N-(1H-Pyrazol-3-yl)formamide CAS 3816-85-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3816-85-1 |
| Molecular Formula | C4H5N3O |
| Molecular Weight | 111.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies N-(1H-Pyrazol-3-yl)formamide (CAS 3816-85-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H5N3O. Molecular weight: 111.10 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H5N3O |
| Molecular Weight | 111.10 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 | 3 |
Recommended Standards
- Imexon (CAS 59643-91-3)
- N-1H-Imidazol-2-yl-formamide (CAS 229343-10-6)
- Gimeracil Impurity 17 (CAS 84719-31-3)
- 2-(3-Methylpiperidin-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isonicotinonitrile (CAS 1356087-25-6)
- 2,7-Dibromo-10-methylacridone (CAS 17014-39-0)
- 5-Chloro-N-cyclopropyl-2-(trifluoromethyl)benzamide (CAS 2413441-25-3)
- 2,2,2-Trifluoro-1-(4-methyl-3-(pentyloxy)phenyl)ethan-1-one (CAS 1443344-68-0)
- 6-Bromo-7-nitro-1H-benzo[d]imidazole (CAS 281190-51-0)
- (4,6-Dimethoxypyrimidin-2-yl)-N-methylamine (CAS 85346-72-1)
- Semaglutide impurity 37 (CAS CATO-C4X-222637)
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