1-(3-(2-Hydroxyphenyl)-5-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)ethan-1-one CAS 149054-50-2
| CAS No. | 149054-50-2 |
| Molecular Formula | C15H14N2O2S |
| Molecular Weight | 286.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-(3-(2-Hydroxyphenyl)-5-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)ethan-1-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
1-(3-(2-Hydroxyphenyl)-5-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)ethan-1-one (CAS 149054-50-2) is a high-purity analytical reference standard with the molecular formula C15H14N2O2S and a molecular weight of 286.35 g/mol.
The molecular framework of 1-(3-(2-Hydroxyphenyl)-5-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)ethan-1-one (C15H14N2O2S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H14N2O2S |
| Molecular Weight | 286.35 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.) | 1999 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Hydroxyphenyl Standards
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- (R)-5-(1-(2-Hydroxyphenyl)allyl)-2,4-dimethoxyphenol (CAS 10154-42-4)
- 3-(2-Hydroxyphenyl)-1-(3,4-dimethoxyphenyl)-1-propanone, 97% (CAS 120645-73-0)
- Methyl 7-(4-hydroxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate (CAS 329796-06-7)
- 3-[(2-Hydroxyphenyl)amino]-1-(3-nitrophenyl)propan-1-one (CAS 36946-00-6)
- 1,2-Bis(4-hydroxyphenyl)-1,1,2,2-tetrafluoroethane (CAS 433719-69-8)
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Recommended Standards
- Tert-butyl (2-methyl-3-sulfamoylphenyl)carbamate (CAS 1487206-99-4)
- tert-Butyl (4-(N-methylsulfamoyl)phenyl)carbamate (CAS 1490554-79-4)
- Tert-butyl (N-benzylsulfamoyl)carbamate (CAS 147000-78-0)
- Tert-butyl (4-methyl-3-sulfamoylphenyl)carbamate (CAS 1491197-15-9)
- 7-bromo-1H-indole-3-sulfonic acid (CAS 2361020-94-0)
- 2-(2-Bromo-4-fluorophenoxy)ethan-1-amine (CAS 951914-86-6)
- 1-Cyclopropanecarbonyl-4-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]piperidine (CAS 1775325-95-5)
- 3-Chloro-4-methylthiophene-2-carbonyl chloride (CAS 690632-13-4)
- 2-(Bromomethyl)-4-tosylmorpholine (CAS 1541487-32-4)
- 4-(6-Hydroxybenzofuran-2-yl)benzene-1,3-diol (CAS 67736-22-5)
- 2-Chloro-1H,1H-perfluorooct-1-ene (CAS 261503-26-8)
- 1-(Furan-2-ylmethyl)pyrrolidin-3-one (CAS 1096851-33-0)
- ((3-Bromo-2-methylphenyl)ethynyl)triethylsilane (CAS 2624404-96-0)
- semaglutide (CAS 782487-28-9)
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