1H- Pyrazole- 3- carboxaldehyde CAS 3920-50-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3920-50-1 |
| Molecular Formula | C4H4N2O |
| Molecular Weight | 96.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1H- Pyrazole- 3- carboxaldehyde (CAS 3920-50-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H4N2O. Molecular weight: 96.09 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H4N2O |
| Molecular Weight | 96.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related H Standards
- 1H-Pyrazole-3-carbaldehyde,dimer (CAS 209002-03-9)
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- 1H-Pyrazole-3,4-diamine (CAS 16461-98-6)
- Pyrazole-3-carbonitrile (CAS 36650-74-5)
- 1H-Pyrazole-1-carboximidamide (CAS 4023-00-1)
- 1H-Pyrazole-1-carboxamide (CAS 931-08-8)
- 1H-Pyrazole-3-carbaldehyde oxime (CAS 30192-58-6)
- Pyrazole-3-carboxamide (CAS 33064-36-7)
Recommended Standards
- 1,2,4-Triazin-5-amine (CAS 822-69-5)
- 1H-imidazole-1-carbaldehyde (CAS 3197-61-3)
- 5-Vinyl-1H-tetrazole (CAS 18755-47-0)
- 3-Cyclopropoxy-2,5-dimethoxypyridine (CAS 1243311-33-2)
- 2,2-bis(4-carboxyphenyl)hexafluoropropane (CAS 1171-47-7)
- Etrasimod (CAS 1206123-37-6)
- 1-((2R,3R,4R,5R)-3,4-Dihydroxy-5-((phosphonooxy)methyl)tetrahydrofuran-2-yl)-4-imino-1,4-dihydropyridine-3-carboxylic acid (CAS 65411-71-4)
- (1-Butyl-3,5-dimethyl-1h-pyrazol-4-yl)methanamine (CAS 1155590-99-0)
- 4-(2,3-Dimethyl-4-pentylbenzylidene)pyrazolidine-3,5-dione (CAS 820238-72-0)
- Tirzepatide Impurity 9 (CAS CATO-C4X-32409)
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