Thieno[3,2-b]furan, 5,6-bis(4-methoxyphenyl)-2,3-diphenyl- CAS 81385-77-5
| CAS No. | 81385-77-5 |
| Molecular Formula | C32H24O3S |
| Molecular Weight | 488.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Thieno[3,2-b]furan, 5,6-bis(4-methoxyphenyl)-2,3-diphenyl- (CAS 81385-77-5) is a high-purity analytical reference standard with the molecular formula C32H24O3S and a molecular weight of 488.60 g/mol.
Based on its molecular formula C32H24O3S, Thieno[3,2-b]furan, 5,6-bis(4-methoxyphenyl)-2,3-diphenyl- contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 488.60 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), Thieno[3,2-b]furan, 5,6-bis(4-methoxyphenyl)-2,3-diphenyl- 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 | C32H24O3S |
| Molecular Weight | 488.60 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Sulfur Atoms | 1 |
Related Thieno Standards
- 1H-Thieno[3,4-d]imidazole-4-pentanoic acid, hexahydro-2-oxo-, 2-[(2,3,4,5,6-pentafluorophenyl)methylene]hydrazide, (3aR,4S,6aS)-rel- (CAS 1214982-06-5)
- N'-{thieno[2,3-b]quinoline-2-carbonyl}-3-(trifluoromethyl)benzohydrazide (CAS 478079-51-5)
- 5H-Thieno[2,3:5,6][1,3]thiazocino[2,3-a]isoindole-4,11(6aH,13H)-dione 4-(N-phenylhydrazone) (CAS 866008-43-7)
- 2-{thieno[2,3-b]quinoline-2-carbonyl}-1,2,3,4-tetrahydroisoquinoline (CAS 439111-80-5)
- 2-(Thieno[2,3-b]quinolin-2-yl)-5-(m-tolyl)-1,3,4-oxadiazole (CAS 478079-55-9)
- 1H-Thieno[3,4-d]imidazole-4-pentanamide, hexahydro-N-(5-hydroxypentyl)-2-oxo-, [3aS-(3aa,4,6aa)]- (9CI), 95% (CAS 181272-15-1)
- N'-(thieno[2,3-b]quinoline-2-carbonyl)methanesulfonohydrazide (CAS 692260-15-4)
- N-(Thieno[2,3-d]pyrimidin-4-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide (CAS 899963-51-0)
Recommended Standards
- N-(2-ethyl-6-methylphenyl)-2-((5-((4-methoxyphenoxy)methyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 332912-84-2)
- Vardenafil Impurity 34 (CAS CATO-C4X-101734)
- (S,R,S)-AHPC-CO-C1-OH (CAS 2135318-47-5)
- Sildenafil EP Impurity A (CAS 1391053-95-4)
- (6-(2,2,2-Trifluoroethyl)pyridin-3-yl)boronic acid (CAS 1356109-90-4)
- 2-Phenyl-1-propanol (CAS 1123-85-9)
- 2-(3-Amino-4-methyl-1h-pyrazol-1-yl)-N-butylacetamide (CAS 1342542-52-2)
- Methyl 3-fluoro-4-(2-(4-methylpiperazin-1-yl)thiazol-4-yl)benzoate (CAS 1094358-13-0)
- 2-Bromo-6-((isobutylamino)methyl)phenol (CAS 157729-13-0)
- Afatinib Impurity Y (CAS 2365-85-7)
- 1-[1-(2-aminoethyl)piperidin-4-yl]ethan-1-ol dihydrochloride (CAS 1803592-98-4)
- 1-(Tetrahydro-2h-pyran-3-yl)prop-2-en-1-ol (CAS 1484087-14-0)
- 5-Bromo-4,6-dichloro-2-methoxypyrimidine (CAS 1240596-72-8)
- Acetyl tetrapeptide-3 (CAS 827306-88-7)
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