5-Fluoro-2,6-dihydroxynicotinamide CAS 71765-03-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71765-03-2 |
| Molecular Formula | C6H5FN2O3 |
| Molecular Weight | 172.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Fluoro-2,6-dihydroxynicotinamide (CAS 71765-03-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H5FN2O3. Molecular weight: 172.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H5FN2O3 |
| Molecular Weight | 172.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; 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.) | 1977 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluoro Standards
- 5-Fluoro-4-methyl-3-nitropyridin-2-ol (CAS 1003711-68-9)
- 5-Fluoro-2-methyl-4-nitropyridine 1-Oxide (CAS 113209-88-4)
- 5-Fluoro-3-methoxy-2-nitropyridine (CAS 1211528-10-7)
- 5-Fluoro-2-methoxy-3-nitropyridine (CAS 1211534-27-8)
- 3-Fluoro-5-methoxy-2-nitropyridine (CAS 1211589-68-2)
- 3-Fluoro-2-methoxy-5-nitropyridine (CAS 1279814-95-7)
- 4-Fluoro-3,5-dihydroxybenzoic acid (CAS 1378521-08-4)
- 3-Fluoro-5-methyl-4-nitropyridine 1-oxide (CAS 13958-88-8)
Recommended Standards
- 5-(Trifluoromethyl)picolinonitrile (CAS 95727-86-9)
- 5-Fluoro-4-methoxy-2-nitropyridine (CAS 2306270-56-2)
- 4-fluoro-2,3-dihydroxybenzoic acid (CAS 823797-30-4)
- Benzyl ((1-(2-aminoacetyl)piperidin-3-yl)methyl)(isopropyl)carbamate (CAS 1353978-66-1)
- 2-(Ethylamino)-6-methylpyrimidine-4-carboxylic acid (CAS 1150644-39-5)
- Acetylcysteine Impurity 46 Trifluoroacetic acid (CAS 282727-77-9(Free Base))
- Benzyl ((3-fluoropyrrolidin-3-yl)methyl)carbamate hydrochloride (CAS 1422344-31-7)
- (3-(Methylsulfonyl)pyrrolidin-1-yl)(1-(thiophen-2-yl)cyclopentyl)methanone (CAS 1448029-54-6)
- (S)-2-(1,3-Dioxo-1,3-Dihydro-isoindol-2-yl)-pentanoyl chloride (CAS 908129-46-4)
- Mast Cell Degranulating (MCD) Peptide (CAS 32908-73-9)
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 13829788188 / jacky.chen@cato-chem.com