[2,5-Dimethyl-4-oxazol-2-yl-3-(propane-1-sulfonyl)-phenyl]-(1-ethyl-5-hydroxy-1H-pyrazol-4-yl)-methanone CAS 1231571-33-7
| CAS No. | 1231571-33-7 |
| Molecular Formula | C20H23N3O5S |
| Molecular Weight | 417.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including [2,5-Dimethyl-4-oxazol-2-yl-3-(propane-1-sulfonyl)-phenyl]-(1-ethyl-5-hydroxy-1H-pyrazol-4-yl)-methanone.
CATO supplies [2,5-Dimethyl-4-oxazol-2-yl-3-(propane-1-sulfonyl)-phenyl]-(1-ethyl-5-hydroxy-1H-pyrazol-4-yl)-methanone (CAS 1231571-33-7), a certified reference material (molecular formula C20H23N3O5S, MW 417.48 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H23N3O5S, [2,5-Dimethyl-4-oxazol-2-yl-3-(propane-1-sulfonyl)-phenyl]-(1-ethyl-5-hydroxy-1H-pyrazol-4-yl)-methanone contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 417.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), [2,5-Dimethyl-4-oxazol-2-yl-3-(propane-1-sulfonyl)-phenyl]-(1-ethyl-5-hydroxy-1H-pyrazol-4-yl)-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 | C20H23N3O5S |
| Molecular Weight | 417.48 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
- [2,5-Dimethyl-3-oxazol-2-yl-4-(propane-1-sulfonyl)-phenyl]-(1-ethyl-5-hydroxy-1H-pyrazol-4-yl)-methanone (CAS 1231565-77-7)
- 2-(3-(2,5-Dimethyl-1H-pyrrol-1-yl)thiophen-2-yl)-6-(4-fluorophenyl)-5-methylpyrazolo[1,5-a]pyrimidin-7-amine (CAS 865657-86-9)
- 1-(7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)methanesulfonamide (CAS 315694-24-7)
- 2,5-Dimethyl-1-[5-(morpholine-4-sulfonyl)-2-(pyrrolidin-1-yl)phenyl]-1H-pyrrole-3-carbaldehyde (CAS 716373-76-1)
- 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-isopropylphenyl)-N-methylthiophene-3-sulfonamide (CAS 1291486-51-5)
- N-[2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)thiophen-3-yl]-N-methyl-4-(propan-2-yl)benzene-1-sulfonamide (CAS 1325303-37-4)
- N-(2-(3,5-dimethyl-1H-pyrazole-1-carbonyl)thiophen-3-yl)-N,2,4,6-tetramethylbenzenesulfonamide (CAS 1325306-19-1)
- N-[2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)thiophen-3-yl]-N-methyl-4-propylbenzene-1-sulfonamide (CAS 1325306-95-3)
Recommended Standards
- Methyl (2Z)-3-[(2,3-dihydro-1,4-benzodioxin-6-yl)amino]-2-[4-(propan-2-yl)benzenesulfonyl]prop-2-enoate (CAS 1327175-23-4)
- N-(4-Methoxyphenyl)-2-((4-phenyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 113518-49-3)
- Methyl (2Z)-3-[(2H-1,3-benzodioxol-5-yl)amino]-2-(4-tert-butylbenzenesulfonyl)prop-2-enoate (CAS 1327179-50-9)
- 4-Fluoro-N-(6-((4-oxo-4-(thiazol-2-ylamino)butyl)thio)pyridazin-3-yl)benzamide (CAS 1105218-91-4)
- 3-[(3-Methyl-4-nitrophenoxy)methyl]pyrrolidinehydrochloride (CAS 1220029-83-3)
- 1-(3-(Trifluoromethyl)pyridin-2-yl)cyclopropan-1-amine dihydrochloride (CAS 1384265-51-3)
- 3-azabicyclo[3.2.2]nonane;hydrochloride (CAS 5597-41-1)
- 2-Hydroxybenzo[d]thiazole-6-carboxylic Acid (CAS 99615-68-6)
- 1-Butyl-1h-indol-4-amine (CAS 1340401-29-7)
- 3-(Bromomethyl)-2-(trifluoromethyl)-1,1'-biphenyl (CAS 2323625-45-0)
- 3-(Methanesulfonylsulfanyl)butan-2-ol (CAS 2417370-86-4)
- Gemcitabine Impurity 22 (CAS 95058-77-8)
- (3-Bromophenyl)diisopropylphosphine oxide (CAS 60398-87-0)
- Tirzepatide Impurity 24 X TFA Salt (CAS CATO-C4X-324024)
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