6-Fluoro-2H-chromen-2-one CAS 75487-82-0
| CAS No. | 75487-82-0 |
| Molecular Formula | C9H5FO2 |
| Molecular Weight | 164.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 6-Fluoro-2H-chromen-2-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
6-Fluoro-2H-chromen-2-one (CAS 75487-82-0), molecular formula C9H5FO2 and molecular weight 164.13 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H5FO2, 6-Fluoro-2H-chromen-2-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 164.13 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.
Physical & Chemical Properties
| Molecular Formula | C9H5FO2 |
| Molecular Weight | 164.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | F-containing |
Related Fluoro Standards
- 6-Fluoro-4H-chromen-4-one (CAS 105300-38-7)
- 7-fluoro-4H-chromen-4-one (CAS 1159979-17-5)
- 7-Fluoro-1-benzofuran-2-carbaldehyde (CAS 1369147-39-6)
- 5-Fluoro-4H-chromen-4-one (CAS 1386253-18-4)
- 5-Fluoro-2H-chromen-2-one (CAS 1562426-94-1)
- (4R)-4-Fluoro-L-glutamine (CAS 238418-71-8)
- 5-Fluoro-1-benzofuran-7-carbaldehyde (CAS 555155-08-3)
- 5-Fluoro-1H-indene-1,2(3H)-dione (CAS 207554-24-3)
Recommended Standards
- 6-Fluoro-1H-indene-1,2(3H)-dione (CAS 2305799-99-7)
- 6-Fluoro-7-benzofurancarboxaldehyde (CAS 555155-09-4)
- 5-Fluorobenzofuran-6-carbaldehyde (CAS 199391-71-4)
- 7-Fluoro-2H-chromen-2-one (CAS 71428-25-6)
- 7-(Trifluoromethyl)quinoline-3-carbohydrazide (CAS 1307238-41-0)
- 3-Fluoro-2-mercapto-6-(trifluoromethyl)pyridine (CAS 1214333-97-7)
- (4-(Ethylthio)furan-2-yl)(phenyl)methanol (CAS 1443326-14-4)
- 4-Hydroxy-6-methyl-1-benzofuran-3(2H)-one (CAS 929339-01-5)
- (1-(Bicyclo[2.2.1]heptan-2-ylmethyl)cyclopropyl)methanamine (CAS 1559607-16-7)
- 1,2-Difluoro-4-iodobenzene (stabilized with Copper chip) (CAS 64248-58-4)
- Isopropyl 2-(3-amino-4-methyl-1h-pyrazol-1-yl)acetate (CAS 1342061-55-5)
- 10,20-Dimethoxyhexacyclo[17.8.0.0^{2,11}.0^{3,8}.0^{13,17}.0^{22,27}]heptacosa-1(19),2,4,6,8,10,13(17),15,20,22,24,26-dodecaene (CAS 1417714-08-9)
- Bromfenac Impurity 67 (CAS CATO-C4X-200267)
- (Leu31,Pro3?)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 125580-28-1)
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