2-Amino-3-chloropyridin-4-ol CAS 1261269-43-5
| CAS No. | 1261269-43-5 |
| Molecular Formula | C5H5ClN2O |
| Molecular Weight | 144.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H5ClN2O, 2-Amino-3-chloropyridin-4-ol contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 144.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 2-Amino-3-chloropyridin-4-ol (CAS 1261269-43-5), a certified reference material (molecular formula C5H5ClN2O, MW 144.56 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.
As a certified reference material (CRM), 2-Amino-3-chloropyridin-4-ol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H5ClN2O |
| Molecular Weight | 144.56 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Amino Standards
- 2-Amino-4-chloro-3-hydroxypyridine (CAS 1003710-73-3)
- 2-amino-5-chloropyridin-4-ol (CAS 1121585-12-3)
- 3-Amino-4-chloropyridin-2(1H)-one (CAS 1198154-61-8)
- 5-Amino-6-chloropyridin-3-ol (CAS 1211537-54-0)
- 4-Amino-2-chloropyridin-3-ol (CAS 1227508-94-2)
- 5-Amino-6-chloropyridin-2-ol (CAS 1227581-42-1)
- 4-Amino-6-chloropyridin-2(1H)-one (CAS 1227600-15-8)
- 3-Amino-2-chloropyridin-4-ol (CAS 1242251-52-0)
Recommended Standards
- 3-Amino-6-chloropyridin-2(1H)-one (CAS 1256808-08-8)
- O-(3-Chloropyridin-2-yl)hydroxylamine (CAS 128080-08-0)
- 5-Chloro-1-methyl-1H-imidazole-4-carbaldehyde (CAS 1256560-89-0)
- 5-Amino-3-chloro-2(1H)-pyridinone (CAS 1314916-27-2)
- Perfluorophenyl 2-morpholinothiazole-4-carboxylate (CAS 921939-02-8)
- 4-Hydroxy-3-methoxy Amphetamine-d3 Hydrochloride (CAS 1795013-56-7)
- Dimethyl Hexanedioate-3,3,4,4-d4 (CAS 55724-08-8)
- 2-Cyclopropyl-N-methyl-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide (CAS 1350707-64-0)
- 1-[4-Amino-7-(3-hydroxypropyl)-5-(4-methylphenyl)-7H-pyrrolo[2,3-d]pyrimidin-6-yl]-2-chloro-ethanone-d6 (CAS 1329838-71-2)
- 1,4-Dihydroquinoline-3-carbonitrile (CAS 50741-28-1)
- (E)-[1-(4-Chlorophenyl)-3-(4-methylbenzenesulfonyl)propylidene][(3-fluorophenyl)methoxy]amine (CAS 477867-78-0)
- 1-Methyl-1h-pyrazole-4-sulfonohydrazide (CAS 1006356-34-8)
- 1-(2-(Benzylthio)-4,5-dihydro-1H-imidazol-1-yl)-2-(4-ethoxyphenyl)ethan-1-one (CAS 851864-38-5)
- ([13C6]Leu14)-Glucagon (1-29) (human, rat, porcine) trifluoroacetate salt (CAS 1802078-39-2)
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