5-Amino-3-chloropicolinic acid CAS 1256810-46-4
| CAS No. | 1256810-46-4 |
| Molecular Formula | C6H5ClN2O2 |
| Molecular Weight | 172.57 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 5-Amino-3-chloropicolinic acid.
5-Amino-3-chloropicolinic acid (CAS 1256810-46-4), molecular formula C6H5ClN2O2 and molecular weight 172.57 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H5ClN2O2, 5-Amino-3-chloropicolinic 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 172.57 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 5-Amino-3-chloropicolinic 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 | C6H5ClN2O2 |
| Molecular Weight | 172.57 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 DMSO, DMF, methanol |
| 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.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Amino Standards
- 6-Amino-3-chloropicolinic acid (CAS 1020917-27-4)
- 5-Amino-4-chloropicolinic acid (CAS 1060804-26-3)
- 6-Amino-4-chloropicolinic acid (CAS 1060808-93-6)
- 6-Amino-4-chloronicotinic Acid (CAS 1060808-94-7)
- 6-Amino-2-chloronicotinic acid (CAS 1060811-66-6)
- 3-Amino-5-chloroisonicotinic acid (CAS 1256785-41-7)
- 6-Amino-5-chloropicolinic acid (CAS 1256810-56-6)
- 5-Amino-6-chloropicolinic acid (CAS 1256819-07-4)
Recommended Standards
- Methyl 5-chloro-3-pyridazinecarboxylate (CAS 1256786-31-8)
- 6-Chloro-N-hydroxypyridine-2-carboxamide (CAS 125309-38-8)
- 4-Amino-5-chloropicolinic acid (CAS 1256819-12-1)
- Methyl 5-chloropyrimidine-4-carboxylate (CAS 124999-47-9)
- 1-(Oxetan-3-yl)cyclopropane-1-carboxylic acid (CAS 1893826-12-4)
- 39181-41-4 5-(3-phenylpropyl)-1,3,4-thiadiazol-2-amine DTXSID80395163 (CAS 39181-41-4)
- 4-Chloro-n-[2-(1h-pyrazol-1-yl)ethyl]-1,3-benzothiazol-2-amine (CAS 1177299-27-2)
- N-methyl-6-nitrobenzo[d][1,3]dioxol-5-amine (CAS 7748-60-9)
- Ethyl 2-ethyl-4-methoxy-3-oxobutanoate (CAS 13420-03-6)
- Furfuryl Formate (CAS 13493-97-5)
- tert-Butyl 3-benzyl-3,6-diazabicyclo[3.1.1]heptane-6-carboxylate (CAS 869494-15-5)
- Tizanidine Unknown Impurity (CAS 5391-53-7)
- 2-Amino-6-chloro-5-nitro-4(3H)-pyrimidone (CAS 1007-99-4)
- Semaglutide impurity 75 (CAS CATO-C4X-222675)
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 18665070610 / Nicole.chen@cato-chem.com