(2-Fluoro-4,5-dimethoxyphenyl)methanol CAS 79474-33-2
| CAS No. | 79474-33-2 |
| Molecular Formula | C9H11FO3 |
| Molecular Weight | 186.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
(2-Fluoro-4,5-dimethoxyphenyl)methanol (CAS 79474-33-2), molecular formula C9H11FO3 and molecular weight 186.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H11FO3, (2-Fluoro-4,5-dimethoxyphenyl)methanol contains a carboxylic acid 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 186.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H11FO3 |
| Molecular Weight | 186.18 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.) | 1979 |
| Halogen Content | F-containing |
Related Fluoro Standards
- 1-(2-Fluoro-ethyl)-1h-pyrazole-3-carboxylic acid ethyl ester (CAS 1198437-43-2)
- (2-Fluoro-3,5-dimethoxyphenyl)methanol (CAS 1208429-54-2)
- 2-Fluoro-1-methoxy-4-methoxymethoxybenzene (CAS 133788-99-5)
- 3-Fluoro-1,5-dioxaspiro[5.5]undec-3-en-2-one (CAS 134878-53-8)
- (5-Fluoro-2,3-dimethoxyphenyl)methanol (CAS 1378794-80-9)
- (4-Fluoro-2,6-dimethoxyphenyl)methanol (CAS 1806533-20-9)
- 2-(1-Ethyl-5-fluoro-3-methyl-1H-pyrazol-4-yl)acetic acid (CAS 1823818-15-0)
- ethyl 6-fluoro-3-oxo-bicyclo[3.1.0]hexane-6-carboxylate (CAS 1823940-37-9)
Recommended Standards
- (2-Fluoro-3,4-dimethoxyphenyl)methanol (CAS 96994-71-7)
- 1-(Tert-butyl)-4-fluoro-1H-pyrazole-3-carboxylic acid (CAS 2388488-24-0)
- tert-Butyl 4-fluoro-1H-pyrazole-1-carboxylate (CAS 1934828-25-7)
- 1-Fluoro-3-methoxy-2-(methoxymethoxy)benzene (CAS 2179038-45-8)
- SnAPTM reagent (CAS 1452829-00-3)
- (2E)-3-(3-Bromo-4-methylphenyl)prop-2-enoic acid (CAS 58586-56-4)
- 1-(Cyclopropylmethyl)cyclopropanemethanamine Hydrochloride (CAS 1439899-57-6)
- Vildagliptin Impurity 71 (CAS CATO-C4X-110071)
- 2-Amino-6-methyl-5,6,7,8-tetrahydro-1,6-naphthyridine-3-carboxylic acid (CAS 1334498-77-9)
- 2,2'-(Methylenedisulfonyl)diacetic acid (CAS 62634-18-8)
- 3-(P-tolyloxy)propanenitrile (CAS 25268-01-3)
- 2-Bromo-1-(4-bromophenyl)ethanol (CAS 58777-84-7)
- (3,5-Dimethylcyclohexyl)methanamine (CAS 859946-83-1)
- Tirzepatide Impurity 38 (CAS CATO-C4X-324038)
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