6,7-Dichloro-3,4-dihydro-2H-1,4-benzoxazin-3-one CAS 6238-99-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6238-99-9 |
| Molecular Formula | C8H5Cl2NO2 |
| Molecular Weight | 218.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,7-Dichloro-3,4-dihydro-2H-1,4-benzoxazin-3-one (CAS 6238-99-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H5Cl2NO2. Molecular weight: 218.04 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H5Cl2NO2 |
| Molecular Weight | 218.04 g/mol |
| Appearance | Off-white to pale 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 tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
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- 6,7-Dichloro-3-hydroxy-2,3-dihydro-1h-indol-2-one (CAS 1247122-34-4)
- 4,6-Dichloro-3-hydroxyindolin-2-one (CAS 1251038-62-6)
- 2,4-Dichloro-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-one (CAS 1393572-20-7)
- 1,2-Dichloro-3-[(E)-2-nitroethenyl]benzene (CAS 154455-57-9)
- 2,4-Dichloro-7-methyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one (CAS 1629411-93-3)
- 2,4-Dichloro-5-methyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one (CAS 1638767-98-2)
Recommended Standards
- 5-Amino-4,6-dichloroisobenzofuran-1(3H)-one (CAS 2649788-96-3)
- 6,8-Dichloro-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 87571-80-0)
- 5,6-Dichloro-3-ethoxypyrazine-2-carbonitrile (CAS 258884-69-4)
- 2,3-Dichloro-1-methyl-4-(1H)-pyridone (CAS 1428234-62-1)
- 4-(Bicyclo[1.1.1]pentan-1-yl)-3-oxobutanenitrile (CAS 2737246-36-3)
- Methyl (R)-3-(6-bromochroman-2-yl)propanoate (CAS 2088284-57-3)
- (11bS)-2,6-diiodo-N,N-bis((R)-1-phenylethyl)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine (CAS 1642865-17-5)
- 1H-Imidazo[4,5-b]pyridine (CAS 170245-19-9)
- 5H-pyrrolo[3,2-c]pyridazine (CAS 54420-55-2)
- Lixisenatide (CAS 320367-13-3)
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