1-(4-Ethoxyphenyl)-3-(o-tolyl)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one 5,5-dioxide CAS 710985-69-6
| CAS No. | 710985-69-6 |
| Molecular Formula | C20H22N2O4S |
| Molecular Weight | 386.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(4-Ethoxyphenyl)-3-(o-tolyl)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one 5,5-dioxide is closely related to a flavonoid 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.
1-(4-Ethoxyphenyl)-3-(o-tolyl)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one 5,5-dioxide (CAS 710985-69-6), molecular formula C20H22N2O4S and molecular weight 386.46 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1-(4-Ethoxyphenyl)-3-(o-tolyl)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one 5,5-dioxide (C20H22N2O4S) is characterized by a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-(4-Ethoxyphenyl)-3-(o-tolyl)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one 5,5-dioxide 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 | C20H22N2O4S |
| Molecular Weight | 386.46 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethoxyphenyl Standards
- 2-((3-(4-Ethoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)hexanoic acid (CAS 852437-14-0)
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Recommended Standards
- (S)-3-(tert-Butyl)-4-(2,6-diisopropoxyphenyl)-2,3-dihydrobenzo[d][1,3]oxaphosphole (CAS 2448341-44-2)
- 2-((1-Cyanocyclohexyl)(methyl)amino)-2-oxoethyl 1-(4-fluorophenyl)cyclopentane-1-carboxylate (CAS 923830-63-1)
- Methyl 2-(N-(4-cyanobutyl)-4-methylphenylsulfonamido)benzoate (CAS 1956386-20-1)
- 2-((4-Fluorophenyl)(6-hydroxy-4,4-dimethyl-2-oxocyclohex-1-enyl)methyl)-3-hydroxy-5,5-dimethylcyclohex-2-en-1-one (CAS 337513-52-7)
- 2-(3-(4-Bromophenyl)isoxazol-5-yl)ethanol (CAS 1159979-39-1)
- 1-Phenethyl-1H-imidazole-5-carbaldehyde (CAS 933726-64-8)
- 7-Bromo-5-chloro-3,3-difluoroindolin-2-one (CAS 2763872-85-9)
- n-(5-Amino-2-fluorophenyl)cyclohexanecarboxamide (CAS 926199-67-9)
- Palbociclib Impurity 158 (CAS 2639903-34-5)
- 2-Cyclopropylquinazoline-6-carboxylic acid (CAS 648423-82-9)
- 2-(Difluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine-4-acetic acid (CAS 1806750-37-7)
- 7-Amino-3-chloro-1H-indole (CAS 165669-13-6)
- (2E)-3-(2-Chloro-6-fluorophenyl)-1-(4-methylphenyl)prop-2-en-1-one (CAS 1181776-15-7)
- [D-His1]-Semaglutide (CAS CATO-C4X-2226127)
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