Methyl 3-(benzyloxy)-4-chloro-5-methoxythiophene-2-carboxylate CAS 1774902-84-9
| CAS No. | 1774902-84-9 |
| Molecular Formula | C14H13ClO4S |
| Molecular Weight | 312.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Methyl 3-(benzyloxy)-4-chloro-5-methoxythiophene-2-carboxylate 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.
Methyl 3-(benzyloxy)-4-chloro-5-methoxythiophene-2-carboxylate (CAS 1774902-84-9), molecular formula C14H13ClO4S and molecular weight 312.77 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 3-(benzyloxy)-4-chloro-5-methoxythiophene-2-carboxylate (C14H13ClO4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 312.77 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C14H13ClO4S |
| Molecular Weight | 312.77 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-Amino-3-chloro-N-(3-methoxyphenyl)benzenesulfonamide (CAS 1553597-81-1)
- (Z)-2-(4-(4-chlorophenyl)thiazol-2-yl)-3-(furan-2-yl)acrylonitrile (CAS 312758-25-1)
- 2-(2-Chloro-4-fluorophenoxy)-N-(2-cyano-3-methylbutan-2-yl)propanamide (CAS 852860-16-3)
- N-Benzyl-5-chloro-4-hydroxy-N-methylpyridine-3-sulfonamide (CAS 1352525-91-7)
- N,N-Dimethyl-1-(methylamino)cyclopropanecarboxamide (CAS 1956382-44-7)
- 2-(tert-butyl)-1,3-dimethyl-3H-benzo[d]imidazol-1-ium tetrafluoroborate (CAS 649550-15-2)
- 3-Hydroxymethyl-6-iodo 1h-indazole (CAS 1082041-29-9)
- 2-Butylpyrimidine (CAS 61327-65-9)
- Benzyl (S)-(1-(chlorosulfonyl)propan-2-yl)carbamate (CAS 1140948-95-3)
- N-Methyl-1-(methylsulfanyl)-2-nitro-1-ethylenamine (CAS 168127-08-0)
- 5-Bromo-2-methoxy-4,6-dimethylnicotinonitrile (CAS 113893-02-0)
- Ethyl 2-fluoro-4-(3-nitrophenyl)benzoate (CAS 1365271-87-9)
- Ivosidenib Impurity 2 (CAS CATO-C4X-30272)
- Semaglutide impurity 67 (CAS CATO-C4X-222667)
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