3,4-Difluoro-5-hydroxyaniline CAS 1356339-34-8
| CAS No. | 1356339-34-8 |
| Molecular Formula | C6H5F2NO |
| Molecular Weight | 145.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H5F2NO, 3,4-Difluoro-5-hydroxyaniline contains an amide 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 145.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 3,4-Difluoro-5-hydroxyaniline (CAS 1356339-34-8), a certified reference material (molecular formula C6H5F2NO, MW 145.11 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3,4-Difluoro-5-hydroxyaniline under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H5F2NO |
| Molecular Weight | 145.11 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Difluoro Standards
- (2,6-Difluoro-3-pyridyl)methanol (CAS 1105510-11-9)
- 3,5-Difluoro-2-methoxypyridine (CAS 1171918-06-1)
- 2,6-Difluoro-4-methoxypyridine (CAS 1184172-35-7)
- 3,5-Difluoro-4-methoxypyridine (CAS 1186195-24-3)
- 2,5-Difluoro-4-methoxypyridine (CAS 1210868-65-7)
- 3,6-Difluoro-2-methoxypyridine (CAS 1214323-06-4)
- 2,6-Difluoro-3-methoxypyridine (CAS 1214331-52-8)
- 2,3-Difluoro-6-methoxypyridine (CAS 1227564-48-8)
Recommended Standards
- 4-Amino-3,5-difluorophenol (CAS 135086-76-9)
- 5-Oxomorpholine-3-carboxylic acid (CAS 1367717-62-1)
- 2-Amino-4,6-difluorophenol (CAS 133788-83-7)
- 5-(Difluoromethyl)pyridin-3-ol (CAS 1393541-20-2)
- 6-Bromo-4-(2-(6-methylpyridin-2-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl)quinoline (CAS 476474-52-9)
- 3-(4-Chlorophenyl)pyrrolidine-2,5-dione (CAS 1628-19-9)
- 3-(6,8-Dichlorochroman-3-yl)acrylic acid (CAS 924861-56-3)
- Poly(oxy-1,2-ethanediyl), α-(1-oxododecyl)-ω-[3-(triethoxysilyl)propoxy]- (CAS 1041420-54-5)
- (2E)-1-(3-Bromophenyl)-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one (CAS 358656-15-2)
- 5-Amino-1-benzyl-N-(2-hydroxyethyl)-1H-1,2,3-triazole-4-carboxamide (CAS 126537-84-6)
- 1-(methylamino)-3-(2,3,4,5-tetrahydro-1H-3-benzazepin-3-yl)propan-2-ol (CAS 1423024-59-2)
- 2-imino-1,3-dimethylimidazolidin-4-one hydroiodide (CAS 56107-25-6)
- Parconazole HCl (CAS 62973-77-7)
- D-Pro31-Tirzepatide (CAS CATO-CPTD788905)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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