5-Phenyl-7-(p-tolyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine CAS 118757-36-1
| CAS No. | 118757-36-1 |
| Molecular Formula | C18H16N4 |
| Molecular Weight | 288.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 5-Phenyl-7-(p-tolyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 118757-36-1), a certified reference material (molecular formula C18H16N4, MW 288.35 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, 5-Phenyl-7-(p-tolyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 288.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 5-Phenyl-7-(p-tolyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H16N4 |
| Molecular Weight | 288.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
Recommended Standards
- N-(2-((6-(2-Methyl-1H-imidazol-1-yl)pyrimidin-4-yl)amino)ethyl)butyramide (CAS 1171426-53-1)
- (5Z)-2-Sulfanylidene-5-{[2-(1H-1,2,4-triazol-1-yl)phenyl]methylidene}-1,3-thiazolidin-4-one (CAS 860789-53-3)
- 1-Pyrenebutyric Acid (CAS 3443-45-6)
- (S)-2-Amino-4-((1-phenylethyl)amino)quinoline-3-carbonitrile (CAS 477708-01-3)
- 6-Ethyl-3-methylquinoline-2-thiol (CAS 917749-59-8)
- Xanomeline N-Oxide (CAS 174656-58-7)
- 6-Chloro-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine (CAS 1174644-99-5)
- 3-Phosphonobenzoic acid (CAS 14899-31-1)
- (1-(Pyrrolidin-1-ylmethyl)cyclopropyl)methanamine dihydrochloride (CAS 1001345-81-8)
- (S)-3-Amino-1-ethyl-2-azepanone Hydrochloride (CAS 943843-30-9)
- Methyl 2-(5-(2-chloroacetyl)-1-methyl-1H-pyrrol-2-yl)acetate (CAS 617721-31-0)
- 4-(4-cyclohexylphenyl)-1,3-thiazol-2-amine hydrochloride (CAS 129377-48-6)
- 3-ethoxy-3-methylazetidine (CAS 1416586-63-4)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com