(E)-3-(5-fluoro-2-hydroxyphenyl)acrylic acid CAS 75487-91-1
| CAS No. | 75487-91-1 |
| Molecular Formula | C9H7FO3 |
| Molecular Weight | 182.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 182.15 g/mol gives (E)-3-(5-fluoro-2-hydroxyphenyl)acrylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (E)-3-(5-fluoro-2-hydroxyphenyl)acrylic acid (CAS 75487-91-1), a certified reference material (molecular formula C9H7FO3, MW 182.15 g/mol) for analytical method development and quality control.
Structurally, (E)-3-(5-fluoro-2-hydroxyphenyl)acrylic acid (C9H7FO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 182.15 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures (E)-3-(5-fluoro-2-hydroxyphenyl)acrylic acid 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 | C9H7FO3 |
| Molecular Weight | 182.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-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 |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | F-containing |
Related E Standards
- 4-Fluoro-5-nitroindoline (CAS 1003858-68-1)
- Methyl 4-fluoro-2-formylbenzoate (CAS 106014-25-9)
- 5-Fluoro-2,3-dihydrobenzo[b][1,4]dioxine-6-carbaldehyde (CAS 1071510-50-3)
- Methyl 4-fluoro-3-formylbenzoate (CAS 1093865-65-6)
- 6-Fluoro-1-methoxy-1H-benzo[d]imidazol-2(3H)-one (CAS 113051-86-8)
- 5-Fluoro-6-methoxy-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190316-17-6)
- 4-Fluoro-6-methoxy-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190321-48-2)
- 4-Fluoro-5-methoxy-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190322-36-1)
Recommended Standards
- (E)-3-(3-fluoro-4-hydroxyphenyl)acrylic acid (CAS 56926-74-0)
- 2-(3-Fluoro-4-methylphenyl)-2-oxoacetic acid (CAS 890097-96-8)
- (E)-3-(3-fluoro-2-hydroxyphenyl)acrylic acid (CAS 682805-04-5)
- 2-(4-fluoro-3-methylphenyl)-2-oxoacetic acid (CAS 890097-97-9)
- 2-Fluorophenyl Chloroformate (CAS 70093-67-3)
- Dicamba D3 (methoxy D3) (CAS 349553-95-3)
- 2,2,2-Trifluoroethyl (1-(2-amino-2-oxoethyl)-1h-pyrazol-4-yl)carbamate (CAS 1251924-74-9)
- 1-Cyclohexylpyrrolidine-2-carboxylic acid (CAS 862902-34-9)
- mPEG12-amine (CAS 869718-87-6)
- 1-Ethylamino-2-methyl-propan-2-ol (CAS 73825-96-4)
- 2-((tert-Butoxycarbonyl)amino)-2-(spiro[2.5]octan-6-yl)acetic acid (CAS 2272912-96-4)
- Ethyl 5-cyclopentyl-1,3,4-thiadiazole-2-carboxylate (CAS 1330752-17-4)
- Niraparib Impurity 66 (CAS CATO-C4X-232966)
- Insulin Glargine (CAS 160337-95-1)
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 18665070610 / Nicole.chen@cato-chem.com