5-(4-Chlorophenyl)-7-(thiophen-2-yl)-4,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine CAS 577761-03-6
| CAS No. | 577761-03-6 |
| Molecular Formula | C15H14ClN5S |
| Molecular Weight | 331.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(4-Chlorophenyl)-7-(thiophen-2-yl)-4,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine (C15H14ClN5S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
5-(4-Chlorophenyl)-7-(thiophen-2-yl)-4,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine (CAS 577761-03-6), molecular formula C15H14ClN5S and molecular weight 331.82 g/mol, is a CATO reference standard with documented purity and traceability.
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-(4-Chlorophenyl)-7-(thiophen-2-yl)-4,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine 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 | C15H14ClN5S |
| Molecular Weight | 331.82 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
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Recommended Standards
- 5-(3-Chloro-phenyl)-4-(4-ethoxy-phenyl)-4H-[1,2,4]triazole-3-thiol (CAS 519151-97-4)
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- 5-(2-Chloro-phenyl)-4-(4-ethoxy-phenyl)-4H-[1,2,4]triazole-3-thiol (CAS 370842-91-4)
- 7-Chloro-2-(5-ethylthiophen-2-yl)-8-methylquinoline-4-carboxylic acid (CAS 777877-61-9)
- 4-Chloro-5-methyl-N-(3-(4-methylpiperazin-1-yl)phenyl)pyrimidin-2-amine (CAS 1245646-20-1)
- 3-Bromo-5-fluoro-4-nitrobenzaldehyde (CAS 1805556-89-1)
- 2,6-Dimethylpyridine-3,5-dicarboxylic acid diethyl ester (CAS 1149-24-2)
- Lumacaftor Impurity 1 (CAS 2732521-08-1)
- 2-Methyl-6-nitrophenylacetic Acid (CAS 23876-18-8)
- 1-(3-Chloro-4-methylphenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid (CAS 1264043-06-2)
- Ethyl 5-(4-fluorophenyl)-1,2,4-oxadiazole-3-carboxylate (CAS 151098-20-3)
- 3-Hydroxy-2-methoxybenzeneboronic acid pinacol ester (CAS 2121514-31-4)
- 4-(O-tolyl)tetrahydro-2H-pyran-4-carbaldehyde (CAS 902836-58-2)
- Peptide 434 (CAS CATO-CPTD788434)
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