Ethyl 2-(3-(4-methylpiperazin-1-yl)propanamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate dioxalate CAS 475041-00-0
| CAS No. | 475041-00-0 |
| Molecular Formula | C19H29N3O3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 2-(3-(4-methylpiperazin-1-yl)propanamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate dioxalate is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Ethyl 2-(3-(4-methylpiperazin-1-yl)propanamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate dioxalate (CAS 475041-00-0), molecular formula C19H29N3O3SC2H2O4 and molecular weight 469.55 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 2-(3-(4-methylpiperazin-1-yl)propanamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate dioxalate (C19H29N3O3SC2H2O4) 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 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 469.55 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures Ethyl 2-(3-(4-methylpiperazin-1-yl)propanamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate dioxalate 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 | C19H29N3O3S 2*C2H2O4 |
| Molecular Weight | 469.55 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 3-(1-Methylpiperazin-4-yl)-4-methylsulfonylaniline (CAS 1000018-41-6)
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Recommended Standards
- 5-Fluoro-8-methoxy-3,4-dihydronaphthalen-1(2h)-one (CAS 881190-26-7)
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- 4-Methoxy-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxylic acid (CAS 1105193-11-0)
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- 2-(1,3-Dioxoisoindolin-2-yl)-N,N-dimethylethane-1-sulfonamide (CAS 81428-07-1)
- Ethyl 2-(5-oxo-4-(4-(trifluoromethoxy)phenyl)-4,5-dihydro-1H-1,2,4-triazol-1-yl)acetate (CAS 866149-41-9)
- 5-(3-Fluoro-4-hydroxyphenyl)pyrimidin-2-ol (CAS 1111108-56-5)
- 2-(Bromomethyl)-5-(difluoromethyl)-3-fluoro-4-nitropyridine (CAS 1805196-80-8)
- Semaglutide-d8 Tetratrifluoroacetate (CAS CATO-C4X-222617)
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