6,8-Dichloro-3-(2,6-dimethylphenyl)-2-(((4-methoxyphenyl)thio)methyl)quinazolin-4(3H)-one CAS 338957-61-2
| CAS No. | 338957-61-2 |
| Molecular Formula | C24H20Cl2N2O2S |
| Molecular Weight | 471.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 471.40 g/mol gives 6,8-Dichloro-3-(2,6-dimethylphenyl)-2-(((4-methoxyphenyl)thio)methyl)quinazolin-4(3H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
6,8-Dichloro-3-(2,6-dimethylphenyl)-2-(((4-methoxyphenyl)thio)methyl)quinazolin-4(3H)-one (CAS 338957-61-2), molecular formula C24H20Cl2N2O2S and molecular weight 471.40 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C24H20Cl2N2O2S, 6,8-Dichloro-3-(2,6-dimethylphenyl)-2-(((4-methoxyphenyl)thio)methyl)quinazolin-4(3H)-one 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 471.40 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).
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.
As a certified reference material (CRM), 6,8-Dichloro-3-(2,6-dimethylphenyl)-2-(((4-methoxyphenyl)thio)methyl)quinazolin-4(3H)-one 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 | C24H20Cl2N2O2S |
| Molecular Weight | 471.40 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 | 2 |
| Sulfur Atoms | 1 |
Related Dichloro Standards
- 2-((2,5-Dichloro-N-phenylphenyl)sulfonamido)-N-(2,4-difluorophenyl)acetamide (CAS 339103-14-9)
- 2-[N-(2,4-Dichloro-5-methoxyphenyl)methanesulfonamido]-N-[3-(trifluoromethyl)phenyl]acetamide (CAS 343374-18-5)
- 2-(N-(2,4-dichloro-5-methoxyphenyl)methylsulfonamido)-N-(2,4-dichlorophenyl)acetamide (CAS 343374-19-6)
- 1,3-Dichloro-9,9-dimethyl-7-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)acridin-2(9H)-one (CAS 503178-95-8)
- 7,9-Dichloro-2-(4-methoxyphenyl)-5-(3-nitrophenyl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (CAS 303061-41-8)
- 2-((2,5-Dichloro-N-(2-chlorophenyl)phenyl)sulfonamido)-N-phenylacetamide (CAS 337922-17-5)
- 6,7-Dichloro-4-(4-chlorophenyl)-2-[4-(trifluoromethyl)phenyl]-1,2-dihydrophthalazin-1-one (CAS 478066-04-5)
- 1-(2,4-Dichloro-5-isopropoxyphenyl)-5-methyl-N-(3-(trifluoromethyl)phenyl)-1H-1,2,4-triazole-3-carboxamide (CAS 400088-36-0)
Recommended Standards
- 7-(3,4-Dichlorophenyl)-2-[4-(3-methylphenyl)piperazin-1-yl]-3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 1251646-25-9)
- Methyl 2-(2,4-dichlorobenzamido)-5-(dipropylcarbamoyl)-4-methylthiophene-3-carboxylate (CAS 335407-57-3)
- 2-[4-(5-Chloro-2-methylphenyl)piperazin-1-yl]-7-(2-chlorophenyl)-3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 1242974-77-1)
- Methyl 3-amino-5,6-dimethylpyrazine-2-carboxylate (CAS 6294-72-0)
- 4-Chloro-1,2-dimethyl-1H-imidazo[4,5-d]pyridazine (CAS 1506617-90-8)
- N4-cyclopentylpyrimidine-2,4-diamine (CAS 1169699-39-1)
- 32870-98-7 9-Ethynylphenanthrene DTXSID80186533 (CAS 32870-98-7)
- (3R,6S,9S,16S,E)-9-(4-aminobutyl)-3-(4-benzoylbenzyl)-6-(cyclohexylmethyl)-2,5,8,11,14-pentaoxo-1,4,7,10,15-pentaazacycloicos-12-ene-16-carboxamide (CAS 1417537-93-9)
- N-(2-Bromo-4-fluorophenyl)-3-chlorobenzamide (CAS 1039903-59-7)
- 2,2-Dimethylcyclopropanecarbonitrile (CAS 5722-11-2)
- N1-benzylbenzene-1,4-diamine dihydrochloride (CAS 17272-84-3)
- (S)-2-(((benzyloxy)carbonyl)(methyl)amino)-2-phenylacetic acid (CAS 220808-97-9)
- 5-Aminobenzoxazole-2-thiol (CAS 24316-85-6)
- Semaglutide impurity 57 (CAS 2773558-06-6)
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