Ethyl 3-fluoro-4-methoxybenzoate CAS 170645-87-1
| CAS No. | 170645-87-1 |
| Molecular Formula | C10H11FO3 |
| Molecular Weight | 198.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Ethyl 3-fluoro-4-methoxybenzoate (CAS 170645-87-1), molecular formula C10H11FO3 and molecular weight 198.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 3-fluoro-4-methoxybenzoate (C10H11FO3) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 198.19 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.
As a certified reference material (CRM), Ethyl 3-fluoro-4-methoxybenzoate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H11FO3 |
| Molecular Weight | 198.19 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2005 |
| Halogen Content | F-containing |
Related Ethyl Standards
- (3-Fluoro-2-propoxyphenyl)boronic acid (CAS 1010097-72-9)
- 2-Fluoro-N-methoxy-N,5-dimethylnicotinamide (CAS 1042986-01-5)
- 3-(3-Fluoro-2-methoxyphenyl)propanoic acid (CAS 1092460-70-2)
- Ethyl 3-fluoro-2-methoxybenzoate (CAS 1106304-72-6)
- 4-Fluoro-N-isopropyl-3-nitroaniline (CAS 1157073-95-4)
- 1-(5-Fluoro-2-methoxyphenyl)-2-methoxyethan-1-one (CAS 1158048-13-5)
- Ethyl 3-fluoro-5-methoxybenzoate (CAS 1214332-62-3)
- Ethyl 2-fluoro-3-methoxybenzoate (CAS 1214346-45-8)
Recommended Standards
- Ethyl 4-fluoro-2-methoxybenzoate (CAS 167758-90-9)
- 3-(4-fluorophenyl)-2-methoxypropanoic acid (CAS 1780028-28-5)
- 2-(2-Fluorophenoxy)butanoic acid (CAS 161790-23-4)
- 5-Fluoro-3,4-dimethoxy-2-methylbenzaldehyde (CAS 1780728-46-2)
- N'-propionylpropionohydrazide (CAS 1528-34-3)
- 4-Formyl-3,5-dimethylphenyl acetate (CAS 925441-90-3)
- 2,4-Difluoro-3-methoxybenzamide, 97% (CAS 479091-06-0)
- 7-Oxotridecanoic acid (CAS 92155-72-1)
- 2-Oxo-1,2,5,6,7,8-hexahydroquinoline-4-carboxylic acid (CAS 181021-86-3)
- N-(3-Cyanophenyl)-2,5-dimethylpyrrole (CAS 204142-42-7)
- CAS CATO-C3D-262515 (CAS CATO-C3D-262515)
- 2-(2-Quinoxalinylthio)acetic Acid (CAS 69001-90-7)
- 2-Methylmorpholine-4-carbohydrazonamide (CAS 56204-54-7)
- Semaglutide impurity 249 (CAS CATO-C4X-2226249)
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