4-(3,5-dichlorobenzamido)-2-hydroxybenzoic acid CAS 926196-67-0
| CAS No. | 926196-67-0 |
| Molecular Formula | C14H9Cl2NO4 |
| Molecular Weight | 326.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 326.13 g/mol gives 4-(3,5-dichlorobenzamido)-2-hydroxybenzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(3,5-dichlorobenzamido)-2-hydroxybenzoic acid (CAS 926196-67-0), molecular formula C14H9Cl2NO4 and molecular weight 326.13 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 4-(3,5-dichlorobenzamido)-2-hydroxybenzoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 326.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 4-(3,5-dichlorobenzamido)-2-hydroxybenzoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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-(3,4-Dichlorobenzamido)-2-hydroxybenzoic acid (CAS 899299-08-2)
- 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)
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- Glycerol Impurity 48 (CAS CATO-C4X-217148)
- 15945-30-9 n-butyl-3,5-dichloro-4-methoxyenzoate (CAS 15945-30-9)
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- Methyl 5-(chlorosulfonyl)-2-methylthiophene-3-carboxylate (CAS 2090072-28-7)
- o-Iodohippuric Acid (100 mg) (CAS 147-58-0)
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