3-Amino-N-(2-methoxyphenyl)-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamide CAS 333766-17-9
| CAS No. | 333766-17-9 |
| Molecular Formula | C27H21N3O2S |
| Molecular Weight | 451.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-Amino-N-(2-methoxyphenyl)-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamide (CAS 333766-17-9), molecular formula C27H21N3O2S and molecular weight 451.54 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Amino-N-(2-methoxyphenyl)-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamide (C27H21N3O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 19.0, corresponding to approximately 19 ring(s) or double-bond equivalent(s). With a molecular weight of 451.54 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 3-Amino-N-(2-methoxyphenyl)-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamide 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 | C27H21N3O2S |
| Molecular Weight | 451.54 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- (S)-4-(4-amino-2-fluorophenoxy)-1-(4-methoxybenzyl)-N-(1-methoxypropan-2-yl)-1H-pyrazolo[3,4-b]pyridin-3-amine (CAS 2412358-37-1)
- 5-Amino-2-(4-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-2-sulfostyryl)benzenesulfonic acid (CAS 119-74-4)
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Recommended Standards
- 2-((3-Cyano-6-(4-methoxyphenyl)-4-phenylpyridin-2-yl)thio)-N-phenylacetamide (CAS 333341-72-3)
- 4-Methoxy-N-(1-(4-methoxybenzyl)-5,6-dimethyl-1H-benzo[d]imidazol-4-yl)benzenesulfonamide (CAS 338954-91-9)
- (2Z)-2-(Benzenesulfonyl)-3-[3-(2,3-dihydro-1H-inden-5-yl)-1-phenyl-1H-pyrazol-4-yl]prop-2-enenitrile (CAS 956923-23-2)
- 4-Methoxy-N-{1-[(3-methoxyphenyl)methyl]-5,6-dimethyl-1H-1,3-benzodiazol-4-yl}benzene-1-sulfonamide (CAS 338955-15-0)
- 1-(4-Methyl-1,1-dioxido-5-phenylisothiazol-3-yl)piperidin-4-amine hydrochloride (CAS 1417567-36-2)
- 6-bromo-N-methylpyrimidin-4-amine (CAS 1209458-21-8)
- β-D-Glucose (CAS 492-61-5)
- 2-(5-Bromo-4-methylpyridin-2-yl)propan-2-ol (CAS 1228014-47-8)
- (3-Propoxyphenyl)methanol (CAS 67698-62-8)
- 2-Methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carbohydrazide (CAS 844891-24-3)
- 2,2’-Diiodobiphenyl-4,4’-diamine (CAS 54391-31-0)
- 2-(2,5-Difluorophenyl)-1h-1,3-benzodiazol-5-amine (CAS 1016688-16-6)
- 4-Chloro-1-(2,2,2-trifluoroethyl)-1h-pyrazol-3-amine (CAS 1006448-56-1)
- [D-Ser8]-Semaglutide A (CAS CATO-C4X-2226116)
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