3-(3,4-Dimethylphenyl)-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3h)-one CAS 592537-72-9
| CAS No. | 592537-72-9 |
| Molecular Formula | C18H18N2OS2 |
| Molecular Weight | 342.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-(3,4-Dimethylphenyl)-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3h)-one.
3-(3,4-Dimethylphenyl)-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3h)-one (CAS 592537-72-9) is a high-purity analytical reference standard with the molecular formula C18H18N2OS2 and a molecular weight of 342.48 g/mol.
Based on its molecular formula C18H18N2OS2, 3-(3,4-Dimethylphenyl)-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3h)-one contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 342.48 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.
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 3-(3,4-Dimethylphenyl)-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3h)-one 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 | C18H18N2OS2 |
| Molecular Weight | 342.48 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Dimethylphenyl Standards
- 3-(2,5-Dimethylphenyl)-2-mercapto-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3h)-one (CAS 380436-86-2)
- 3-(3,5-Dimethylphenyl)-2,3,5,6,7,8-hexahydro-2-thioxo[1]benzothieno[2,3-d]pyrimidin-4(1H)-one (CAS 380346-39-4)
- 1-(3,4-Dimethylphenyl)-7-((2-ethoxyethyl)thio)-4-methyl-1H-pyrazolo[3,4-d]pyridazine (CAS 1105237-98-6)
- 1-(2,3-Dimethylphenyl)-3-(2-((6-(ethylamino)-2-methylpyrimidin-4-yl)amino)ethyl)urea (CAS 1203143-99-0)
- (3,5-Dimethylphenyl)(2-((2-fluorobenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)methanone (CAS 851806-73-0)
- N-(2,4-Dimethylphenyl)-2-((3-ethyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamide (CAS 1058238-75-7)
- 2-((1-(2,3-Dimethylphenyl)-1H-imidazol-2-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide (CAS 851131-65-2)
- 1-((3,5-Dimethylphenyl)amino)-4-hydroxyanthracene-9,10-dione (CAS 499977-61-6)
Recommended Standards
- 2-Mercapto-7-methyl-3-o-tolyl-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one (CAS 565179-63-7)
- 3-Allyl-2-(benzylthio)-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 324057-32-1)
- 2-Mercapto-3-o-tolyl-3,5,6,7,8,9-hexahydro-10-thia-1,3-diaza-benzo[a]azulen-4-one (CAS 882135-83-3)
- 3-Cyclohexyl-2-mercapto-5-phenyl-3H-thieno[2,3-d]pyrimidin-4-one (CAS 851852-86-3)
- tert-Butyl 4-hydrazinylbenzo[b]thiophene-7-carboxylate (CAS 1956382-85-6)
- 3-(Octyloxy)azetidine (CAS 1410002-81-1)
- Isobenzofuran-1-carboxamide (CAS 389126-45-8)
- (4-Ethylbenzyl)hydrazine (CAS 887587-03-3)
- Lotilaner Impurity 11 (CAS CATO-C4X-325611)
- 2-(4-t-Butylbenzoyl)-5-(1,3-dioxolan-2-yl)thiophene (CAS 898778-43-3)
- N-(2-Chloro-5-cyclopropoxypyridin-4-yl)methanesulfonamide (CAS 1243474-27-2)
- 8-Bromospiro[4.5]decane (CAS 1602918-79-5)
- (S)-2-((S)-1-((S)-2,6-Diaminohexyl)pyrrolidine-2-carboxamido)-5-guanidinopentanoic acid (CAS 227470-77-1)
- Calcium-Like Peptide 3 (CAS 261969-05-5)
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