1-(5-(2-Hydroxy-3-methoxyphenyl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)butan-1-one CAS 923221-34-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 923221-34-5 |
| Molecular Formula | C18H20N2O3S |
| Molecular Weight | 344.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(5-(2-Hydroxy-3-methoxyphenyl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)butan-1-one (CAS 923221-34-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H20N2O3S. Molecular weight: 344.43 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H20N2O3S |
| Molecular Weight | 344.43 g/mol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- (E)-{2-methyl-2-[(4-methylphenyl)sulfanyl]propylidene}[(4-nitrophenyl)methoxy]amine (CAS 306979-76-0)
- 1-Benzoyl-4-(4-methylbenzenesulfonyl)piperazine (CAS 94068-12-9)
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- 5-Aminotetrazole monohydrate (CAS 15454-54-3)
- 4-Amino-N,N-dimethyl-1-naphthamide (CAS 1373247-18-7)
- 1-Cyclohexylpentan-3-amine (CAS 1099598-74-9)
- 3-methyl-1-phenyl-1H-pyrazole-5-thiol (CAS 1131-19-7)
- 2-(Methylamino)benzenethiol (CAS 21749-63-3)
- 2,5-Difluoro-4-nitrobenzoyl chloride (CAS 1214385-18-8)
- (D-His1)-Exenatide trifluoroacetate salt (CAS 1678417-09-8)
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