(1-Ethyl-5-hydroxy-1H-pyrazol-4-yl)-(4-methyl-2-oxazol-2-yl-phenyl)-methanone CAS 1231566-89-4
| CAS No. | 1231566-89-4 |
| Molecular Formula | C16H15N3O3 |
| Molecular Weight | 297.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 297.31 g/mol gives (1-Ethyl-5-hydroxy-1H-pyrazol-4-yl)-(4-methyl-2-oxazol-2-yl-phenyl)-methanone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (1-Ethyl-5-hydroxy-1H-pyrazol-4-yl)-(4-methyl-2-oxazol-2-yl-phenyl)-methanone (CAS 1231566-89-4), a certified reference material (molecular formula C16H15N3O3, MW 297.31 g/mol) for analytical method development and quality control.
Structurally, (1-Ethyl-5-hydroxy-1H-pyrazol-4-yl)-(4-methyl-2-oxazol-2-yl-phenyl)-methanone (C16H15N3O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 297.31 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (1-Ethyl-5-hydroxy-1H-pyrazol-4-yl)-(4-methyl-2-oxazol-2-yl-phenyl)-methanone 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.
Physical & Chemical Properties
| Molecular Formula | C16H15N3O3 |
| Molecular Weight | 297.31 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.) | 1990 |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
- Ethyl 6-hydroxy-3-methyl-1-phenyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1160246-14-9)
- 3-Hydroxy-2-(4-methyl-2-oxazol-2-yl-benzoyl)-cyclohex-2-enone (CAS 1231580-55-4)
- 2-(1-Benzyl-3-hydroxy-2-oxoindolin-3-yl)acetic acid (CAS 13672-23-6)
- 5-Hydroxy-4-(2-((o-tolyloxy)methyl)phenyl)isoxazol-3(2H)-one (CAS 185337-43-3)
- 5-Hydroxy-7-methoxy-3-(4-methoxyphenyl)quinolin-4(1H)-one (CAS 190774-08-4)
- 1-Benzyl-4-hydroxy-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid ethyl ester (CAS 30720-10-6)
- 2-(5-Hydroxy-4-methyl-3-phenyl-4,5-dihydroisoxazol-5-yl)benzoic acid (CAS 63826-30-2)
- 2-Hydroxy-5-oxo-7-(m-tolyl)-5,6,7,8-tetrahydroquinoline-3-carboxylic acid (CAS 945202-24-4)
Recommended Standards
- Tert-butyl 3-(3,3,3-trifluoro-2-hydroxypropyl)piperidine-1-carboxylate (CAS 1228631-22-8)
- tert-Butyl 4-(3,3,3-trifluoro-2-hydroxypropyl)piperidine-1-carboxylate (CAS 1228631-10-4)
- N-((3-Methyl-1,2,4-oxadiazol-5-yl)methyl)-2-(naphthalen-2-yloxy)acetamide (CAS 1235092-36-0)
- N-(1-(2-Hydroxyethyl)-3-phenyl-1H-pyrazol-5-yl)furan-2-carboxamide (CAS 1226453-85-5)
- Leu-Enkephalin (sulfated) (CAS 80632-52-6)
- n-((1h-Imidazol-2-yl)methyl)-3-ethynylaniline (CAS 1250690-97-1)
- 5-(Difluoromethyl)-2,3-difluoro-4-nitropyridine (CAS 1806022-29-6)
- 1-(3,5-Dimethyl-4H-1,2,4-triazol-4-yl)-3-ethylurea (CAS 364609-44-9)
- Methyl 2,5-dichloro-3-methoxybenzoate (CAS 165377-90-2)
- (4-chlorophenyl)(2-methoxyphenyl)methanone (CAS 78589-10-3)
- N-Allyl-2-iodo-N-(prop-1-yn-1-yl)benzamide (CAS 646029-29-0)
- 2-(2-Phenyl-1,3-oxazol-4-yl)Ethylamine (CAS 803641-67-0)
- Ethyl 3-Piperidylacetate Hydrochloride (CAS 16780-05-5)
- Galanin Message Associated Peptide (44-59) amide (CAS 125455-59-6)
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