35 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
Related H Standards
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- 1H-Pyrazole, 1-[(5-fluoro-2-methylphenyl)methyl]-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- (CAS 1604036-92-1)
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Recommended Standards
- 1-Benzyl-4-(5-(pyridin-4-yl)-1,2,4-oxadiazol-3-yl)pyrrolidin-2-one (CAS 1170979-08-4)
- JH295 (CAS 1311143-71-1)
- 3-Nitro-2-(4-(3-(pyridin-2-yl)prop-2-yn-1-ylidene)piperidin-1-yl)pyridine (CAS 1107616-88-5)
- 3,6,9,12,15-Pentaoxahexacosan-1-ol (CAS 92691-26-4)
- 1,2,3,6-Tetrahydropyridin-3-ol (CAS 84794-16-1)
- 1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane (CAS 69304-37-6)
- 3-Ethyl-1-(methylsulfonyl)indoline (CAS 591219-80-6)
- n-(2-Cyclopentylethyl)-2-fluorobenzenesulfonamide (CAS 1090686-36-4)
- 1-ethyl-3-(pyrazin-2-yl)-1h-pyrazol-5-ol (CAS 1279106-18-1)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
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