6-Chloro-2-oxo-2h-chromene-3-carbonitrile CAS 28447-81-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28447-81-6 |
| Molecular Formula | C10H4ClNO2 |
| Molecular Weight | 205.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 6-Chloro-2-oxo-2h-chromene-3-carbonitrile (CAS 28447-81-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C10H4ClNO2. Molecular weight: 205.60 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C10H4ClNO2 |
| Molecular Weight | 205.60 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 5-Cyanobenzofuran-2-carbonyl chloride (CAS 84102-83-0)
- Ornidazole Impurity 14 (CAS 116989-52-7)
- 4-Chlorotetrazolo[1,5-a]quinoxaline (CAS 59866-06-7)
- 2-(4-Phenylcyclohexyl)ethan-1-amine hydrochloride (CAS 1195262-94-2)
- OAAc (CAS 2016-40-2)
- Cefixime Impurity 53 (CAS CATO-C4X-113953)
- Icatibant Acetate (CAS 138614-30-9)
- (S)-2-amino-3-hydroxy-3-methylbutanoic acid hydrochloride (CAS 2231249-10-6)
- (1-Amino-1H-benzo[d]imidazol-2-yl)methanol (CAS 156576-15-7)
- Semaglutide impurity 67 (CAS CATO-C4X-222667)
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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