Methyl 4-(3-amino-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamido)benzoate CAS 352435-14-4
| CAS No. | 352435-14-4 |
| Molecular Formula | C28H21N3O3S |
| Molecular Weight | 479.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Methyl 4-(3-amino-4,6-diphenylthieno[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.
Methyl 4-(3-amino-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamido)benzoate (CAS 352435-14-4), molecular formula C28H21N3O3S and molecular weight 479.55 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Methyl 4-(3-amino-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamido)benzoate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 479.55 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Methyl 4-(3-amino-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamido)benzoate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C28H21N3O3S |
| Molecular Weight | 479.55 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 3-Amino-N-(2,4-dimethoxyphenyl)-6-ethyl-4-(trifluoromethyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 939893-77-3)
- 3-Amino-N-[(3,4-dimethoxyphenyl)methyl]-6-methyl-4-(trifluoromethyl)-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carboxamide (CAS 664999-32-0)
- 3-Amino-4-(4-methoxyphenyl)-N,6-di-p-tolylthieno[2,3-b]pyridine-2-carboxamide (CAS 337498-26-7)
- 3-Amino-N-(2,5-dimethylphenyl)-4-(4-methoxyphenyl)-6-phenylthieno[2,3-b]pyridine-2-carboxamide (CAS 332101-41-4)
- 3-Amino-N-(2-ethylphenyl)-4-(4-methoxyphenyl)-6-phenylthieno[2,3-b]pyridine-2-carboxamide (CAS 332114-61-1)
- 2-(4-(2-Amino-3-cyano-5-oxo-5,6,7,8-tetrahydro-4H-chromen-4-yl)-2-methoxyphenoxy)-N-(3-chlorophenyl)acetamide (CAS 352435-87-1)
- 4-(2-Amino-6-oxo-1H-purin-9(6H)-yl)-2-hydroxybutyl tetrahydrogen triphosphate (CAS 108491-46-9)
- 4-Amino-N-(1-((3-chloro-2-fluorophenyl)amino)-6-methylisoquinolin-5-yl)thieno[3,2-d]pyrimidine-7-carboxamide (CAS 1446113-23-0)
Recommended Standards
- Methyl 4-(2-((3-cyano-4,6-diphenylpyridin-2-yl)thio)acetamido)benzoate (CAS 444151-98-8)
- Tert-butyl (S,E)-6,7,10-trimethoxy-3-(2-methoxyvinyl)-3,4-dihydrodibenzo[f,h]isoquinoline-2(1H)-carboxylate (CAS 1296267-72-5)
- Demethylpiperazinyl N,N-bis(2-hydroxyethyl) sildenafil, 98% (CAS 226956-43-0)
- Azido-PEG7-t-butyl ester (CAS 2596867-40-0)
- 6-bromo-3-fluoroisoquinoline (CAS 891785-30-1)
- Atraton-Desisopropyl (CAS 30360-56-6)
- 2-(3-(Trifluoromethyl)phenyl)benzo[d]oxazol-5-amine (CAS 863771-11-3)
- 2-(Trifluoromethyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-ol (CAS 741737-19-9)
- 1,3-Diethyl 2-[2-nitro-1-(3-phenoxyphenyl)ethyl]propanedioate (CAS 866153-01-7)
- (3-Bromobicyclo[1.1.1]pentan-1-yl)methyl 4-methylbenzenesulfonate (CAS 137741-19-6)
- 3-(4-Bromophenoxy)-1-methylpyrazin-2(1H)-one (CAS 1275071-39-0)
- 2-(1-Aminocyclopentyl)acetamide (CAS 138402-31-0)
- 4-(1,2,2-Triphenylvinyl)benzoic Acid (CAS 197153-87-0)
- Semaglutide Impurity 183 (CAS 159541-28-3)
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