7-Chloro-3-(2,4-dichloro-5-isopropoxyphenyl)-2-(methylthio)quinazolin-4(3H)-one CAS 339099-18-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 339099-18-2 |
| Molecular Formula | C18H15Cl3N2O2S |
| Molecular Weight | 429.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Chloro-3-(2,4-dichloro-5-isopropoxyphenyl)-2-(methylthio)quinazolin-4(3H)-one (CAS 339099-18-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H15Cl3N2O2S. Molecular weight: 429.75 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H15Cl3N2O2S |
| Molecular Weight | 429.75 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) | 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 |
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Recommended Standards
- 7,9-Dichloro-5-(4-chlorophenyl)-2-phenyl-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (CAS 302913-77-5)
- 1,1'-Diiodoferrocene (CAS 12145-93-6)
- 2-[(3-Chlorophenyl)methyl]-4-[(2,6-dichlorophenyl)methoxy]quinazoline (CAS 400078-64-0)
- 4-Oxo-1,4-dihydropyridine-3-carbonitrile (CAS 100367-56-4)
- 1-Neopentyl-5-phenyl-1H-imidazole (CAS 116145-77-8)
- 4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydro-s-indeno[1,2-b:5,6-b']dithiophene-2,7-di aldehyde (CAS 1884694-93-2)
- Palbociclib Impurity 122 (CAS CATO-C4X-1125122)
- DSRM-3716 (CAS 58142-99-7)
- (S)-DIHYDROPYRROLO[1,2-C]OXAZOLE-3,6(1H,5H)-DIONE (CAS 1447615-97-5)
- Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 330456-24-1)
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