3-(4-Chlorophenyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine CAS 1250142-90-5
| CAS No. | 1250142-90-5 |
| Molecular Formula | C11H11ClN4 |
| Molecular Weight | 234.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 234.68 g/mol gives 3-(4-Chlorophenyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(4-Chlorophenyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine (CAS 1250142-90-5) is a high-purity analytical reference standard with the molecular formula C11H11ClN4 and a molecular weight of 234.68 g/mol.
3-(4-Chlorophenyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine (C11H11ClN4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 3-(4-Chlorophenyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine 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 | C11H11ClN4 |
| Molecular Weight | 234.68 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chlorophenyl Standards
- 1-[1-(3-chlorophenyl)-5-methyl-1h-pyrazol-4-yl]ethan-1-one (CAS 10021-79-1)
- 1-(3-chlorophenyl)-3-cyclopropyl-4,5-dihydro-1H-pyrazol-5-one (CAS 1057093-34-1)
- 3-[(3-chlorophenyl)methoxy]pyridin-2-amine (CAS 107229-62-9)
- 2-(2-chlorophenyl)-1-(3-methylfuran-2-yl)ethan-1-one (CAS 1178445-24-3)
- 2-(2-Chlorophenyl)-1-(2-methylfuran-3-yl)ethan-1-one (CAS 1178926-70-9)
- 2-(2-Chlorophenyl)-1-(5-methylfuran-2-yl)ethan-1-one (CAS 1179082-20-2)
- 3-(4-Chlorophenyl)-4,5,6,7-tetrahydroisoxazolo[4,5-c]pyridine (CAS 1188264-31-4)
- 2-(3-chlorophenyl)-2H,3H,3aH,4H,5H,6H-cyclopenta[c]pyrazol-3-one (CAS 1249612-44-9)
Recommended Standards
- 2-Chloro-6-(2-ethyl-1h-imidazol-1-yl)benzaldehyde (CAS 1249905-05-2)
- 2-Chloro-6-(4,5-dimethyl-1h-imidazol-1-yl)benzaldehyde (CAS 1250532-16-1)
- 5-(3-Chloro-4-methoxyphenyl)pyridin-2-amine (CAS 1249690-86-5)
- Methyl 2-chloro-2-(naphthalen-1-yl)acetate (CAS 1250731-69-1)
- 3-Bromo-5-methyl-4-nitropyridine (CAS 1379323-18-8)
- 5-((4-Chlorophenyl)amino)dihydropyrimidine-2,4(1H,3H)-dione (CAS 6340-68-7)
- Tert-butyl (1R,3R)-1-amino-3-hydroxy-8-azaspiro[4.5]Decane-8-carboxylate (CAS 2306255-64-9)
- N-Cyclopropyl-N-(piperidin-3-ylmethyl)acetamide (CAS 1353977-58-8)
- Boc-Nalpha-methyl-DL-tryptophan (CAS 1452574-00-3)
- (S)-3'-Bromo-4'H,6'H-spiro[piperidine-4,5'-pyrrolo[1,2-b]pyrazol]-4'-amine (CAS 2843690-95-7)
- 2,5-Bis(bromomethyl)benzenesulfonic acid (CAS 1204-10-0)
- 5,5-Dimethyl-5,6-dihydrobenzofuran-7(4H)-one (CAS 191480-96-3)
- 5-Bromo-2,3-difluorophenol (CAS 186590-26-1)
- Des-Leu14-Tirzepatide (CAS CATO-CPTD788959)
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