7-{[1,1'-biphenyl]-4-yl}-2-methylpyrazolo[1,5-a]pyrimidine CAS 861209-54-3
| CAS No. | 861209-54-3 |
| Molecular Formula | C19H15N3 |
| Molecular Weight | 285.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 7-{[1,1'-biphenyl]-4-yl}-2-methylpyrazolo[1,5-a]pyrimidine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
7-{[1,1'-biphenyl]-4-yl}-2-methylpyrazolo[1,5-a]pyrimidine (CAS 861209-54-3) is a high-purity analytical reference standard with the molecular formula C19H15N3 and a molecular weight of 285.34 g/mol.
The molecular framework of 7-{[1,1'-biphenyl]-4-yl}-2-methylpyrazolo[1,5-a]pyrimidine (C19H15N3) is characterized by a nitrogen-containing heterocyclic scaffold, a nitrile group. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
Physical & Chemical Properties
| Molecular Formula | C19H15N3 |
| Molecular Weight | 285.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 7-(Tert-butyl) 9-methyl 3-oxa-7-azabicyclo[3.3.1]Nonane-7,9-dicarboxylate (CAS 2117106-55-3)
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- 6-Cyclopentyl-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 55376-73-3)
- 7-Methyl-2-(4-methylpiperidin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde (CAS 433325-87-2)
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- methyl 3-cyano-4-hydroxy-benzoate (CAS 156001-68-2)
- PBDB-T-S (CAS 1879922-15-2)
- 9-Chloro-9-phenyl-9H-9-silafluorene (CAS 18766-52-4)
- 6-Iodo-N,N-dimethylbenzo[d][1,3]dioxol-5-amine (CAS 1061318-82-8)
- 6-Butyl-4-(4-methoxyphenyl)-3,4,6,7-tetrahydro-1H-pyrrolo[3,4-d]pyrimidine-2,5-dione (CAS 923114-08-3)
- 6-Methoxy-2-methyl-2,3,4,5-tetrahydropyridine (CAS 61586-88-7)
- 3-Benzyl-3-azabicyclo[3.1.1]heptane (CAS 1352925-67-7)
- 3-(2-Bromophenyl)-2,2-dimethylpropan-1-ol (CAS 149080-25-1)
- GnRH Associated Peptide (GAP) (1-13), human (CAS 100111-07-7)
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