4-Chloro-2-hydroxy-1H-imidazo[4,5-c]pyridine CAS 54221-73-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 54221-73-7 |
| Molecular Formula | C6H4ClN3O |
| Molecular Weight | 169.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-2-hydroxy-1H-imidazo[4,5-c]pyridine (CAS 54221-73-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H4ClN3O. Molecular weight: 169.57 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H4ClN3O |
| Molecular Weight | 169.57 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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 7-chloro-1H-pyrazolo[4,3-d]pyrimidin-5-amine (CAS 1086398-36-8)
- 2-Chloro-4-methoxypyrimidine-5-carbonitrile (CAS 1106295-93-5)
- 3-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-6-amine (CAS 1150888-24-6)
- 7-Chloro-3H-imidazo[4,5-b]pyridine 4-oxide (CAS 115953-98-5)
- 7-Chloro-2-methyloxazolo[5,4-d]pyrimidine (CAS 118767-93-4)
- 3-Chloro-6-(hydroxymethyl)pyrazine-2-carbonitrile (CAS 1257072-48-2)
- 7-Chloro[1,2,4]triazolo[4,3-c]pyrimidin-5-amine (CAS 1306739-68-3)
- 5-Chloro-3-(furan-2-yl)-1H-1,2,4-triazole (CAS 1315346-11-2)
Recommended Standards
- 4-Chloro-1H-benzo[d][1,2,3]triazol-5-ol (CAS 860591-38-4)
- 4-chloro-3-methyl-[1,2]oxazolo[5,4-d]pyrimidine (CAS 51850-60-3)
- 4-Chloro-1H-1,2,3-benzotriazol-1-ol (CAS 39968-29-1)
- 3-(((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)amino)-1-(piperidin-1-yl)propan-1-one (CAS 102071-89-6)
- 6-Bromo-2-(4-bromophenyl)-4-chloroquinazoline (CAS 885277-83-8)
- hex-1-yn-3-amine hydrochloride (CAS 1803581-05-6)
- Des-N-Cyclopropyl Des-6-(Methylthio) Irgarol (CAS 73956-52-2)
- Isoindolo[2,1-b]isoquinolin-5(7H)-one (CAS 84245-28-3)
- 5-{2',6'-dihydroxy-[1,1'-biphenyl]-4-yl}-1H-indole-3-carbonitrile (CAS 1179347-65-9)
- Tirzepatide Impurity 45 (CAS CATO-C4X-324045)
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 13829788188 / jacky.chen@cato-chem.com