5-ethyl-1H-pyrazol-3-ol CAS 35087-28-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 35087-28-6 |
| Molecular Formula | C5H8N2O |
| Molecular Weight | 112.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-ethyl-1H-pyrazol-3-ol (CAS 35087-28-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H8N2O. Molecular weight: 112.13 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H8N2O |
| Molecular Weight | 112.13 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 5-Amino-3,4-dimethylisoxazole (CAS 19947-75-2)
- 5-Ethyloxazol-2-amine (CAS 33124-05-9)
- 5-(propan-2-yl)-1H-1,2,3,4-tetrazole (CAS 6280-28-0)
- 6-Chloro-N-(4-isopropoxyphenyl)pyrimidin-4-amine (CAS 1242241-02-6)
- 3-(2-Bromophenyl)propanal (CAS 107408-16-2)
- 2-Acetyl-1-benzothiophene-3-carboxylic acid (CAS 573722-47-1)
- Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid, 1,4,5,6,7,7-hexachloro-, polymer with 2,2-bis(hydroxymethyl)-1,3-propanediol and 1,3-isobenzofurandione (CAS 32313-05-6)
- Lansoprazole impurity 74 (CAS CATO-C4X-111374)
- 7-Bromo-5H-pyrrolo[3,2-d]pyrimidin-2-amine (CAS 1638764-16-5)
- Semaglutide impurity 271 (CAS CATO-C4X-2226271)
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