2,5-Dichloro-4-hydroxybenzonitrile CAS 3336-18-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3336-18-3 |
| Molecular Formula | C7H3Cl2NO |
| Molecular Weight | 188.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-Dichloro-4-hydroxybenzonitrile (CAS 3336-18-3) 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.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
- 3,4-Dichloro-2-hydroxybenzonitrile (CAS 115661-18-2)
- 5,6-Dichloro-1,3-benzoxazole (CAS 1267335-10-3)
- 3,5-Dichloro-1H-pyrazolo[4,3-b]pyridine (CAS 1310680-12-6)
- 2,4-Dichloro-3H-pyrrolo[3,2-d]pyrimidine (CAS 1310680-17-1)
- 3,6-Dichloro-1H-pyrazolo[3,4-b]pyridine (CAS 1352893-80-1)
- 6,7-Dichloro-3H-imidazo[4,5-b]pyridine (CAS 1378594-79-6)
- 3,6-Dichloro-1H-pyrazolo[4,3-c]pyridine (CAS 1431721-01-5)
- 4,5-Dichloro-2-hydroxybenzonitrile (CAS 1541259-78-2)
Recommended Standards
- 2,4-Dichloropyrrolo[3,2-d]pyrimidine (CAS 63200-54-4)
- 2,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine (CAS 2347374-92-7)
- 2,4-Dichloropyrrolo[2,1-f][1,2,4]triazine (CAS 918538-05-3)
- N-(2-chloroethyl)azepane-1-carboxamide (CAS 855888-81-2)
- (3-Chloro-6-methylpyridin-2-yl)methanamine (CAS 1060810-05-0)
- 2-(3-Iodophenyl)benzo[d]oxazole-5-carbohydrazide (CAS 1706442-41-2)
- 3-(4,6-Dichloro-1H-indol-3-yl)propan-1-amine hydrochloride (CAS 1956376-29-6)
- Biotinyl-ACTH (1-39) (human) trifluoroacetate salt (CAS 1816258-26-0)
- N-(4-(N-(1-Butyl-1H-imidazol-2-yl)sulfamoyl)phenyl)acetamide (CAS 71795-41-0)
- Neuropeptide Y (3-36) (human, rat) trifluoroacetate salt (CAS 150138-78-6)
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