2-amino-4,6-dichlorobenzoic acid CAS 20776-63-0
| CAS No. | 20776-63-0 |
| Molecular Formula | C7H5Cl2NO2 |
| Molecular Weight | 206.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-amino-4,6-dichlorobenzoic acid.
2-amino-4,6-dichlorobenzoic acid (CAS 20776-63-0), molecular formula C7H5Cl2NO2 and molecular weight 206.03 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H5Cl2NO2, 2-amino-4,6-dichlorobenzoic acid contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 206.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 2-amino-4,6-dichlorobenzoic 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 | C7H5Cl2NO2 |
| Molecular Weight | 206.03 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | >95% |
| 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; 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.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related amino Standards
- 3-Amino-2,6-dichloroisonicotinamide (CAS 1263378-64-8)
- 2-Amino-4,6-dichloronicotinamide (CAS 1388817-05-7)
- 1-(2-Amino-4,6-dichloropyrimidin-5-yl)ethanone (CAS 848697-05-2)
- 1-(3-Amino-5,6-dichloropyrazin-2-yl)ethanone (CAS 97131-90-3)
- 2-(2-Amino-4,6-dichloropyrimidin-5-yl)acetaldehyde (CAS 97570-31-5)
- 2-Amino-3,4-dichlorobenzoic acid (CAS 20776-62-9)
- 2-Amino-3,5-dichlorobenzoic Acid (CAS 2789-92-6)
- 2-Amino-3,6-dichlorobenzoic acid (CAS 3032-32-4)
Recommended Standards
- Methyl 4,6-dichloropicolinate (CAS 98273-19-9)
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