2-{[(2,4-dichlorophenyl)methyl]sulfanyl}-9-methyl-5H-thiochromeno[4,3-d]pyrimidine CAS 478246-79-6
| CAS No. | 478246-79-6 |
| Molecular Formula | C19H14Cl2N2S2 |
| Molecular Weight | 405.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-{[(2,4-dichlorophenyl)methyl]sulfanyl}-9-methyl-5H-thiochromeno[4,3-d]pyrimidine is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-{[(2,4-dichlorophenyl)methyl]sulfanyl}-9-methyl-5H-thiochromeno[4,3-d]pyrimidine (CAS 478246-79-6), molecular formula C19H14Cl2N2S2 and molecular weight 405.36 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H14Cl2N2S2, 2-{[(2,4-dichlorophenyl)methyl]sulfanyl}-9-methyl-5H-thiochromeno[4,3-d]pyrimidine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 405.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 2-{[(2,4-dichlorophenyl)methyl]sulfanyl}-9-methyl-5H-thiochromeno[4,3-d]pyrimidine 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 | C19H14Cl2N2S2 |
| Molecular Weight | 405.36 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related dichlorophenyl Standards
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Recommended Standards
- 1-Amino-5-hydroxy-4-((2-methoxyphenyl)amino)-8-nitroanthracene-9,10-dione (CAS 71412-38-9)
- 3-((4-Fluorophenyl)sulfonyl)-2-hydroxy-2-methyl-N-(3-(trifluoromethyl)phenyl)propanamide (CAS 338424-61-6)
- Cabotegravir Impurity 9 (CAS CATO-C4X-28769)
- 3-(4-Fluorobenzenesulfonyl)-2-hydroxy-2-methyl-N-[4-(trifluoromethyl)phenyl]propanamide (CAS 338956-16-4)
- N-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-3-(hydrazinecarbonyl)-5-methylisoxazole-4-carboxamide (CAS 338397-37-8)
- 2-((Tert-butoxycarbonyl)amino)-2-propylpentanoic acid (CAS 87113-32-4)
- 2-((tert-Butoxycarbonyl)amino)-2-(pyridin-4-yl)acetic acid (CAS 369403-56-5)
- N-Styrylaniline (CAS 5694-22-4)
- 2-((4-Fluorobenzyl)sulfonyl)-1-methyl-4,5-diphenyl-1H-imidazole (CAS 339277-77-9)
- 3,3'-Difluoro-[1,1'-biphenyl]-4,4'-dicarbonitrile (CAS 359813-00-6)
- (2R,3R,4S,5R)-2-(6-Amino-9H-purin-9-yl)-5-((R)-1-hydroxyethyl)tetrahydrofuran-3,4-diol (CAS 3253-81-4)
- Calciumfumarate (CAS 19855-56-2)
- (2-(3-(Trifluoromethyl)phenyl)cyclopropyl)methanamine (CAS 1278662-29-5)
- Fragment-[3-31]-Liraglutide (CAS CATO-C4X-199232)
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