Methyl 6-ethyl-2-(2-phenylacetamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate hydrochloride CAS 1177804-87-3
| CAS No. | 1177804-87-3 |
| Molecular Formula | C19H22N2O3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C19H22N2O3SHCl, Methyl 6-ethyl-2-(2-phenylacetamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate hydrochloride contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 394.91 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Methyl 6-ethyl-2-(2-phenylacetamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate hydrochloride (CAS 1177804-87-3), molecular formula C19H22N2O3SHCl and molecular weight 394.91 g/mol, is a CATO reference standard with documented purity and traceability.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C19H22N2O3S HCl |
| Molecular Weight | 394.91 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- N-[(Furan-2-yl)methyl]-6,7-dimethoxyquinazolin-4-amine (CAS 477855-30-4)
- Methyl 4-Acetamido-5-chloro-2-methoxy-3-nitrobenzoate (CAS 126463-85-2)
- (1S,2S)-cyclopentane-1,2-diol (CAS 63261-45-0)
- 2-β-D-Ribofuranosyl-4-thiazolecarboxylic Acid Ethyl Ester (CAS 95936-53-1)
- 1-(4-Aminophenyl)-7,8-dimethoxy-3H-benzo[d][1,2]diazepin-4(5H)-one (CAS 178616-26-7)
- 2-[2-(2,4-Dibromophenoxy)ethyl]piperidinehydrochloride (CAS 1220028-47-6)
- Palonosetron Impurity 24 (CAS 83721-32-8)
- Cefuroxime Open-ring Impurity 47 (CAS CATO-C4X-124547)
- 6-(Methylsulfonamido)pyridine-3-boronic Acid Pinacol Ester (CAS 1201644-40-7)
- KALA Amphipathic Peptide (CAS 187987-64-0)
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