2-(Benzofuran-2-carboxamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid CAS 315679-45-9
| CAS No. | 315679-45-9 |
| Molecular Formula | C18H15NO4S |
| Molecular Weight | 341.38 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 2-(Benzofuran-2-carboxamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid.
2-(Benzofuran-2-carboxamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid (CAS 315679-45-9), molecular formula C18H15NO4S and molecular weight 341.38 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(Benzofuran-2-carboxamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid (C18H15NO4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 341.38 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 2-(Benzofuran-2-carboxamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid 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 | C18H15NO4S |
| Molecular Weight | 341.38 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 |
| 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 |
Related Benzofuran Standards
- 1-(4-(Benzofuran-2-yl)thiazol-2-yl)-3-(thiophen-2-yl)urea (CAS 1206988-80-8)
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- Ethyl 2-(benzofuran-2-carboxamido)-4,5-dimethylthiophene-3-carboxylate (CAS 302803-44-7)
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Recommended Standards
- 2-(2-(4-(4-Methoxyphenoxy)phenyl)thiazol-4-yl)acetic acid (CAS 938120-36-6)
- 2,3-Dimethoxy-N-(5-phenyl-1,3,4-thiadiazol-2-yl)benzamide (CAS 391862-38-7)
- 2-(2-((5-Acetyl-4-methylpyrimidin-2-yl)thio)ethyl)isoindoline-1,3-dione (CAS 383147-99-7)
- 2,5-Dioxopyrrolidin-1-yl 5-(2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoate (CAS 85718-04-3)
- 6,7-Dihydro-5H-cyclopenta[d]pyrimidine-6-carboxylic acid (CAS 1780283-33-1)
- 3-Chloro-5-(methylthio)-1,2,4-triazine (CAS 1247802-89-6)
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- Ethyl 3-bromo-5-chloro-1-(phenylsulfonyl)-1H-indole-2-carboxylate (CAS 881924-59-0)
- Boc-DL-beta-Leucine (CAS 248924-39-2)
- 2-(1-(Aminomethyl)cyclopentyl)butan-2-ol (CAS 1509221-54-8)
- Oleic acid-1,2,3,7,8,9,10-<SUP>13</SUP>C<SUB>7</SUB> (CAS 1173097-64-7)
- 1-N-[5-(trifluoromethyl)pyridin-2-yl]benzene-1,4-diamine dihydrochloride (CAS 1354950-89-2)
- 2-((4-Oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidin-6-yl)thio)-N-(o-tolyl)acetamide (CAS 878066-42-3)
- Amyloid Precursor Frameshift Mutant C-Terminal Peptide trifluoroacetate salt (CAS 189125-14-2)
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