4-Chloro-2-ethylphenol CAS 18979-90-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18979-90-3 |
| Molecular Formula | C8H9ClO |
| Molecular Weight | 156.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4-Chloro-2-ethylphenol (CAS 18979-90-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H9ClO. Molecular weight: 156.61 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H9ClO |
| Molecular Weight | 156.61 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
Recommended Standards
- 3-Chloro-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (CAS 1823930-65-9)
- 2-Chloro-4-ethylphenol (CAS 18980-00-2)
- 5-Chloro-2,6-dimethylpyridin-3-amine (CAS 1823370-46-2)
- 6-Phenylpyrimidin-4(3H)-one (CAS 4891-69-4)
- 1-(3-Aminopiperidin-1-yl)-2-(3,5-dimethylisoxazol-4-yl)ethan-1-one hydrochloride (CAS 1834149-70-0)
- 2-Chloro-5-methyloxazole-4-carboxylic acid (CAS 1240600-64-9)
- 2-(bromomethyl)-1-chloro-3-fluorobenzene (CAS 68220-26-8)
- 1,3-Dichloro-5-difluoromethoxy-2,4,6-trifluorobenzene (CAS 1805126-36-6)
- 4,6-Difluorobenzo[d]isoxazol-3-amine (CAS 268734-41-4)
- Acetyl-Exenatide trifluoroacetate salt (CAS 305815-28-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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