2,4-Difluoro-3-hydroxybenzoic acid CAS 91659-08-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91659-08-4 |
| Molecular Formula | C7H4F2O3 |
| Molecular Weight | 174.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2,4-Difluoro-3-hydroxybenzoic acid (CAS 91659-08-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H4F2O3. Molecular weight: 174.10 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H4F2O3 |
| Molecular Weight | 174.10 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 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; 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.) | 1983 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 3,5-Difluoro-4-nitroaniline (CAS 122129-79-7)
- 2,4-Difluoro-5-nitroaniline (CAS 123344-02-5)
- 2,2-Difluoro-2-(pyrimidin-5-yl)acetic acid (CAS 1250738-18-1)
- 2,5-Difluoro-4-hydroxybenzoic acid (CAS 146781-23-9)
- 2,5-Difluoro-4-nitroaniline (CAS 1542-36-5)
- 2,5-Difluoro-3-nitroaniline (CAS 1699538-79-8)
- 2,3-Difluoro-4-hydroxybenzoic Acid (CAS 175968-39-5)
- 2,3-Difluoro-4-nitroaniline (CAS 1781140-23-5)
Recommended Standards
- 2,3-Difluoro-6-nitroaniline (CAS 211693-73-1)
- 2,4-Difluoro-5-hydroxybenzoic acid (CAS 91659-22-2)
- 2,3-Difluoro-5-hydroxybenzoic acid (CAS 749230-51-1)
- 3-(3,4-Difluorophenoxy)pyrrolidine (CAS 1184994-85-1)
- 2-Nitrobiphenyl (CAS 86-00-0)
- 3-((Benzyl(oxetan-3-ylmethyl)amino)methyl)aniline (CAS 1021392-84-8)
- 4-(2-Methylpropyl)-2-(pyrrolidin-2-yl)-1,3-oxazole dihydrochloride (CAS 2097932-71-1)
- Z-Val-Phe-OMe (CAS 4817-95-2)
- Diethyl Phthalate-d14 (CAS 99873-99-1)
- MOTS-c Peptide (CAS 1627580-64-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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