5-chloro-[1,2,4]triazolo[1,5-a]pyrimidine CAS 89364-06-7
| CAS No. | 89364-06-7 |
| Molecular Formula | C5H11ClN4 |
| Molecular Weight | 162.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H11ClN4, 5-chloro-[1,2,4]triazolo[1,5-a]pyrimidine contains a nitrile group, chlorine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 162.62 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5-chloro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 89364-06-7) is a high-purity analytical reference standard with the molecular formula C5H11ClN4 and a molecular weight of 162.62 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), 5-chloro-[1,2,4]triazolo[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.
Physical & Chemical Properties
| Molecular Formula | C5H11ClN4 |
| Molecular Weight | 162.62 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related chloro Standards
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- 5-chloro-2-ethyl-1H-imidazole-4-carbaldehyde (CAS 145824-12-0)
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- 5-chloro-1H-pyrazolo[4,3-d]pyrimidine (CAS 633328-98-0)
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Recommended Standards
- 4-chlorofuro[2,3-d]pyrimidine (CAS 918340-51-9)
- 6-chloro-[1,2,4]triazolo[1,5-a]pyrazine (CAS 51519-29-0)
- 2-amino-4-chloro-pyridine-3-carbaldehyde (CAS 884004-48-2)
- 6-chloro-3H-[1,2,3]triazolo[4,5-b]pyridine (CAS 408314-14-7)
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- Ethyl 5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine-2-carboxylate dihydrochloride hydrate (CAS 892502-00-0)
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- 5-Fluoro-2-(thiophen-2-yl)benzoic acid (CAS 926237-42-5)
- Semaglutide impurity 108 (CAS CATO-C4X-2226108)
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