7-(4-Chlorophenyl)-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidine CAS 477851-44-8
| CAS No. | 477851-44-8 |
| Molecular Formula | C12H9ClN4S |
| Molecular Weight | 276.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 276.74 g/mol gives 7-(4-Chlorophenyl)-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-(4-Chlorophenyl)-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 477851-44-8) is a high-purity analytical reference standard with the molecular formula C12H9ClN4S and a molecular weight of 276.74 g/mol.
Based on its molecular formula C12H9ClN4S, 7-(4-Chlorophenyl)-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 276.74 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 7-(4-Chlorophenyl)-2-(methylthio)-[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 | C12H9ClN4S |
| Molecular Weight | 276.74 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 1-(4-Chlorophenyl)-4-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine (CAS 893912-39-5)
- 2-[(4-Chlorophenyl)sulfanyl]-4-methoxypyridine-3-carbonitrile (CAS 338773-69-6)
- 3-(4-Chlorophenyl)-5-(2-methylthiazol-4-yl)isoxazole (CAS 860649-67-8)
- 4-(4-Chlorophenyl)-3-(thiophen-2-yl)-2,5-dihydrofuran-2-one (CAS 851169-29-4)
- 4-[2-(2-Chlorophenyl)-1,3-thiazol-4-yl]-5-methyl-1,2-oxazole (CAS 478049-20-6)
- 4-[4-(4-Chlorophenyl)-1,3-thiazol-2-yl]-1H-pyrazol-5-amine (CAS 667399-98-6)
- 5-(4-Chlorophenyl)-4-hydrazinylthieno[2,3-d]pyrimidine (CAS 330473-50-2)
- 5-(4-Chlorophenyl)-6-methylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 379241-59-5)
Recommended Standards
- 6-Chloro-2-(2-methoxypyridin-3-yl)benzo[d]thiazole (CAS 400075-90-3)
- 7-(Chloromethyl)-3-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one (CAS 85811-56-9)
- 6-(4-Chlorophenyl)-4-(methylthio)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 68192-59-6)
- 7-Chloro-N-(p-tolyl)thiazolo[5,4-d]pyrimidin-2-amine (CAS 871266-80-7)
- 1-Cbz-azetidine-3-carboxylic Acid (CAS 97628-92-7)
- N-(4-((2-Aminoethyl)(ethyl)amino)cyclohexyl)acetamide (CAS 1353985-55-3)
- 1-(2-Chloro-4-methylphenyl)-4-(chloromethyl)-1H-1,2,3-triazole (CAS 1248480-71-8)
- 7-Bromo-2-(trifluoromethyl)-1H-benzo[d]imidazole-5-carboxylic acid (CAS 1378260-29-7)
- 2-Bromo-3-nitropyridin-4(1H)-one (CAS 99035-23-1)
- 3-Amino-4-(tert-butyl)benzoic acid (CAS 196394-09-9)
- 6-(Trifluoromethyl)-3H-imidazo[4,5-c]pyridine (CAS 156335-71-6)
- Ethyl 2-(methylsulfonyl)isonicotinate (CAS 1864061-56-2)
- 4-Borono-2-(trifluoromethyl)benzoic acid (CAS 1050424-03-7)
- Liraglutide Impurity 13 TFA Salt (CAS CATO-C4X-199213)
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