7-Chloro-3-(2,4-dichloro-5-methoxyphenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one CAS 339014-85-6
| CAS No. | 339014-85-6 |
| Molecular Formula | C15H9Cl3N2O2S |
| Molecular Weight | 387.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
7-Chloro-3-(2,4-dichloro-5-methoxyphenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 339014-85-6), molecular formula C15H9Cl3N2O2S and molecular weight 387.67 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, 7-Chloro-3-(2,4-dichloro-5-methoxyphenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 387.67 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H9Cl3N2O2S |
| Molecular Weight | 387.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 11.0 |
| 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 Chloro Standards
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- ethyl 5-chloro-1-[3,5-di(trifluoromethyl)phenyl]-1H-1,2,3-triazole-4-carboxylate (CAS 287923-49-3)
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Recommended Standards
- (E)-2-[(4-Chlorophenyl)sulfonyl]-3-(3,5-dichloroanilino)-2-propenenitrile (CAS 1025311-95-8)
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- Vitamin D3-[d3] (CAS 80666-48-4)
- N'-(2-bromo-4-chlorobenzylidene)-4-methylbenzenesulfonohydrazide (CAS 1821332-73-3)
- 2-[3-(Difluoromethyl)-4-fluoro-2-methoxyphenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2649471-81-6)
- 4,6-Diaminopyrimidin-2(1H)-one (CAS 31458-45-4)
- 4-Chloro-2,3-dihydro-1h-indene (CAS 15115-61-4)
- Flurbiprofen Impurity 38 (CAS 26039-74-7)
- Serotonin Hydrogen Maleate (CAS 18525-25-2)
- N-benzyl-3-nitrobenzamide (CAS 7595-68-8)
- 8-Bromo-6-methylimidazo[1,2-a]pyridine-2-carboxylic acid (CAS 1203571-75-8)
- 2-(3-Fluoro-4-methylphenyl)propan-2-amine hydrochloride (CAS 1314663-93-8)
- 5-Benzyl-3-{4-[(4-fluorophenyl)methoxy]-3-methoxyphenyl}-2-methyl-hexahydro-2H-pyrrolo[3,4-d][1,2]oxazole-4,6-dione (CAS 317821-81-1)
- Liraglutide Impurity 19 TFA Salt (CAS CATO-C4X-199219)
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