3-(4-Chlorophenyl)-5-(3-fluoro-4-methoxyphenyl)-6-methylpyrazolo[1,5-a]pyrimidine CAS 861207-17-2
| CAS No. | 861207-17-2 |
| Molecular Formula | C20H15ClFN3O |
| Molecular Weight | 367.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-(4-Chlorophenyl)-5-(3-fluoro-4-methoxyphenyl)-6-methylpyrazolo[1,5-a]pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
3-(4-Chlorophenyl)-5-(3-fluoro-4-methoxyphenyl)-6-methylpyrazolo[1,5-a]pyrimidine (CAS 861207-17-2), molecular formula C20H15ClFN3O and molecular weight 367.80 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 3-(4-Chlorophenyl)-5-(3-fluoro-4-methoxyphenyl)-6-methylpyrazolo[1,5-a]pyrimidine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 367.80 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H15ClFN3O |
| Molecular Weight | 367.80 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
- 5-[(4-Chlorophenyl)methoxy]-2-(4-fluorophenyl)-7-methylimidazo[1,2-a]pyrimidine (CAS 866050-73-9)
- 3-(4-Chlorophenyl)-1-methyl-4-[3-(trifluoromethyl)benzoyl]pyrrolidine (CAS 343374-74-3)
- (2E)-3-(4-Chlorophenyl)-2-[5-(2-fluorobenzoyl)thiophen-2-yl]prop-2-enenitrile (CAS 338966-82-8)
- (2E)-3-(4-Chlorophenyl)-2-[5-(4-fluorobenzoyl)thiophen-2-yl]prop-2-enenitrile (CAS 338966-81-7)
- 4-[(4-Chlorophenyl)sulfanyl]-2-(pyridin-2-yl)-6-(trifluoromethyl)pyrimidine (CAS 338418-08-9)
- 5-[(4-Chlorophenyl)sulfanyl]-3-phenyl-6-(trifluoromethyl)-1,2,4-triazine (CAS 383148-38-7)
- (4-((4-Chlorophenyl)amino)quinolin-3-yl)(morpholino)methanone (CAS 1021262-24-7)
- 2-(2-Chlorophenyl)-1-[2-(3-phenyl-1,2,4-oxadiazol-5-yl)pyrrolidin-1-yl]ethan-1-one (CAS 1788753-89-8)
Recommended Standards
- 2-Ethoxy-5-(4-formylbenzamido)benzenesulfonyl chloride (CAS 680618-05-7)
- 4-(2-Chloro-6-fluorobenzylidene)-1,2,3,4-tetrahydroacridine-9-carboxylic acid (CAS 565167-98-8)
- 6-Chloro-4-[(4-methylphenyl)sulfonyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid (CAS 1858256-16-2)
- 4-[(1E)-[(3-Chloro-4-fluorophenyl)imino]methyl]phenyl 4-methylbenzoate (CAS 331460-60-7)
- 6-Chloro-N-ethylpyridine-3-carboxamide (CAS 54864-84-5)
- 6-(Propan-2-yloxy)naphthalen-2-ol (CAS 1881288-69-2)
- 5-(Azetidin-3-yloxy)isoquinoline dihydrochloride (CAS 213007-93-3)
- Cabozantinib Impurity 19 (CAS CATO-C4X-201819)
- N-(2-(2-Fluorophenyl)acetyl)-3-phenylpropiolamide (CAS 1956377-25-5)
- 1-(4-Fluorobenzyl)piperidin-3-amine dihydrochloride (CAS 1158259-00-7)
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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