2-(4-Chlorophenyl)-5-methyloxazole-4-carboxamide CAS 51655-77-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 51655-77-7 |
| Molecular Formula | C11H9ClN2O2 |
| Molecular Weight | 236.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(4-Chlorophenyl)-5-methyloxazole-4-carboxamide (CAS 51655-77-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9ClN2O2. Molecular weight: 236.65 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9ClN2O2 |
| Molecular Weight | 236.65 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- 1-[(4-chlorophenyl)methyl]-1h-pyrazole-4-carboxylic acid (CAS 1006452-71-6)
- 1-[(3-chlorophenyl)methyl]-1h-pyrazole-4-carboxylic acid (CAS 1006494-84-3)
- 3-(4-Chlorophenyl)-1-methyl-1H-pyrazole-5-carboxylic Acid (CAS 1015868-48-0)
- 1-(3-Chlorophenyl)-3-methyl-1H-pyrazole-5-carboxylic acid (CAS 1020240-39-4)
- 3-(2-Chlorophenyl)-1-methyl-1H-pyrazole-5-carboxylic acid (CAS 1022508-61-7)
- 5-(4-Chlorophenyl)-2-methyl-3-furoic acid (CAS 111787-89-4)
- 5-(4-chlorophenyl)-4-methyl-1H-pyrazole-3-carboxylic acid (CAS 1146222-41-4)
- 1-(3-Chlorophenyl)-5-methyl-1h-pyrazole-3-carboxylic acid (CAS 1175972-08-3)
Recommended Standards
- 2-(4-Chlorophenyl)-2,3,3a,4-tetrahydro-6H-furo[3,4-c]pyrazol-6-one (CAS 61364-03-2)
- 2-(Chloromethyl)-4-oxo-1,4-dihydroquinoline-6-carboxamide (CAS 946755-57-3)
- 2-(4-Chlorophenyl)-1-(furan-2-yl)-2-hydroxyethanone (CAS 36715-39-6)
- Cyclohexaneacrylic acid methylester (CAS 705-95-3)
- 1-(4-Ethynylphenyl)-2,2,2-trifluoroethan-1-one (CAS 2228529-71-1)
- 2-(3-Isobutyl-4-oxo-3,4-dihydrophthalazin-1-yl)propanoic acid (CAS 1344687-94-0)
- 4-Chloro-5-methyl-2-phenyl-quinazoline (CAS 885277-13-4)
- 120681-05-2 2-Propenoyl chloride, 3-(2-fluorophenyl)-, (2E)- ACMC-20mp29 (CAS 120681-05-2)
- 1-(2,4-Dihydroxyphenyl)-2-(propylthio)ethan-1-one (CAS 1157208-30-4)
- Pancreatic Polypeptide (31-36), amide, human (CAS 74012-13-8)
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