3-[(3-Chloro-4-methoxyphenyl)methyl]-6,7-dimethoxy-2-{[(2-methylphenyl)methyl]sulfanyl}-3,4-dihydroquinazolin-4-imine CAS 478249-80-8
| CAS No. | 478249-80-8 |
| Molecular Formula | C26H26ClN3O3S |
| Molecular Weight | 496.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 496.02 g/mol gives 3-[(3-Chloro-4-methoxyphenyl)methyl]-6,7-dimethoxy-2-{[(2-methylphenyl)methyl]sulfanyl}-3,4-dihydroquinazolin-4-imine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-[(3-Chloro-4-methoxyphenyl)methyl]-6,7-dimethoxy-2-{[(2-methylphenyl)methyl]sulfanyl}-3,4-dihydroquinazolin-4-imine (CAS 478249-80-8) is a high-purity analytical reference standard with the molecular formula C26H26ClN3O3S and a molecular weight of 496.02 g/mol.
Based on its molecular formula C26H26ClN3O3S, 3-[(3-Chloro-4-methoxyphenyl)methyl]-6,7-dimethoxy-2-{[(2-methylphenyl)methyl]sulfanyl}-3,4-dihydroquinazolin-4-imine contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 496.02 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C26H26ClN3O3S |
| Molecular Weight | 496.02 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 3-[(3-Chloro-4-methoxyphenyl)methyl]-6,7-dimethoxy-2-{[(4-methylphenyl)methyl]sulfanyl}-3,4-dihydroquinazolin-4-imine (CAS 439121-05-8)
- N-(3-Chloro-4-methoxyphenyl)-2-((4-(4-ethoxyphenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 477329-99-0)
- 1-(5-Chloro-2-methoxyphenyl)-5-oxo-N-(1-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)cyclohexyl)pyrrolidine-3-carboxamide (CAS 1396679-43-8)
- 1-(2-(2-Chloro-6H-indolo[2,3-b]quinoxalin-6-yl)acetyl)-4-(4-hydroxybenzylidene)-3-methyl-1H-pyrazol-5(4H)-one (CAS 119457-13-5)
- 4-Chloro-N-[5-methyl-2-[7H-pyrrolo[2,3-d]pyrimidine-4-carbonyl]-3-pyridyl]-3-(trifluoromethyl)benzenesulfonamide (CAS 1100318-47-5)
- Ethyl 2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)(4-(trifluoromethyl)phenyl)amino)thiazole-4-carboxylate (CAS 860784-00-5)
- 2-((4-Chloro-N-(2,4-dichloro-5-(2-methoxyethoxy)phenyl)phenyl)sulfonamido)-N,N-dimethylacetamide (CAS 338967-68-3)
- 4-Chloro-6-{[(2,6-dichlorophenyl)sulfanyl]methyl}-2-({[3-(trifluoromethyl)phenyl]methyl}sulfanyl)pyrimidine (CAS 866143-67-1)
Recommended Standards
- (1R,3S)-N1-(5-Chloro-4-(1-(phenylsulfonyl)-1H-indol-3-yl)pyrimidin-2-yl)-3-methylcyclohexane-1,3-diamine (CAS 1816989-75-9)
- 2,2’-Diiodo-4,4’-dinitrobiphenyl (CAS 61761-98-6)
- N-(4-(3-(4-(tert-butyl)benzoyl)thioureido)-2-methoxyphenyl)-2-chlorobenzamide (CAS 462083-49-4)
- PF-04628935 (CAS 1383719-97-8)
- Diisobutyl carbonate (CAS 539-92-4)
- 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-5-methoxypyrimidin-4(3H)-one (CAS 2379918-31-5)
- 3-Phenyl-2-(pyridin-2-yl)propan-1-amine (CAS 1225954-02-8)
- 3,5-Dimethyl-benzofuran-2-carbonyl chloride (CAS 16817-33-7)
- 11-(2,6-Dichlorophenyl)-3,3,8-trimethyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one (CAS 1024132-10-2)
- 8-Bromo-7-chloro-2-(o-tolyl)-[1,2,4]triazolo[1,5-c]pyrimidine (CAS 1254710-29-6)
- Methyl 2,2-dimethyltetrahydro-2H-pyran-4-carboxylate (CAS 52916-17-3)
- 2-(4,5-Dihydro-4,4-dimethyl-2-oxazolyl)-5-(trifluoromethyl)pyridine (CAS 1803415-70-4)
- 4-Phenoxybenzonitrile 4-phenoxybenzenecarbonitrile 4-Cyanodiphenyl ether 3096-81-9 (CAS 3096-81-9)
- Semaglutide impurity 203 (CAS CATO-C4X-2226203)
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