6,8-Dichloro-3-phenyl-2-thioxo-2,3-dihydroquinazolin-4(1H)-one CAS 67867-62-3
| CAS No. | 67867-62-3 |
| Molecular Formula | C14H8Cl2N2OS |
| Molecular Weight | 323.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,8-Dichloro-3-phenyl-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 67867-62-3), molecular formula C14H8Cl2N2OS and molecular weight 323.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H8Cl2N2OS, 6,8-Dichloro-3-phenyl-2-thioxo-2,3-dihydroquinazolin-4(1H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 323.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 6,8-Dichloro-3-phenyl-2-thioxo-2,3-dihydroquinazolin-4(1H)-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 | C14H8Cl2N2OS |
| Molecular Weight | 323.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dichloro Standards
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Recommended Standards
- 6-(Trifluoromethyl)-N2-(3-(trifluoromethyl)phenyl)-1,3,5-triazine-2,4-diamine (CAS 36108-11-9)
- 6-Chloro-3-(2-chlorophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 91961-25-0)
- 7-Bromospiro[chromane-2,3'-thietan]-4-one 1',1'-dioxide (CAS 2200003-26-3)
- 4-(3,4-Dichlorophenyl)-5-(pyridin-4-yl)-4h-1,2,4-triazole-3-thiol (CAS 438031-61-9)
- 2-(2,3-Difluoro-4-methylphenyl)ethan-1-amine (CAS 771581-68-1)
- 4-Amino-3-methoxy-2-methylpyridine (CAS 1559064-12-8)
- 3-(4-Bromoanilino)-3-oxopropanoic acid (CAS 95262-09-2)
- 3-(Bromomethyl)-2,4,10-trioxatricyclo[3.3.1.13,7]decane (CAS 157371-80-7)
- 2-Bromo-1,3,5-trichloro-4-fluorobenzene (CAS 1160573-92-1)
- 5,6-Methylenedioxy-N-methyl-2-aminoindane (CAS 132741-82-3)
- 17:0-20:4 PI (3,4) P2 (CAS 1144099-87-5)
- 5-Iodopyrimidine-4-carbonitrile (CAS 1804404-81-6)
- 1-[5,7-bis(trifluoromethyl)[1,8]naphthyridin-2-yl]tetrahydro-4(1H)-pyridinone (CAS 339011-61-9)
- D-Tyr10-Tirzepatide (CAS CATO-CPTD788922)
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