4-Isobutyryl-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one CAS 147663-44-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 147663-44-3 |
| Molecular Formula | C14H16N2O2 |
| Molecular Weight | 244.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Isobutyryl-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one (CAS 147663-44-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H16N2O2. Molecular weight: 244.29 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C14H16N2O2 |
| Molecular Weight | 244.29 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 2 |
Related Isobutyryl Standards
- 2-(3-Isobutyryl-1H-indol-1-yl)acetic acid (CAS 797775-86-1)
- 25518-49-4 Isobutyryl-1-carnitine Ammonium, (3-carboxy-2-hydroxypropyl)trimethyl-, hydroxide, inner salt, isobutyrate, L- (S)-3-Carboxy-N,N,N-trimethyl-2-(2-methyl-1-oxopropoxy)-1-propanaminium, hydroxide, inner salt 1-Propanaminium, 3-carboxy-N,N,N-trimethyl-2-(2-methyl-1-oxopropoxy)-, inner salt, (R)- (9CI) BRN 4138517 Iso-butyryl-L(-)-carnitin [German] Isobutyryl-carnitine Isobutyryl-L-carnitine Iso-butyryl-L(-)-carnitin (CAS 25518-49-4)
- 1-Isobutyryl-1H-indole-3-carboxylic acid (CAS 1368589-20-1)
- 1-Isobutyryl-1H-pyrazole-4-boronic Acid Pinacol Ester (CAS 1605292-76-9)
- Isobutyryl cyanoacetate (CAS 521289-10-1)
- 5-Isobutyryl-6,7-dihydrobenzo[b]thiophen-4(5h)-one (CAS 1344372-49-1)
- N-isobutyryl-N-phenylglycine (CAS 166033-83-6)
- 1-Isobutyryl-1,2,3,4-tetrahydroquinolin-7-amine (CAS 1018287-36-9)
Recommended Standards
- 3-Benzylhexahydropyrrolo[1,2-a]pyrazine-1,4-dione (CAS 14705-60-3)
- (1R,3S)-Methyl 1-methyl-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate (CAS 147976-41-8)
- 1-{3-[methyl(phenyl)amino]propyl}-2,5-dihydro-1h-pyrrole-2,5-dione (CAS 146426-00-8)
- Astragaloside Iv (CAS 84687-43-4)
- 1-(5-Methyl-1H-benzo[d]imidazol-2-yl)propan-1-ol (CAS 20033-06-1)
- Iodoantipyrine (CAS 129-81-7)
- 1-Amino-3-(3,4-dichlorophenyl)propan-2-ol (CAS 1225532-34-2)
- Methyl 4-formyl-3-methylisoxazole-5-carboxylate (CAS 161126-53-0)
- 4-(4-Bromo-2-nitrophenoxy)piperidine hydrochloride (CAS 1220020-95-0)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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