5-(Chloromethyl)-2-phenylpyrazolo[1,5-a]pyrimidin-7-ol CAS 189018-16-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 189018-16-4 |
| Molecular Formula | C13H10ClN3O |
| Molecular Weight | 259.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Chloromethyl)-2-phenylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 189018-16-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H10ClN3O. Molecular weight: 259.69 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H10ClN3O |
| Molecular Weight | 259.69 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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- 5-(Chloromethyl)-2-phenylpyrazolo[1,5-a]pyrimidin-7(1H)-one (CAS 948239-15-4)
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Recommended Standards
- 3-(2-Chloro-5-methoxypyrimidin-4-yl)-1H-indole (CAS 1883594-16-8)
- 6-Chloro-5-methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 189018-17-5)
- 1-Chloro-3-ethoxy-5-nitro-2-(propan-2-yloxy)benzene (CAS 1881332-33-7)
- 1032825-19-6 {1-[3-(Propan-2-yl)-1,2,4-oxadiazol-5-yl]piperidin-4-yl}methyl methanesulfonate DTXSID50728303 (CAS 1032825-19-6)
- 2,4-Dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid (CAS 59299-01-3)
- N-(oxolan-2-ylmethylidene)hydroxylamine (CAS 23247-31-6)
- 1-(4-Bromophenyl)-1H-imidazole-4-carboxamide (CAS 1427010-99-8)
- 6-Methyl-[1,2,4]triazolo[1,5-a][1,3,5]triazine-7(6H)-thione (CAS 35101-92-9)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (2-methyl-5-propylthiophen-3-yl)boronate (CAS 2223031-62-5)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
Why CATO?
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