319-03-9 4-FLUOROBENZENE-1,2-DICARBOXYLIC ANHYDRIDE 4-FLUOROPHTHALIC ACID ANHYDRIDE 4-Fluorophthalic anhydride 5-FLUORO-1,3-DIHYDRO-2-BENZOFURAN-1,3-DIONE 5-FLUORO-1,3-ISOBENZOFURANDIONE 5-FLUORO-2-BENZOFURAN-1,3-DIONE 5-FLUOROISOBENZOFURAN-1,3-DIONE AS02025 CAS 319-03-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 319-03-9 |
| Molecular Formula | C8H9FO3 |
| Molecular Weight | 172.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 319-03-9 4-FLUOROBENZENE-1,2-DICARBOXYLIC ANHYDRIDE 4-FLUOROPHTHALIC ACID ANHYDRIDE 4-Fluorophthalic anhydride 5-FLUORO-1,3-DIHYDRO-2-BENZOFURAN-1,3-DIONE 5-FLUORO-1,3-ISOBENZOFURANDIONE 5-FLUORO-2-BENZOFURAN-1,3-DIONE 5-FLUOROISOBENZOFURAN-1,3-DIONE AS02025 (CAS 319-03-9) pharmaceutical standards reference standard. Molecular formula: C8H9FO3. Molecular weight: 172.15 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H9FO3 |
| Molecular Weight | 172.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
Related FLUOROBENZENE Standards
- 2-Fluorobenzene-1,3,5-tricarbonitrile (CAS 13519-91-0)
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Recommended Standards
- ethyl 4-fluoro-5-methylfuran-2-carboxylate (CAS 2112992-17-1)
- (3,3,3-Trifluoroprop-1-en-2-yl)benzene, [1-(Trifluoromethyl)vinyl]benzene (3,3,3-trifluoroprop-1-en-2-yl)benzene 384-64-5 (CAS 384-64-5)
- 7-Fluoro-8-hydroxy-2-oxaspiro[3.5]Non-7-en-6-one (CAS 2227205-19-6)
- 3-dimethylphosphorylazetidine;hydrochloride (CAS 2580198-37-2)
- 1,3-Diphenyl-1h-pyrazol-4-amine (CAS 216854-39-6)
- Methyl 6-fluoro-4-hydroxy-2-naphthoate (CAS 1227258-79-8)
- 1-(cyclopropylmethyl)-2-ethyl-1H-imidazole-4-sulfonyl chloride (CAS 1343139-16-1)
- Ethyl 4-(dimethylamino)-3-(((methoxyamino)methylene)amino)thieno[2,3-b]pyridine-2-carboxylate (CAS 341967-24-6)
- Sodium 4-(5-chlorothiophen-2-yl)benzoate (CAS 290326-23-7)
- D-[Ser]8-Semaglutide (CAS CATO-C4X-2226207)
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