Diethyl 2-(thiophen-3-yl)malonate CAS 37784-67-1
| CAS No. | 37784-67-1 |
| Molecular Formula | C11H14O4S |
| Molecular Weight | 242.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Diethyl 2-(thiophen-3-yl)malonate 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.
CATO supplies Diethyl 2-(thiophen-3-yl)malonate (CAS 37784-67-1), a certified reference material (molecular formula C11H14O4S, MW 242.29 g/mol) for analytical method development and quality control.
Structurally, Diethyl 2-(thiophen-3-yl)malonate (C11H14O4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, 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 242.29 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C11H14O4S |
| Molecular Weight | 242.29 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Sulfur Atoms | 1 |
Related Diethyl Standards
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- 5-Chloro-3-ethyl-1-methyl-1H-pyrazole-4-carboxylic acid (CAS 28544-45-8)
- (R)-2-(2-fluorophenyl)-2-(methylamino)ethan-1-ol (CAS 1336147-69-3)
- 4-(Chloromethyl)-5-(trifluoromethyl)oxazole (CAS 1823901-92-3)
- 2-(Chloromethyl)-7-iodobenzo[d]oxazole (CAS 1806326-57-7)
- (E)-3-(3-bromophenyl)-N-(2,4-difluorophenyl)acrylamide (CAS 647031-67-2)
- Methyl 4-phenyl-1h-pyrrole-3-carboxylate (CAS 40167-34-8)
- His-Aib-Semaglutide (CAS CATO-C4X-2226220)
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