(4r)-6,8-Difluoro-3,4-dihydro-2h-1-benzopyran-4-ol CAS 1270293-73-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1270293-73-6 |
| Molecular Formula | C9H8F2O2 |
| Molecular Weight | 186.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4r)-6,8-Difluoro-3,4-dihydro-2h-1-benzopyran-4-ol (CAS 1270293-73-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H8F2O2. Molecular weight: 186.16 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H8F2O2 |
| Molecular Weight | 186.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
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Recommended Standards
- Efinaconazole Impurity 14 (CAS 126918-16-9)
- (S)-6,8-Difluorochroman-4-ol (CAS 1270301-86-4)
- 4-Ethoxy-2,3-difluorobenzaldehyde (CAS 126162-95-6)
- 1-(Methylthio)-3-phenylpropan-2-one (CAS 86568-66-3)
- 6-Amino-1H-indole-4-carbonitrile (CAS 885518-24-1)
- (2,2-Dichloro-1-methylcyclopropyl)benzene (CAS 3591-42-2)
- N-(2-carbamothioyl-2-methylethyl)benzamide (CAS 1248302-41-1)
- (1-Cyclopropyl-1H-imidazol-5-yl)methanol hydrochloride (CAS 1609401-02-6)
- 4-Amino-N-(6-methoxypyridazin-3-yl)benzenesulfonamide compound with (2R,3R,4R,5S)-6-(methylamino)hexane-1,2,3,4,5-pentaol (1:1) (CAS 56782-29-7)
- Casein Kinase II Receptor Peptide (CAS 198481-81-1)
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