Ethyl 2-(3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamido)benzoate CAS 691866-93-0
| CAS No. | 691866-93-0 |
| Molecular Formula | C19H19N3O3S |
| Molecular Weight | 369.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 2-(3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamido)benzoate is closely related to a steroid 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.
CATO supplies Ethyl 2-(3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamido)benzoate (CAS 691866-93-0), a certified reference material (molecular formula C19H19N3O3S, MW 369.44 g/mol) for analytical method development and quality control.
Based on its molecular formula C19H19N3O3S, Ethyl 2-(3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamido)benzoate contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 369.44 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.
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-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamido)benzoate 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 | C19H19N3O3S |
| Molecular Weight | 369.44 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- Ethyl 4-(3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamido)benzoate (CAS 333329-21-8)
- 2-Amino-6-benzyl-7-methyl-5-oxo-4-phenyl-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile (CAS 265315-64-8)
- 3-Amino-6-ethyl-N-(3-fluorophenyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 445269-13-6)
- 3-Amino-N-(4-fluorophenyl)-5,6,7,8,9,10-hexahydrocycloocta[b]thieno[3,2-e]pyridine-2-carboxamide (CAS 445382-73-0)
- 4-(5-Amino-3-benzyl-4-phenyl-1H-pyrazol-1-yl)benzoic acid (CAS 944791-76-8)
- N-((5-Amino-2-((4-aminophenyl)sulfonyl)phenyl)sulfonyl)acetamide (CAS 80-80-8)
- 2-Amino-5-(4-methylphenyl)-5-[(3,4,5-trimethoxyphenyl)methyl]-4,5-dihydro-1H-imidazol-4-one (CAS 1354916-25-8)
- (2S)-3-Amino-N-hydroxy-2-[(4-{4-[(1R,2R)-2-(hydroxymethyl)cyclopropyl]buta-1,3-diyn-1-yl}phenyl)formamido]-3-methylbutanamide (CAS 1410809-36-7)
Recommended Standards
- Ethyl 2-((1-(2-oxo-2-(phenylamino)ethyl)-1H-benzo[d]imidazol-2-yl)thio)acetate (CAS 847231-85-0)
- 6-((5-(Allylthio)-4-ethyl-4H-1,2,4-triazol-3-yl)methoxy)-2-phenylpyridazin-3(2H)-one (CAS 692737-12-5)
- N-(3,4-dimethylphenyl)-2-((5-(2-hydroxyphenyl)-1,3,4-oxadiazol-2-yl)thio)propanamide (CAS 332126-73-5)
- 5-Benzoyl-2-(phenylamino)-4-(1H-pyrrol-1-yl)thiophene-3-carbonitrile (CAS 338966-44-2)
- 2-(5-Amino-1-methyl-3-(pyridin-4-yl)-1H-pyrazol-4-yl)acetic acid (CAS 1708380-19-1)
- 2-(4-(Tert-butyl)phenyl)-2-methyloxirane (CAS 173198-20-4)
- 4-Hydroxy-2-(trifluoromethoxy)benzoic acid (CAS 851341-56-5)
- 2-(2-Cyano-3-(3-nitrophenyl)acrylamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide (CAS 301338-47-6)
- (R)-1-(3-Bromophenyl)-2,2,2-trifluoroethanamine (CAS 843608-54-8)
- N-((2-Oxo-3-(pyridin-2-yl)oxazolidin-5-yl)methyl)acetamide (CAS 824933-23-5)
- (3,4-Difluoro-5-(trifluoromethyl)phenyl)boronic acid (CAS 864759-64-8)
- Maribavir Impurity 12 (CAS CATO-C4X-300712)
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