2-(1-(2-Chlorophenyl)-1H-pyrazol-5-yl)pyrimidine CAS 1269293-18-6
| CAS No. | 1269293-18-6 |
| Molecular Formula | C13H9ClN4 |
| Molecular Weight | 256.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-(1-(2-Chlorophenyl)-1H-pyrazol-5-yl)pyrimidine (C13H9ClN4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 256.69 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
2-(1-(2-Chlorophenyl)-1H-pyrazol-5-yl)pyrimidine (CAS 1269293-18-6) is a high-purity analytical reference standard with the molecular formula C13H9ClN4 and a molecular weight of 256.69 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(1-(2-Chlorophenyl)-1H-pyrazol-5-yl)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.
Physical & Chemical Properties
| Molecular Formula | C13H9ClN4 |
| Molecular Weight | 256.69 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chlorophenyl Standards
- 2-(1-(4-Chlorophenyl)-1H-pyrazol-5-yl)pyrimidine (CAS 1269291-24-8)
- 2-(1-(3-Chlorophenyl)-1H-pyrazol-5-yl)pyrimidine (CAS 1269293-31-3)
- 2-(2-chlorophenyl)-3-oxo-3-(pyridin-3-yl)propanenitrile (CAS 1291439-19-4)
- 2-(4-Chlorophenyl)phthalazin-2-ium-4-olate (CAS 156453-05-3)
- 2-(4-Chlorophenyl)phthalazin-1(2H)-one (CAS 161716-23-0)
- 2-(4-Chlorophenyl)-5-phenyl-1,3,4-oxadiazole (CAS 1874-43-7)
- (4-Chlorophenyl)(imidazo[1,2-a]pyridin-3-yl)methanone (CAS 261948-83-8)
- 1-(2-Chlorophenyl)quinazolin-4(1H)-one (CAS 92104-29-5)
Recommended Standards
- tert-Butyl (4-chloro-5-formylpyridin-2-yl)carbamate (CAS 1260667-76-2)
- tert-Butyl (5-chloro-4-formylpyridin-2-yl)carbamate (CAS 1260666-98-5)
- 1-(4-Chloro-2-nitrophenyl)-4-piperidinol (CAS 1292189-51-5)
- n-{[4-(carbamoylmethoxy)phenyl]methyl}-2-chloroacetamide (CAS 1258650-32-6)
- N-butyl-3-hydroxybenzene-1-sulfonamide (CAS 1082469-96-2)
- 2-(2-Methoxy-ethoxy)-N-{4-[2-(2-methoxy-ethoxy)-acetylamino]-phenyl}-acetamide (CAS 24200-41-7)
- 2-(Pyridazin-4-yl)thiazole-4-carboxylic acid (CAS 955400-58-5)
- 1-(2-Methyl-5,6,7,8-tetrahydroquinazolin-4-yl)-1H-pyrazole-3-carboxylic acid (CAS 1707373-05-4)
- 2-[2-methyl-4-(thiophen-2-yl)-1,3-thiazol-5-yl]acetic acid (CAS 314032-13-8)
- (2S,4R)-1-(tert-butoxycarbonyl)-4-(naphthalen-2-ylmethoxy)pyrrolidine-2-carboxylic acid (CAS 630425-40-0)
- O-(1-methylpiperidin-4-yl)hydroxylamine dihydrochloride (CAS 132710-75-9)
- 5-(4-Aminophenyl)-2,3-dihydro-1h-pyrazol-3-one (CAS 908254-18-2)
- 2-Ethylbutanenitrile (CAS 617-80-1)
- Semaglutide impurity 29 (CAS 1188328-22-4)
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