3-(4-Chlorophenyl)-7-(5-(2,4-dichlorophenyl)furan-2-yl)pyrazolo[1,5-a]pyrimidine CAS 439108-97-1
| CAS No. | 439108-97-1 |
| Molecular Formula | C22H12Cl3N3O |
| Molecular Weight | 440.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
3-(4-Chlorophenyl)-7-(5-(2,4-dichlorophenyl)furan-2-yl)pyrazolo[1,5-a]pyrimidine (CAS 439108-97-1) is a high-purity analytical reference standard with the molecular formula C22H12Cl3N3O and a molecular weight of 440.71 g/mol.
Structurally, 3-(4-Chlorophenyl)-7-(5-(2,4-dichlorophenyl)furan-2-yl)pyrazolo[1,5-a]pyrimidine (C22H12Cl3N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 440.71 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 3-(4-Chlorophenyl)-7-(5-(2,4-dichlorophenyl)furan-2-yl)pyrazolo[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.
Physical & Chemical Properties
| Molecular Formula | C22H12Cl3N3O |
| Molecular Weight | 440.71 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
- 1-[(4-Chlorophenyl)sulfanyl]-4-[(2,5-dichlorophenoxy)methyl]-2-nitrobenzene (CAS 477869-50-4)
- 1-[(4-Chlorophenyl)methyl]-1-(3,3,3-trifluoro-2-hydroxypropyl)-3-[3-(trifluoromethyl)phenyl]urea (CAS 478248-81-6)
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- 2-(2-(2-Chlorophenyl)-4-phenylthiazol-5-yl)-N-(2,4-difluorophenyl)acetamide (CAS 338957-30-5)
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- Methyl 3-((7-(4-chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl)methyl)-4-methoxybenzoate (CAS 1105223-62-8)
- Methyl 3-((7-(3-chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl)methyl)-4-methoxybenzoate (CAS 1105238-47-8)
- (4-(7-(4-Chlorophenyl)-4-hydroxythieno[3,2-d]pyrimidin-2-yl)piperazin-1-yl)(furan-2-yl)methanone (CAS 1226446-87-2)
Recommended Standards
- 1-(4-(Hexadecylsulfonyl)phenyl)thiourea (CAS 95564-76-4)
- (E)-2,4-dichloro-N'-(4-((2-chlorothiazol-5-yl)methoxy)benzylidene)benzohydrazide (CAS 338393-58-1)
- Roburic Acid (CAS 6812-81-3)
- (E)-N'-((2-chlorothiazol-5-yl)methylene)-4-((3,4-dichlorobenzyl)oxy)benzohydrazide (CAS 320423-47-0)
- 6-Bromo-5-(chloromethyl)-4-(difluoromethyl)pyridin-3-ol (CAS 1804660-29-4)
- 3-(4-Fluorophenyl)-4,5,6,7-tetrahydroisoxazolo[4,5-c]pyridine (CAS 1188264-00-7)
- 3-(4-methylphenyl)piperidine (CAS 755699-91-3)
- 4-(5-Phenyl-1,3,4-thiadiazol-2-yl)benzene-1,3-diol (CAS 344567-19-7)
- Ethyl 3-iodo-5-methyl-1H-pyrazole-4-carboxylate (CAS 1629095-95-9)
- 4-Hydroxy-6-methoxyquinoline-3-carboxylic acid (CAS 28027-16-9)
- Ethyl 4-bromo-5-fluoro-2-methylbenzoate (CAS 1807043-81-7)
- 7-Fluoro-3-hydroxy-2-benzofuran-1(3H)-one (CAS 94930-46-8)
- 2-(Chloromethyl)-6-(4-chlorophenyl)-3h,4h-thieno[3,2-d]pyrimidin-4-one (CAS 851398-76-0)
- [3-31]-Semaglutide D (Sodium salt) (CAS CATO-C4X-2226119)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com