5-Chloro-N-(3,4-dichlorophenyl)-2-hydroxybenzamide CAS 642-84-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 642-84-2 |
| Molecular Formula | C13H8Cl3NO2 |
| Molecular Weight | 316.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-N-(3,4-dichlorophenyl)-2-hydroxybenzamide (CAS 642-84-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H8Cl3NO2. Molecular weight: 316.57 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H8Cl3NO2 |
| Molecular Weight | 316.57 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
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- Methyl 6-chloro-5-(3,4-dichlorophenyl)nicotinate (CAS 1361567-63-6)
- 2-Chloro-N'-(2,5-dichlorophenyl)pyridine-3-carbohydrazide (CAS 477864-50-9)
- 5-Chloro-N-(2,6-dichlorophenyl)-2-hydroxybenzamide (CAS 634186-05-3)
- 4-Chloro-2-(2,6-dichlorophenyl)-7-fluoro-3H-imidazo[4,5-c]pyridine (CAS 1334411-84-5)
- 4-Chloro-5-iodo-6-methoxy-2-(methylthio)pyrimidine (CAS 1433176-45-4)
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- 1-Chloro-2,4,6-tris(trifluoromethyl)benzene (CAS 444-38-2)
Recommended Standards
- 24648-13-3 DBTTF Dibenzotetrathiafulvalene [2,2 inverted exclamation mark ]Bi[benzo[1,3]dithiolylidene] (CAS 24648-13-3)
- 3,4-Dichlorobenzyl 2-chloronicotinate (CAS 481674-92-4)
- Ethyl 5-bromo-3-chloro-1-methyl-1H-indole-2-carboxylate (CAS 1082838-10-5)
- 9-methyl-4-oxo-2-(m-tolyloxy)-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde (CAS 879906-50-0)
- ethyl 2-(3-methylpyridin-2-yl)-2-oxoacetate (CAS 1260861-27-5)
- 2-Bromo-4-((2-chloro-6-fluorobenzyl)oxy)-5-methoxybenzaldehyde (CAS 1427023-60-6)
- Methyl 3-((2-methoxyethyl)(methyl)amino)propanoate (CAS 1071401-15-4)
- N-(piperidin-4-yl)benzo[d]isothiazol-3-amine hydrochloride (CAS 1353958-90-3)
- 2,2'-(1,2-Phenylene)bis(N,N-dimethylbenzo[d]oxazol-6-amine) (CAS 920491-91-4)
- Semaglutide Impurity 18 (CAS 1671100-14-3)
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