4-Butyl-5-methoxy-1,2-diphenyl-1H-pyrazol-3(2H)-one CAS 27258-01-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 27258-01-1 |
| Molecular Formula | C20H22N2O2 |
| Molecular Weight | 322.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Butyl-5-methoxy-1,2-diphenyl-1H-pyrazol-3(2H)-one (CAS 27258-01-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H22N2O2. Molecular weight: 322.40 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H22N2O2 |
| Molecular Weight | 322.40 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 2 |
Related Butyl Standards
- [1-(6-Methoxy-pyrimidin-4-yl)-piperidin-3-yl]-methyl-carbamic acid tert-butyl ester (CAS 1353966-51-4)
- [1-(6-Methoxy-pyrimidin-4-yl)-piperidin-4-ylmethyl]-carbamic acid tert-butyl ester (CAS 1353980-25-2)
- 4-[(6-Methoxy-pyrimidin-4-ylamino)-methyl]-piperidine-1-carboxylic acid tert-butyl ester (CAS 1353980-28-5)
- [1-(6-Methoxy-pyrimidin-4-yl)-piperidin-2-ylmethyl]-carbamic acid tert-butyl ester (CAS 1353989-74-8)
- [1-(6-Methoxy-pyrimidin-4-yl)-piperidin-4-yl]-methyl-carbamic acid tert-butyl ester (CAS 1353989-76-0)
- 2-(3-MEthoxy-phenyl)-3-piperazin-1-ylmethyl-imidazo[1,2-a]pyridine (CAS 727977-40-4)
- 6-Methoxy-3-(((2-methylphenethyl)amino)methyl)quinolin-2(1H)-one (CAS 917562-12-0)
- (6-Methoxy-1h-indole-2-carbonyl)-l-methionine (CAS 1291831-45-2)
Recommended Standards
- 4-[3-(4-Methylphenyl)-3-oxo-1-propenyl]phenyl pivalate (CAS 331460-43-6)
- 5-(2,2-Diphenylvinyl)-3-phenyl-1H-pyrazole (CAS 7470-31-7)
- 4,4''-Oxydi-1,1'-biphenyl (CAS 58841-70-6)
- 2-(3-(Cyclopropanecarbonyl)-1H-indol-1-yl)acetic acid (CAS 708295-12-9)
- 2-Bromo-6-methoxyimidazo[1,2-a]pyridine (CAS 1042141-33-2)
- 2-((4-Ethoxyphenyl)amino)-2-oxoethyl 3-methylthiophene-2-carboxylate (CAS 474376-12-0)
- 5-(4-Fluorophenyl)-3-hydroxy-4-(4-methylbenzoyl)-1-(thiazol-2-yl)-1H-pyrrol-2(5H)-one (CAS 374697-83-3)
- Reactive Yellow 86 (CAS 61951-86-8)
- 4-(Aminomethyl)benzenesulfonic acid (CAS 2393-24-0)
- Protein Kinase C (alpha) Peptide (CAS 159939-84-1)
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