5-Amino-3-chloro-2-hydroxybenzoic acid CAS 54669-97-5
| CAS No. | 54669-97-5 |
| Molecular Formula | C7H6ClNO3 |
| Molecular Weight | 187.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-Amino-3-chloro-2-hydroxybenzoic acid (CAS 54669-97-5) is a high-purity analytical reference standard with the molecular formula C7H6ClNO3 and a molecular weight of 187.58 g/mol.
Based on its molecular formula C7H6ClNO3, 5-Amino-3-chloro-2-hydroxybenzoic 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 187.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 5-Amino-3-chloro-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 | C7H6ClNO3 |
| Molecular Weight | 187.58 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Amino Standards
- 4-Amino-2-chloro-6-methyl-3-nitropyridine (CAS 1026907-18-5)
- 3-Amino-5-chloro-4-hydroxybenzoic acid (CAS 1042055-74-2)
- Methyl 2-amino-4-chloropyrimidine-5-carboxylate (CAS 1353503-49-7)
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Recommended Standards
- 5-Acetamidofuran-2-carbonyl chloride (CAS 56703-69-6)
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- 5-Chloro-2-methoxypyridine-4-carboxylic acid (CAS 88912-22-5)
- 1,2-Dichloro-1,1,3,3,3-pentafluoropropane (CAS 431-86-7)
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- 4-Chloro-2-(5-methylthiophen-2-yl)quinazoline (CAS 1019325-36-0)
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