1H-Pyrazole-4-carboxaldehyde,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl- 4-Antipyrinecarboxaldehyde 4-Formylantipyrine 950-81-2 Antipyraldehyde Antipyrinaldehyd Antipyrine, 4-formyl- Febranine NSC-60408 NSC60408 CAS 950-81-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 950-81-2 |
| Molecular Formula | C12H18N2O2 |
| Molecular Weight | 222.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1H-Pyrazole-4-carboxaldehyde,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl- 4-Antipyrinecarboxaldehyde 4-Formylantipyrine 950-81-2 Antipyraldehyde Antipyrinaldehyd Antipyrine, 4-formyl- Febranine NSC-60408 NSC60408 (CAS 950-81-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H18N2O2. Molecular weight: 222.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H18N2O2 |
| Molecular Weight | 222.28 g/mol |
| Appearance | Off-white to pale 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related H Standards
- 4,4'-(1H-Pyrazole-3,5-diyl)dipyridine (CAS 129485-58-1)
- 3,3'-(1H-Pyrazole-3,5-diyl)dipyridine (CAS 79476-36-1)
- 1-(1H-Pyrazole-3-carbonyl)piperidine-3-carboxylic acid (CAS 1152866-96-0)
- 1-(1H-Pyrazole-3-carbonyl)piperidine-4-carboxylic acid (CAS 1152947-60-8)
- 1-(1H-pyrazole-4-carbonyl)piperidine-3-carboxylic acid (CAS 1154936-36-3)
- 1H-Pyrazole-3-carboxylic acid, 4-nitro-, 2-chloroethyl ester (CAS 923283-70-9)
- 1-(1H-pyrazole-4-sulfonyl)piperidine (CAS 1179789-31-1)
- 2033-45-6 Pyrazole, 3,5-dimethyl-4-iodo- 5-23-05-00159 (Beilstein Handbook Reference) BRN 0108535 3,5-Dimethyl-4-iodopyrazole NSC 100887 (CAS 2033-45-6)
Recommended Standards
- 4-(Acetylmethylamino)-1-(3-pyridyl)-1-butanol 4-(Acetylmethylamino)-1-(3-pyridyl)-1-butanol-d6 887352-16-1 N-(4-Hydroxy-4-pyridin-3-yl-butyl)-N-methyl-acetamide N-(4-Hydroxy-4-pyridin-3-yl-butyl)-N-methyl-acetamide-d6 (CAS 887352-16-1)
- Ibuprofen EP Impurity L (CAS 53949-53-4)
- 1412AF 4-(4-Ethoxy-3-methyl-phenyl)-butyric acid 878431-90-4 C13H18O3 (CAS 878431-90-4)
- Valproic Acid Related compound B (CAS 247182-97-4)
- 4,8-Dimethyl-2-(4-phenylmethanesulfonylpiperazin-1-yl)quinoline (CAS 478081-71-9)
- 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-3-cyclopropylpropane-1,3-dione (CAS 172527-65-0)
- 3-(Pyridin-4-yl)-3H-[1,2,3]triazolo[4,5-b]pyridine (CAS 62052-28-2)
- [(3-chlorophenyl)(pyridin-2-yl)methyl](methyl)amine (CAS 1249234-24-9)
- Naphazoline Impurity 6 (CAS 36660-46-5)
- Semaglutide Impurity 5 (CAS 23406-82-8)
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