5,7-Dichlorobenzoxazole CAS 192753-42-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 192753-42-7 |
| Molecular Formula | C7H3Cl2NO |
| Molecular Weight | 188.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,7-Dichlorobenzoxazole (CAS 192753-42-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H3Cl2NO. Molecular weight: 188.01 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H3Cl2NO |
| Molecular Weight | 188.01 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2012 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichlorobenzoxazole Standards
Recommended Standards
- 5,6-Dichloro-3H-imidazo[4,5-b]pyridine (CAS 189102-97-4)
- 2,7-Dichloro-5H-pyrrolo[3,2-d]pyrimidine (CAS 1934415-98-1)
- 2,4-Dichloro-5H-pyrrolo[2,3-d]pyrimidine (CAS 1823733-04-5)
- Undecanamide, 11-bromo-N-[2-(3,4-dihydroxyphenyl)ethyl]- (CAS 1417821-16-9)
- Methyl 3-amino-6-bromo-5-chloropicolinate (CAS 866775-12-4)
- 8-chloro-5-methyl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one (CAS 32900-23-5)
- 2-(6-Ethyl-4-oxoquinolin-1(4H)-yl)acetonitrile (CAS 1279210-09-1)
- 4-(2-(Ethylthio)ethoxy)-N-(phthalazin-6-yl)benzenesulfinamide (CAS 487024-41-9)
- 2-chloro-N-[(dimethylamino)(methyl)oxo-$l^{6}-sulfanylidene]acetamide (CAS 1955558-17-4)
- Neuropeptide VF (124-131) (human) (CAS 311309-27-0)
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