5-(1-Ethyl-5-hydroxy-1H-pyrazole-4-carbonyl)-4-methanesulfonyl-2-oxazol-2-yl-benzonitrile CAS 1231643-51-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1231643-51-8 |
| Molecular Formula | C17H14N4O5S |
| Molecular Weight | 386.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(1-Ethyl-5-hydroxy-1H-pyrazole-4-carbonyl)-4-methanesulfonyl-2-oxazol-2-yl-benzonitrile (CAS 1231643-51-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H14N4O5S. Molecular weight: 386.38 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C17H14N4O5S |
| Molecular Weight | 386.38 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 5-(2-Hydroxy-6-oxo-cyclohex-1-enecarbonyl)-2-methanesulfonyl-4-oxazol-2-yl-benzonitrile (CAS 1231559-71-9)
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- Methyl 4-((7-hydroxy-5-((methoxycarbonyl)amino)-1H-pyrazolo[4,3-d]pyrimidin-1-yl)methyl)-3-methoxybenzoate (CAS 2410517-87-0)
Recommended Standards
- 2-[(3-Fluoro-4-methoxyphenyl)methyl]-4-(5-methyl-1,2,4-oxadiazol-3-yl)-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidine-1,3-dione (CAS 1775429-24-7)
- ((3aR,4R,6R,6aR)-6-(6-amino-9H-purin-9-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl sulfamate (CAS 112921-00-3)
- Carboxy-PEG4-phosphonic acid ethyl ester (CAS 1964503-39-6)
- 2,3,4,6-Tetra-O-benzyl-α-D-glucopyranosyl chloride (CAS 25320-59-6)
- 3-Methyl-3-azabicyclo[4.1.0]Heptan-6-amine (CAS 1896670-96-4)
- N'-(4-Methylbenzoyl)-2-(methylthio)nicotinohydrazide (CAS 786717-91-7)
- 1-(Methylsulfonyl)piperazine 2,2,2-trifluoroacetate (CAS 164331-39-9)
- Tofacitinib Impurity 205 (CAS 2459302-87-3)
- Daunorubicin EP Impurity B (Mixture of Diastereomers) (CAS CATO-C4X-19372)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com