Diethyl 5-(benzofuran-2-carboxamido)-3-methylthiophene-2,4-dicarboxylate CAS 301304-89-2
| CAS No. | 301304-89-2 |
| Molecular Formula | C20H19NO6S |
| Molecular Weight | 401.43 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 Diethyl 5-(benzofuran-2-carboxamido)-3-methylthiophene-2,4-dicarboxylate.
Diethyl 5-(benzofuran-2-carboxamido)-3-methylthiophene-2,4-dicarboxylate (CAS 301304-89-2) is a high-purity analytical reference standard with the molecular formula C20H19NO6S and a molecular weight of 401.43 g/mol.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Diethyl 5-(benzofuran-2-carboxamido)-3-methylthiophene-2,4-dicarboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 401.43 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Diethyl 5-(benzofuran-2-carboxamido)-3-methylthiophene-2,4-dicarboxylate 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 | C20H19NO6S |
| Molecular Weight | 401.43 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 4-Nitroaniline (CAS 100-01-6)
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- Cy3 NHS ester (CAS 1032678-38-8)
- 4-Bromo-2-(((3-bromophenyl)imino)methyl)-6-methoxyphenol (CAS 414899-71-1)
- 1-(2-Chloroethyl)-4-fluorobenzene (CAS 332-43-4)
- Tert-butyl (S)-3-(2-oxoimidazolidin-1-yl)pyrrolidine-1-carboxylate (CAS 2227197-69-3)
- Methyl 3-fluoro-2-methyl-4-nitrobenzoate (CAS 1803852-80-3)
- (R)-N,2-Dihydroxypropanimidamide (CAS 1609388-33-1)
- Liraglutide Impurity 13 TFA Salt (CAS CATO-C4X-199213)
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