7-Isothiocyanato-4-methyl-2H-chromen-2-one CAS 74802-03-2
| CAS No. | 74802-03-2 |
| Molecular Formula | C11H7NO2S |
| Molecular Weight | 217.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 7-Isothiocyanato-4-methyl-2H-chromen-2-one (CAS 74802-03-2), a certified reference material (molecular formula C11H7NO2S, MW 217.24 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H7NO2S, 7-Isothiocyanato-4-methyl-2H-chromen-2-one contains a nitrogen-containing heterocyclic scaffold, 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 217.24 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.
CATO manufactures 7-Isothiocyanato-4-methyl-2H-chromen-2-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H7NO2S |
| Molecular Weight | 217.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Isothiocyanato Standards
- 2-ISOTHIOCYANATO-7-METHOXYQUINOXALINE (CAS 1192814-23-5)
- 1-Isothiocyanato-8-(methylsulfenyl)-octane (CAS 4430-41-5)
- 1-Isothiocyanato-3-(trifluoromethoxy)benzene (CAS 471937-78-7)
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- Methyl 3-isothiocyanato-4-methylthiophene-2-carboxylate (CAS 81321-15-5)
- Ethyl isothiocyanato(phenyl)acetate (CAS 201139-10-8)
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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
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com