4-(3,4-Dichlorobenzamido)-2-hydroxybenzoic acid CAS 899299-08-2
| CAS No. | 899299-08-2 |
| Molecular Formula | C14H9Cl2NO4 |
| Molecular Weight | 326.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-(3,4-Dichlorobenzamido)-2-hydroxybenzoic acid (C14H9Cl2NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 326.13 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 4-(3,4-Dichlorobenzamido)-2-hydroxybenzoic acid (CAS 899299-08-2), a certified reference material (molecular formula C14H9Cl2NO4, MW 326.13 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C14H9Cl2NO4 |
| Molecular Weight | 326.13 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, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichlorobenzamido Standards
- 4-(3,5-dichlorobenzamido)-2-hydroxybenzoic acid (CAS 926196-67-0)
- 5-(3,5-dichlorobenzamido)-2-hydroxybenzoic acid (CAS 926187-11-3)
- 2-(2,5-Dichlorobenzamido)-5-methylbenzoic acid (CAS 1036516-96-7)
- 2-(2,4-Dichlorobenzamido)-5-methylbenzoic acid (CAS 518021-63-1)
- Methyl 2-(2,4-dichlorobenzamido)benzoate (CAS 82525-34-6)
- 3-(2,4-Dichlorobenzamido)-4-methylthiophene-2-carboxylic acid (CAS 866151-45-3)
- 3-(2,6-Dichlorobenzamido)-4-methylthiophene-2-carboxylic acid (CAS 866152-24-1)
- 1-(2,6-Dichlorobenzamido)cycloheptane-1-carboxylic acid (CAS 912763-77-0)
Recommended Standards
- 2-Iodo-5-(phenylmethoxy)phenol (CAS 90408-82-5)
- 2-Benzyloxy-4-iodophenol (CAS 289471-92-7)
- 2-((2,6-Dichlorobenzyl)oxy)-5-nitrobenzaldehyde (CAS 219539-46-5)
- n-(4-Iodophenyl)-1-methyl-1h-pyrrole-2-carboxamide (CAS 853724-57-9)
- Chloromethyl 2,2,2-Trichloroethyl Ether (CAS 69573-75-7)
- 3-(4-methylpiperazin-1-yl)oxolane-3-carboxylic acid dihydrochloride (CAS 2060041-56-5)
- 2-Ethynyl-3-methoxypyrazine (CAS 1357945-86-8)
- 4-Allyl-7,7-diphenyl-1,4-oxazepane (CAS 62537-41-1)
- 3-Methyl-5-phenyl-1H-pyrazole-1-carboximidamide (CAS 492439-46-0)
- 3-(4-Methoxyphenyl)-1-(4-(trifluoromethyl)phenyl)propan-1-one (CAS 898776-07-3)
- 9'-(2-Ethylhexyl)-9'H-9,2':7',9''-tercarbazole (CAS 1021423-90-4)
- 6-Amino-2-((2-fluorobenzyl)thio)pyrimidin-4-ol (CAS 354582-82-4)
- Ozagrel Impurity 23 (CAS 78712-44-4)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
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