3-(Pyridin-4-yl)-1H-pyrazol-5(4H)-one CAS 101421-76-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 101421-76-5 |
| Molecular Formula | C8H7N3O |
| Molecular Weight | 161.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(Pyridin-4-yl)-1H-pyrazol-5(4H)-one (CAS 101421-76-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H7N3O. Molecular weight: 161.16 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H7N3O |
| Molecular Weight | 161.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
Related Pyridin Standards
- 5-(Pyridin-2-yl)oxazol-2-amine (CAS 1014629-81-2)
- 5-(Pyridin-3-yl)oxazol-2-amine (CAS 1014629-82-3)
- 5-(Pyridin-4-yl)oxazol-2-amine (CAS 1014629-83-4)
- 5-Methyl-3-(pyridin-3-yl)-1,2,4-oxadiazole (CAS 10350-69-3)
- 1-(Pyridin-2-yl)-1h-1,2,4-triazol-5-amine (CAS 1247628-46-1)
- 1-(Pyridin-4-yl)-1h-1,2,4-triazol-3-amine (CAS 1248663-31-1)
- 1-(Pyridin-4-yl)-1h-1,2,4-triazol-5-amine (CAS 1250282-04-2)
- 1-(pyridin-2-yl)-1H-pyrazol-3-ol (CAS 126583-32-2)
Recommended Standards
- 10118-81-7 2-(3,4-dihydroxyphenyl)-2-oxoacetic acid 3,4-Dihydroxybenzoylformic acid (CAS 10118-81-7)
- 8-Methylbenzo[d][1,2,3]triazin-4(3H)-one (CAS 1008742-16-2)
- 2-Cyano-1,4-benzodioxan (CAS 1008-92-0)
- 1-((4-Chloro-1H-pyrazol-1-yl)methyl)-1H-pyrazol-3-amine (CAS 1006472-82-7)
- 2-amino-9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-[[hydroxy-[hydroxy(imidazol-1-yl)phosphoryl]oxy-phosphoryl]oxymethyl]tetrahydrofuran-2-yl]-7-methyl-purin-7-ium-6-olate (CAS 531553-69-2)
- 6-Ethoxy-4-methylnicotinonitrile (CAS 1355190-05-4)
- 7-Boc-2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine (CAS 916420-27-4)
- 4,5-Di-thiophen-2-yl-thiazol-2-ylamine (CAS 721415-79-8)
- 2-methoxycarbonyl-4H-furo[3,2-b]pyrrole-5-carboxylate (CAS 2384395-80-4)
- [14-31]-Semaglutide (CAS CATO-C4X-2226262)
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