3-Amino-N,4-bis(4-methoxyphenyl)-6-phenylthieno[2,3-b]pyridine-2-carboxamide CAS 333777-93-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 333777-93-8 |
| Molecular Formula | C28H23N3O3S |
| Molecular Weight | 481.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Amino-N,4-bis(4-methoxyphenyl)-6-phenylthieno[2,3-b]pyridine-2-carboxamide (CAS 333777-93-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C28H23N3O3S. Molecular weight: 481.57 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C28H23N3O3S |
| Molecular Weight | 481.57 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
- 3-Amino-N-(2,5-dimethoxyphenyl)-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamide (CAS 337354-48-0)
- 2-(Boc-amino)-1-(3-bromo-2-(4-fluorophenyl)-8,8-dimethyl-5,6-dihydroimidazo[1,2-a]pyrazin-7(8H)-yl)ethanone (CAS 1261117-66-1)
- (3-Amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)(5-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)thiophen-2-yl)methanone (CAS 339016-63-6)
- Ethyl 6-amino-4-(4-chlorophenyl)-5-cyano-2-(((3-cyano-4,6-dimethylpyridin-2-yl)thio)methyl)-4H-pyran-3-carboxylate (CAS 339163-84-7)
- 4-((6-Amino-1-(4-methoxyphenyl)-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)carbamoyl)-1,2-phenylene diacetate (CAS 176379-15-0)
- 3-((6-Amino-1-(4-methoxyphenyl)-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)carbamoyl)-1,2-phenylene diacetate (CAS 176379-43-4)
- 2-Amino-4-(2-(guanidinomethyl)-5-hydroxypentyl)tridecyl pyrimidine-5-carboxylate (CAS 142605-06-9)
- 2-Amino-9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-8-(pyren-2-ylamino)-1H-purin-6(9H)-one (CAS 134249-04-0)
Recommended Standards
- Sildenafil Impurity 288 (CAS CATO-C4X-1128288)
- 2-((3-Cyano-4-(3,4-dimethoxyphenyl)-6-phenylpyridin-2-yl)thio)-N-phenylacetamide (CAS 332018-55-0)
- Upadacitinib Impurity 125 (CAS CATO-C4X-2405125)
- N,N-DIPROPYL-1H-PYRAZOL-3-AMINE (CAS 1379348-91-0)
- 6-Bromo-4-chloroquinazoline-2-carbonitrile (CAS 1260764-89-3)
- 2,5-Dihydroxy-3-methoxybenzaldehyde (CAS 2179-22-8)
- 1-(2-Pyridyl)piperazine derivative of 1,6-HDI (CAS 72375-27-0)
- (R)-2-Methyl-2,3-dihydroquinolin-4(1H)-one (CAS 63430-91-1)
- Ethyl 1-(tert-butyl)-5-cyano-1H-pyrazole-4-carboxylate (CAS 98477-12-4)
- Neuropeptide Y (free acid) (human, rat) trifluoroacetate salt (CAS 99575-89-0)
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