1-(3-Amino-5-methyl-1H-pyrazol-4-yl)ethan-1-one CAS 139111-42-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 139111-42-5 |
| Molecular Formula | C6H9N3O |
| Molecular Weight | 139.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(3-Amino-5-methyl-1H-pyrazol-4-yl)ethan-1-one (CAS 139111-42-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H9N3O. Molecular weight: 139.16 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H9N3O |
| Molecular Weight | 139.16 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 2-Amino-4-methyl-1H-pyrrole-3-carboxamide (CAS 1020110-72-8)
- (2-Amino-6-methylpyrimidin-4-yl)methanol (CAS 110429-43-1)
- 2-Amino-5-ethylidene-1-methyl-1H-imidazol-4(5H)-one (CAS 119290-24-3)
- 8-Amino-6,7-diazaspiro[3.4]oct-7-en-5-one (CAS 1221791-84-9)
- 1-(4-Amino-1-methyl-1H-pyrazol-5-yl)ethanone (CAS 1229624-60-5)
- 2-Amino-1-(pyrimidin-4-yl)ethan-1-ol (CAS 1240618-30-7)
- (4-Amino-6-methylpyrimidin-2-yl)methanol (CAS 1263216-08-5)
- 1-(4-Amino-1-methyl-1H-pyrazol-3-yl)ethanone (CAS 1287670-54-5)
Recommended Standards
- (5-(Aminomethyl)pyrazin-2-yl)methanol (CAS 137815-74-8)
- 2-Amino-6-(aminomethyl)pyridin-4-ol (CAS 1393533-21-5)
- N,4-Dimethyl-1H-imidazole-5-carboxamide (CAS 137480-35-4)
- tert-Butyl 4-(2-((tert-butoxycarbonyl)amino)-3-oxo-3-(pyrrolidin-1-yl)propyl)piperidine-1-carboxylate (CAS 1219337-75-3)
- N-(2-Fluorophenyl)-3-(4-methoxyphenyl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483993-13-1)
- 3-Aminooxetane-2-carboxylic acid (CAS 1427385-82-7)
- 2-[2-(2,5-Dimethylphenoxy)ethyl]piperidinehydrochloride (CAS 1219982-32-7)
- N-(2-Amino-2-oxoethyl)-2-(thiophene-2-carboxamido)oxazole-4-carboxamide (CAS 1286717-03-0)
- Methyl 2-hydroxy-4,6-dimethylpyrimidine-5-carboxylate (CAS 1147294-72-1)
- Semaglutide Impurity 148 (CAS CATO-C4X-2226148)
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