Methyl 3-(4-methylbenzenesulfonyl)-2-oxo-2H-chromene-6-carboxylate CAS 895645-57-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 895645-57-5 |
| Molecular Formula | C18H14O6S |
| Molecular Weight | 358.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-(4-methylbenzenesulfonyl)-2-oxo-2H-chromene-6-carboxylate (CAS 895645-57-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H14O6S. Molecular weight: 358.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H14O6S |
| Molecular Weight | 358.37 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-Oxo-2-(3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)ethyl 2-(methylthio)nicotinate (CAS 380487-89-8)
- N-(4-(N-(5-Phenyl-1,3,4-oxadiazol-2-yl)sulfamoyl)phenyl)acetamide (CAS 63776-59-0)
- 2-Hydroxy-6-[(3-methylphenyl)sulfamoyl]quinoline-4-carboxylic acid (CAS 721418-33-3)
- (2E)-3-(2,4-Dimethylphenyl)-N-(2-fluorophenyl)prop-2-enamide (CAS 331462-05-6)
- 4-(3-Chloro-5-((4-cyanophenyl)amino)phenoxy)-3,5-dimethylbenzonitrile (CAS 1242268-27-4)
- 7-methoxy-2,3-dihydro-1,3-benzothiazol-2-one (CAS 96489-52-0)
- tert-Butyl 2-bromo-1-methyl-6,7-dihydro-1H-imidazo[4,5-c]pyridine-5(4H)-carboxylate (CAS 1823271-72-2)
- tert-Butyl (7-azaspiro[3.5]nonan-1-yl)carbamate (CAS 1354950-49-4)
- 4-(2-Hydroxyethyl)-2,5-dimethyl-1-(methylsulfonyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 866039-68-1)
- Peptide Impurity 64 (CAS CATO-CPTD788964)
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