7-Chloro-3-(2-fluorophenyl)-[1,2,4]triazolo[4,3-a]pyridine CAS 1019918-45-6
| CAS No. | 1019918-45-6 |
| Molecular Formula | C12H7ClFN3 |
| Molecular Weight | 247.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Chloro-3-(2-fluorophenyl)-[1,2,4]triazolo[4,3-a]pyridine (CAS 1019918-45-6) is a high-purity analytical reference standard with the molecular formula C12H7ClFN3 and a molecular weight of 247.66 g/mol.
Based on its molecular formula C12H7ClFN3, 7-Chloro-3-(2-fluorophenyl)-[1,2,4]triazolo[4,3-a]pyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 247.66 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 7-Chloro-3-(2-fluorophenyl)-[1,2,4]triazolo[4,3-a]pyridine 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 | C12H7ClFN3 |
| Molecular Weight | 247.66 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.) | 1988 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 4-Chloro-2-(4-fluorophenyl)pyrazolo[1,5-a]pyrazine (CAS 1031936-97-6)
- 2-Chloro-4-(4-fluorophenyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 1239876-17-5)
- 4-Chloro-2-(3-fluorophenyl)pyrazolo[1,5-a]pyrazine (CAS 1338690-83-7)
- 4-Chloro-6-(4-fluorophenyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 1350639-97-2)
- 3-(2-Chloro-5-fluoropyrimidin-4-yl)-1H-indole (CAS 1356962-85-0)
- 5-Chloro-2-(6-fluoropyridin-3-yl)-1H-benzoimidazole (CAS 1372092-49-3)
- 5-Chloro-3-(4-fluorophenyl)pyrazolo[1,5-a]pyrimidine (CAS 1956330-85-0)
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Recommended Standards
- tert-Butyl (6-chloro-3-fluoropyrazin-2-yl)carbamate (CAS 2639836-52-3)
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- 3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-5-sulfonyl chloride (CAS 1049652-25-6)
- Ethyl 2-(5-amino-2-chloro-4-fluorophenoxy)acetate (CAS 91920-52-4)
- 3'-Methyl-[1,1'-biphenyl]-3-carbaldehyde (CAS 216443-78-6)
- 2-(Piperidin-4-yloxy)pyrimidine hydrochloride (CAS 412293-92-6)
- 2-(2-Bromo-4-methyl-phenylsulfanyl)-ethanol (CAS 90561-11-8)
- Flunarizine Impurity 59 (CAS 114312-65-1)
- 6,9-Bis((4-aminobutyl)amino)benzo[g]isoquinoline-5,10-dione (CAS 144511-04-6)
- 10-Undecenoic Acid-Methyl Ester (CAS 111-81-9)
- (3-(3-Fluoro-4-methoxyphenyl)-1,2,4-oxadiazol-5-yl)methanamine hydrochloride (CAS 1638612-43-7)
- Ethyl 2-(4-(aminomethyl)phenyl)acetate hydrochloride (CAS 17841-69-9)
- Fmoc-β-Ala-L-Arg(NO2)- OH (CAS CATO-CPTD788975)
- Vasonatrin Peptide (VNP) trifluoroacetate salt (CAS 141676-35-9)
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