Ethyl 2-amino-5,7-dimethyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate CAS 1489983-53-0
| CAS No. | 1489983-53-0 |
| Molecular Formula | C13H19NO2S |
| Molecular Weight | 253.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 2-amino-5,7-dimethyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 1489983-53-0) is a high-purity analytical reference standard with the molecular formula C13H19NO2S and a molecular weight of 253.36 g/mol.
Structurally, Ethyl 2-amino-5,7-dimethyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (C13H19NO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. 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 253.36 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.
CATO manufactures Ethyl 2-amino-5,7-dimethyl-4,5,6,7-tetrahydrobenzo[b]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 | C13H19NO2S |
| Molecular Weight | 253.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
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Recommended Standards
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- 3-methoxy-4-(3-methoxypropoxy)aniline (CAS 1249721-94-5)
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- PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
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