2-Chloro-5-methylbenzoxazole CAS 3770-60-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3770-60-3 |
| Molecular Formula | C8H6ClNO |
| Molecular Weight | 167.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2-Chloro-5-methylbenzoxazole (CAS 3770-60-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6ClNO. Molecular weight: 167.59 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H6ClNO |
| Molecular Weight | 167.59 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-Chloro-4-hydroxy-3-methylbenzonitrile (CAS 862112-34-3)
- 2-Chloro-5-methylphenylisocyanate (CAS 40398-03-6)
- 2-Chloro-4-(hydroxymethyl)benzonitrile (CAS 371764-78-2)
- 2-[6-(Bromomethyl)-3-pyridinyl]-1H-isoindole-1,3(2H)-dione (CAS 954240-79-0)
- 6-Bromo-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole Hydrochloride (CAS 1059630-11-3)
- Thioctic acid impurity 61 (CAS 26825-92-3)
- 1-Chloro-2,4-difluoro-5-(3-methylbutoxy)benzene (CAS 1881289-04-8)
- 1-Ethyl-1,4-dihydro-5H-tetrazol-5-one (CAS 69048-98-2)
- Acetic acid, mercapto-, 1,4-butanediyl ester (CAS 10193-95-0)
- Allo-D-Ile17-Tirzepatide (CAS CATO-CPTD788962)
Why CATO?
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