Methyl 2-(2-chloroacetamido)-4-(4-methoxyphenyl)thiophene-3-carboxylate CAS 667407-72-9
| CAS No. | 667407-72-9 |
| Molecular Formula | C15H14ClNO4S |
| Molecular Weight | 339.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Methyl 2-(2-chloroacetamido)-4-(4-methoxyphenyl)thiophene-3-carboxylate.
Methyl 2-(2-chloroacetamido)-4-(4-methoxyphenyl)thiophene-3-carboxylate (CAS 667407-72-9), molecular formula C15H14ClNO4S and molecular weight 339.79 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 2-(2-chloroacetamido)-4-(4-methoxyphenyl)thiophene-3-carboxylate (C15H14ClNO4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 339.79 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.
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 Methyl 2-(2-chloroacetamido)-4-(4-methoxyphenyl)thiophene-3-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.
Physical & Chemical Properties
| Molecular Formula | C15H14ClNO4S |
| Molecular Weight | 339.79 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- Benzyl (4-(2-chloroacetamido)cyclohexyl)(methyl)carbamate (CAS 1353956-46-3)
- Ethyl 3-(2-chloroacetamido)-5,6-dimethoxy-1H-indole-2-carboxylate (CAS 843619-70-5)
- Ethyl 2-(2-chloroacetamido)-4-(p-tolyl)thiophene-3-carboxylate (CAS 138098-81-4)
- Ethyl 2-(2-chloroacetamido)-4-methyl-5-phenylthiophene-3-carboxylate (CAS 731820-85-2)
- Ethyl 2-(2-chloroacetamido)-5-methyl-4-phenylthiophene-3-carboxylate (CAS 565179-42-2)
- Methyl 2-(2-chloroacetamido)-4-(2,5-dimethylphenyl)thiophene-3-carboxylate (CAS 667407-71-8)
- Methyl 2-(2-chloroacetamido)-4-(3,4-dimethylphenyl)thiophene-3-carboxylate (CAS 610275-54-2)
- Ethyl 2-(2-chloroacetamido)-4-(4-fluorophenyl)thiophene-3-carboxylate (CAS 306280-84-2)
Recommended Standards
- Ethyl 4-((4-chlorophenyl)sulfonamido)benzoate (CAS 293763-00-5)
- Methyl 2-{[(2-chlorophenyl)sulfonyl]amino}-2-phenylacetate (CAS 251097-26-4)
- 5-(Benzyl-methyl-sulfamoyl)-2-chloro-benzoic acid (CAS 380193-44-2)
- Methyl 2-{[(4-chlorophenyl)sulfonyl]amino}-2-phenylacetate (CAS 454473-65-5)
- Ethyl 7-chloro-5-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 6324-16-9)
- Potassium iodate (CAS 7758-05-6)
- Ethyl 5-bromo-3-(chlorosulfonyl)-1H-indole-2-carboxylate (CAS 2757314-98-8)
- 1,8-Dihydroxy-4-((2-(2-hydroxyethyl)phenyl)amino)-5-nitroanthracene-9,10-dione (CAS 82457-17-8)
- Lansoprazole Impurity 35 (CAS 1797131-12-4)
- Picloram-isooctyl ester (CAS 26952-20-5)
- n-(4-Nitrophenyl)-3,4-dihydro-2h-1-benzopyran-4-amine (CAS 1152610-85-9)
- Apixaban Impurity 58 (CAS CATO-C4X-108858)
- methyl 2-methyl-2-[(2-methylpropyl)amino]propanoate (CAS 1157810-14-4)
- β-Asp9-Tirzepatide (CAS CATO-CPTD788931)
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