6,8-Dichloro-2,2-difluoro-2H-[1,3]dioxolo[4,5-h]quinazoline CAS 1670259-04-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1670259-04-7 |
| Molecular Formula | C9H2Cl2F2N2O2 |
| Molecular Weight | 279.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,8-Dichloro-2,2-difluoro-2H-[1,3]dioxolo[4,5-h]quinazoline (CAS 1670259-04-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H2Cl2F2N2O2. Molecular weight: 279.03 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H2Cl2F2N2O2 |
| Molecular Weight | 279.03 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- (2-Iodo-3-nitrophenyl)methanol (CAS 158616-08-1)
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- (6S,8R,9S,13S,14S,17S)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,6,17-triyl triacetate (1,3,5(10)-Estratriene-3,6α,17β-Triol Triacetate) (CAS 6626-42-2)
- 5-Bromo-1-butoxy-3-chloro-2-(propan-2-yloxy)benzene (CAS 1881295-11-9)
- tert-Butyl 4-(3-(((benzyloxy)carbonyl)amino)-4-methoxy-4-oxobutyl)piperidine-1-carboxylate (CAS 1219276-69-3)
- 1,5-Diphenylpenta-1,4-diyn-3-ol (CAS 15814-32-1)
- 4-(1H-1,2,4-Triazol-3-yl)morpholine (CAS 18377-89-4)
- 5-(chloromethyl)-1-ethyl-1H-1,2,3-triazole hydrochloride (CAS 1909317-30-1)
- Semaglutide impurity 46 (CAS CATO-C4X-222646)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com