Ethyl 2-(1,3-dioxoisoindolin-2-yl)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate CAS 81930-79-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81930-79-2 |
| Molecular Formula | C19H17NO4S |
| Molecular Weight | 355.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 2-(1,3-dioxoisoindolin-2-yl)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 81930-79-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H17NO4S. Molecular weight: 355.41 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H17NO4S |
| Molecular Weight | 355.41 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.) | 1980 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Ethyl 1-benzyl-4-(4-nitrophenyl)pyrrolidine-3-carboxylate (CAS 306305-35-1)
- Fmoc-L-thioproline (CAS 423719-54-4)
- 8-(5-Acetylthiophen-2-yl)-2-morpholino-4H-chromen-4-one (CAS 503468-91-5)
- 3-[4-(chlorosulfonyl)-2-fluorophenoxy]propanoic acid (CAS 1016831-69-8)
- 5-(((3-Bromo-4-hydroxybenzyl)amino)methyl)pyrrolidin-2-one (CAS 1463973-56-9)
- N-(but-2-yn-1-yl)cyclohexanamine (CAS 111831-93-7)
- 5-Bromo-4-ethyl-3-(4-methoxyphenyl)pyridin-2-amine (CAS 1956334-97-6)
- 3-Methyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyridine-8-carboxylic acid (CAS 1190392-06-3)
- (2s,3s)-2-(Carbamoylamino)-3-methylpentanoic acid (CAS 26117-19-1)
- Insulin Degludec Impurity 25 (CAS CATO-C4X-215725)
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