2-(1,3-Benzodioxol-5-yl-6-Fluoro-3-Hydroxy-4H-Chromen-4-One CAS 4257-54-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4257-54-9 |
| Molecular Formula | C16H9FO5 |
| Molecular Weight | 300.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(1,3-Benzodioxol-5-yl-6-Fluoro-3-Hydroxy-4H-Chromen-4-One (CAS 4257-54-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H9FO5. Molecular weight: 300.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H9FO5 |
| Molecular Weight | 300.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | F-containing |
Related Benzodioxol Standards
- 3-(2H-1,3-benzodioxol-4-yl)propanoic acid (CAS 20974-68-9)
- 2-(2H-1,3-Benzodioxol-5-yl)-6-chloroimidazo[1,2-a]pyridine-3-carbaldehyde (CAS 893612-37-8)
- N-(1,3-Benzodioxol-5-ylmethyl)-N-(4,6-dimethylpyrimidin-2-yl)guanidine (CAS 675142-99-1)
- 3-(1,3-benzodioxol-5-yl)-N-(4-fluorobenzyl)acrylamide (CAS 1164510-31-9)
- 4-[1,3-Benzodioxol-5-yl(methylsulfonyl)amino]butanoic acid (CAS 1858254-97-3)
- 1024383-06-9 3-(2H-1,3-benzodioxol-5-yl)-1,6,6-trimethyl-4,5,6,7-tetrahydro-1H-indazol-4-one MS-9112 (CAS 1024383-06-9)
- 4-[(E)-3-(1,3-Benzodioxol-4-yl)-2-cyano-2-propenoyl]benzenecarbonitrile (CAS 900014-98-4)
- 5-{4-[(2H-1,3-benzodioxol-5-yl)methyl]piperazin-1-yl}-1H-1,2,4-triazol-3-amine (CAS 477851-41-5)
Recommended Standards
- 1-(4-Methoxyphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbohydrazide (CAS 618090-93-0)
- 2-(3-(Cyclohexylmethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2096333-64-9)
- 1-(2-Methoxyphenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbohydrazide (CAS 618091-02-4)
- 2,5-Dihydroxy-N1,N1,N4,N4-tetramethylterephthalamide (CAS 20877-00-3)
- 4-Methyl-[1,4]bipiperidinyl dihydrochloride (CAS 3543-23-5)
- Amcinonide (CAS 51022-69-6)
- 3'-(Benzyloxy)-[1,1'-biphenyl]-3-carboxylic acid (CAS 893736-29-3)
- 7-Fluoro-6-methoxyquinoline-3-carbonitrile (CAS 1452855-40-1)
- 1O8B70QB9P 53101-49-8 6-Hydroxy-2,5,7,8-tetramethyl-chroman-2-carboxylic acid, (+)- UNII-1O8B70QB9P 2H-1-Benzopyran-2-carboxylic acid, 3,4-dihydro-6-hydroxy-2,5,7,8-tetramethyl-, (2R)- 2H-1-Benzopyran-2-carboxylic acid, 3,4-dihydro-6-hydroxy-2,5,7,8-tetramethyl-, (R)- (+)-6-Hydroxy-2,5,7,8-tetramethyl-chroman-2-carboxylic acid (R)-(+)-6-Hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid (R)-Trolox (CAS 53101-49-8)
- Semaglutide Impurity 144 (CAS 394210-59-4)
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