8-Chloro-7-methylpyrazolo[1,5-a][1,3,5]triazin-4(1H)-one CAS 55457-65-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55457-65-3 |
| Molecular Formula | C6H5ClN4O |
| Molecular Weight | 184.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
8-Chloro-7-methylpyrazolo[1,5-a][1,3,5]triazin-4(1H)-one (CAS 55457-65-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H5ClN4O. Molecular weight: 184.58 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H5ClN4O |
| Molecular Weight | 184.58 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 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 | 4 |
Related Chloro Standards
- 7-Chloro-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one (CAS 105544-33-0)
- 4-Chloro-6-methoxy-1H-pyrazolo[3,4-d]pyrimidine (CAS 1060816-54-7)
- (6-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methanol (CAS 1175301-94-6)
- 4-Chloro-3,7-dihydro-1H-pyrrolo[2,3-b]pyridine-2,6-dione (CAS 1190313-44-0)
- 6-Chloro-4-hydroxy-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190314-80-7)
- 5-Chloro-1H-pyrrolo[2,3-b]pyridine-2,6(3H,7H)-dione (CAS 1190315-19-5)
- 8-CHLORO-1H-PYRIDO[2,3-B][1,4]OXAZIN-2(3H)-ONE (CAS 1198154-62-9)
- 2-Chloro-5-formylbenzoic acid (CAS 1206625-81-1)
Recommended Standards
- 7-chlorobenzo[d][1,3]dioxole-5-carbaldehyde (CAS 88525-51-3)
- Clopidogrel Impurity 87 (CAS 26118-14-9)
- 7-Chloro-6-hydroxybenzofuran-3(2H)-one (CAS 201288-69-9)
- 7-Chloro-1-(4-fluoro-3-methylphenyl)-1-oxoheptane (CAS 898761-10-9)
- Glutaric Acid (CAS 110-94-1)
- 3-[[(4-Fluorophenyl)sulfonyl]methylamino]-1,2,3,4-tetrahydro-9H-carbazole-9-acetic acid (CAS 844639-57-2)
- 1-Methyl-4-oxo-1,4-dihydropyridine-3-carbonitrile (CAS 767-98-6)
- 2-(4-Methoxyphenyl)cyclopropan-1-amine hydrochloride (CAS 91799-44-9)
- 2-(4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)phenoxy)-1-(4-fluorophenyl)ethan-1-one (CAS 339020-21-2)
- Insulin Degludec Impurity 20 (CAS CATO-C4X-215720)
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