1-(4-Nitrophenyl)-3-phenyl-1H-pyrazol-5-ol CAS 692264-91-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 692264-91-8 |
| Molecular Formula | C15H11N3O3 |
| Molecular Weight | 281.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(4-Nitrophenyl)-3-phenyl-1H-pyrazol-5-ol (CAS 692264-91-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H11N3O3. Molecular weight: 281.27 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C15H11N3O3 |
| Molecular Weight | 281.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
Related Nitrophenyl Standards
- 4-Methyl-2-(4-nitrophenyl)phthalazin-1(2H)-one (CAS 100864-77-5)
- 2-(4-Methyl-3-nitrophenyl)imidazo[1,2-a]pyridine-3-carbaldehyde (CAS 1216111-41-9)
- 1-(2-(3-Nitrophenyl)imidazo[1,2-a]pyridin-3-yl)ethanone (CAS 1301138-36-2)
- 3-((4-Nitrophenyl)amino)-1H-indole-2-carbaldehyde (CAS 167954-14-5)
- 1-(3-Nitrophenyl)-3-phenyl-1H-pyrazol-5-ol (CAS 1858256-68-4)
- 1-(4-Nitrophenyl)-3-phenyl-1h-pyrazol-5-ol (CAS 311813-91-9)
- 2-(3-Nitrophenyl)-4-phenyl-1,2-dihydro-3H-pyrazol-3-one (CAS 400075-08-3)
- 2-(3-Nitrophenyl)-5-(p-tolyl)-1,3,4-oxadiazole (CAS 311313-27-6)
Recommended Standards
- 1,3-Dimethyl-1H,2H,3H,4H,10H-indolo[3,2-g]pteridine-2,4-dione (CAS 22724-47-6)
- (7-Methylimidazo[1,2-a]pyridin-3-yl)(3-nitrophenyl)methanone (CAS 853334-54-0)
- 1-Allyl-7-phenyl-2H-pyrimido[4,5-d][1,3]oxazine-2,4(1H)-dione (CAS 76360-66-2)
- 1-(Chloromethoxy)-2-fluorobenzene (CAS 1394288-17-5)
- 3,3,4,4,5,5,6,6,7,8,8,8-Dodecafluoro-7-(trifluoromethyl)octyl methacrylate (CAS 50836-66-3)
- (1R)-1-(Pyrimidin-5-yl)ethan-1-amine (CAS 179601-39-9)
- (S)-N1-(1-Benzylpiperidin-3-yl)-N1-methylethane-1,2-diamine (CAS 1354015-57-8)
- Ethyl 2,3-dihydrospiro[indene-1,2'-oxirane]-3'-carboxylate (CAS 67197-73-3)
- 1-(3-Fluoro-4-methoxyphenyl)cyclobutanemethanamine (CAS 2089914-54-3)
- Semaglutide impurity 84 (CAS CATO-C4X-222684)
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