3-Chloro-7-(4-fluorophenyl)-2-methylpyrazolo[1,5-a]pyrimidine CAS 676333-55-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 676333-55-4 |
| Molecular Formula | C13H9ClFN3 |
| Molecular Weight | 261.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-7-(4-fluorophenyl)-2-methylpyrazolo[1,5-a]pyrimidine (CAS 676333-55-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H9ClFN3. Molecular weight: 261.68 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H9ClFN3 |
| Molecular Weight | 261.68 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.) | 1985 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 4-((2-Chloro-4-fluorobenzyl)oxy)benzonitrile (CAS 1019468-73-5)
- 2-(4-Chloro-2-methylphenoxy)-6-fluorobenzonitrile (CAS 1020252-17-8)
- 7-Benzyl-4-chloro-5-fluoro-7H-pyrrolo[2,3-d]pyrimidine (CAS 1380310-83-7)
- Methyl [(2-chloro-4-nitrophenyl)thio]acetate (CAS 139326-35-5)
- 3-Chloro-4-((4-fluorobenzyl)oxy)benzonitrile (CAS 5516-26-7)
- 5-Chloro-2-(4-fluorophenyl)-7-methylimidazo[1,2-a]pyrimidine (CAS 866050-57-9)
- 8-Chloro-6-(difluoromethyl)-2-(methylthio)pyrido[3,4-d]pyrimidine (CAS 2761028-19-5)
- 6-Chloro-2-(4-fluorophenyl)-8-methylimidazo[1,2-b]pyridazine (CAS 1228217-15-9)
Recommended Standards
- 3-ethyl-2-oxo-2,3-dihydro-1,3-benzoxazole-6-sulfonyl chloride (CAS 878432-93-0)
- 3-((4-Chlorophenyl)sulfonyl)oxazolidin-2-one (CAS 74668-35-2)
- 4-Methyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-sulfonyl chloride (CAS 27320-81-6)
- 2,6-Dimethoxycinnamic Acid (CAS 76197-69-8)
- 4,6-Dibromo-2-(naphthalen-1-yl)benzo[d]oxazol-5-amine (CAS 637303-02-7)
- Methyl 1-((3,5-dimethyl-4-nitro-1h-pyrazol-1-yl)methyl)-1h-pyrazole-3-carboxylate (CAS 1006437-94-0)
- (E)-5-Ethylideneimidazolidine-2,4-dione (CAS 137920-50-4)
- 2-[4-(5-Methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]-N-(3-phenylpropyl)acetamide (CAS 1775353-23-5)
- (1R,3r)-3-(3-chlorophenyl)cyclobutan-1-amine hydrochloride (CAS 1807939-90-7)
- Semaglutide Impurity 188 (CAS CATO-C4X-2226188)
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