4-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5(4H)-one CAS 13051-07-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 13051-07-5 |
| Molecular Formula | C16H17FN4O3 |
| Molecular Weight | 332.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5(4H)-one (CAS 13051-07-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H17FN4O3. Molecular weight: 332.33 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H17FN4O3 |
| Molecular Weight | 332.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Methoxyphenyl Standards
- 2-[(6-{[(3-methoxyphenyl)methyl]amino}-3-nitropyridin-2-yl)amino]acetic acid (CAS 329700-21-2)
- 2-(4-Methoxyphenyl)-3-((5-methylisoxazol-3-yl)amino)-1H-inden-1-one (CAS 1022394-38-2)
- Benzyl 3-(4-methoxyphenyl)acrylate (CAS 5466-78-4)
- 3,6-Bis(4-methoxyphenyl)imidazo[1,2-b][1,2,4]triazine (CAS 64768-09-8)
- 6,7-Bis(4-methoxyphenyl)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 685107-35-1)
- 7-Benzyl-2-(3-methoxyphenyl)-1H-purin-6(7H)-one (CAS 219933-54-7)
- 2-((2-Methoxyphenyl)amino)-2-oxoethyl 2-(methylthio)nicotinate (CAS 878581-14-7)
- 4-[(1Z)-3-(4-Methoxyphenyl)-3-oxoprop-1-en-1-yl]phenyl methanesulfonate (CAS 331461-41-7)
Recommended Standards
- Lansoprazole Impurity 26 (CAS 1187926-85-7)
- 1-(6-(Methylsulfonamido)pyridin-3-yl)-1H-indazole-3-carboxylic acid (CAS 1309268-17-4)
- Oxcarbazepine N-Sulfate (CAS 1159977-54-4)
- Methyl 3-ethyl-2-oxoimidazolidine-1-carboxylate (CAS 297143-83-0)
- 2-((3,4-Difluorophenyl)amino)pyridine-3-sulfonamide (CAS 1340970-26-4)
- 3-(3-Bromo-4-fluorobenzyl)piperidin-3-ol (CAS 1343946-22-4)
- 2-(4-Chlorophenyl)-2,2-difluoroacetic Acid (CAS 475301-73-6)
- 5-(Cyclohexylmethyl)-2-(dimethylamino)phenol (CAS 1243440-45-0)
- 4-Methoxyindolin-5-amine (CAS 200484-92-0)
- Semaglutide Impurity 146 (CAS 2645421-68-5)
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