7-Chloro-3-(tetrahydro-2H-pyran-4-yl)-[1,2,4]triazolo[4,3-c]pyrimidine CAS 1343379-55-4
| CAS No. | 1343379-55-4 |
| Molecular Formula | C10H11ClN4O |
| Molecular Weight | 238.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 7-Chloro-3-(tetrahydro-2H-pyran-4-yl)-[1,2,4]triazolo[4,3-c]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-Chloro-3-(tetrahydro-2H-pyran-4-yl)-[1,2,4]triazolo[4,3-c]pyrimidine (CAS 1343379-55-4), molecular formula C10H11ClN4O and molecular weight 238.67 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 7-Chloro-3-(tetrahydro-2H-pyran-4-yl)-[1,2,4]triazolo[4,3-c]pyrimidine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 238.67 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C10H11ClN4O |
| Molecular Weight | 238.67 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
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- (2,6-Bis((dimethylamino)methyl)phenyl)boronic acid (CAS 89291-18-9)
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