2,4-Dichloro-6-hydroxybenzaldehyde CAS 78443-72-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 78443-72-8 |
| Molecular Formula | C7H4Cl2O2 |
| Molecular Weight | 191.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4-Dichloro-6-hydroxybenzaldehyde (CAS 78443-72-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4Cl2O2. Molecular weight: 191.01 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4Cl2O2 |
| Molecular Weight | 191.01 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
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- 2,4-Dichloro-5,6-dihydrofuro[2,3-d]pyrimidine (CAS 1823731-18-5)
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- 2,4-Dichloro-5-hydroxybenzaldehyde (CAS 56962-15-3)
Recommended Standards
- 2,4-Dichloro-6-methyl-5-pyrimidinecarboxaldehyde (CAS 933686-24-9)
- 2,4-Dichloronicotinamide (CAS 70593-56-5)
- 2,5-Dichloro-4-hydroxybenzaldehyde (CAS 27164-10-9)
- N-(3-Cyclopropoxy-5-ethylpyridin-2-yl)methanesulfonamide (CAS 1243368-38-8)
- 2-((1,2,3,4-Tetrahydronaphthalen-2-yl)amino)propan-1-ol (CAS 1158046-85-5)
- 2,7-Dichloro-3-ethylquinoline (CAS 132118-51-5)
- N-(benzo[d][1,3]dioxol-5-yl)-2-((3,4,4-trifluorobut-3-en-1-yl)thio)nicotinamide (CAS 339106-80-8)
- Diclofenac sodium impurity 67 (CAS 131023-44-4（free base）)
- 8-Propyl-4-(pyridine-3-carbonyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326809-49-7)
- Semaglutide impurity 91 (CAS CATO-C4X-222691)
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