7-chloro-5-methyl-[1,2,4]triazolo[4,3-c]pyrimidine CAS 1354951-50-0
| CAS No. | 1354951-50-0 |
| Molecular Formula | C6H13ClN4 |
| Molecular Weight | 176.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 176.65 g/mol gives 7-chloro-5-methyl-[1,2,4]triazolo[4,3-c]pyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-chloro-5-methyl-[1,2,4]triazolo[4,3-c]pyrimidine (CAS 1354951-50-0) is a high-purity analytical reference standard with the molecular formula C6H13ClN4 and a molecular weight of 176.65 g/mol.
Based on its molecular formula C6H13ClN4, 7-chloro-5-methyl-[1,2,4]triazolo[4,3-c]pyrimidine contains a nitrile group, chlorine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 176.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 7-chloro-5-methyl-[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.
Physical & Chemical Properties
| Molecular Formula | C6H13ClN4 |
| Molecular Weight | 176.65 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.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related chloro Standards
- 5-chloro-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 1080467-50-0)
- 7-chloro-3-methyl-[1,2,4]triazolo[4,3-c]pyrimidine (CAS 1094292-91-7)
- 6-chloro-1H-pyrazolo[4,3-c]pyridin-3-amine (CAS 1206979-75-0)
- 5-chloro-3-methyl-2H-pyrazolo[4,3-d]pyrimidine (CAS 1208863-75-5)
- 5-chloro-1H-pyrazolo[3,4-b]pyridin-3-amine (CAS 1245643-75-7)
- 5-chloro-1H-pyrazolo[4,3-b]pyridin-3-amine (CAS 1268522-21-9)
- 5-chloro-3-methyl-triazolo[4,5-b]pyridine (CAS 1353777-54-4)
- 6-chloro-1-methyl-pyrazolo[3,4-b]pyrazine (CAS 1539296-65-5)
Recommended Standards
- 7-chloropyrrolo[2,1-f][1,2,4]triazin-4-amine (CAS 1497424-16-4)
- 5-(chloromethyl)-1-cyclobutyl-1H-1,2,3,4-tetrazole (CAS 1344114-53-9)
- 6-chloro-3-methyl-1H-pyrazolo[3,4-b]pyrazine (CAS 1638768-76-9)
- 5-chloro-1H-pyrazolo[3,4-b]pyridin-6-amine (CAS 1710293-78-9)
- Ethyl 2,2-Difluoro-2-(2-nitrophenyl)acetate (CAS 1308915-12-9)
- 8-(Piperidin-3-yl)-9H-purine (CAS 1499818-35-7)
- 3-Fluoro-N-((tetrahydro-2h-pyran-4-yl)methyl)aniline (CAS 1459156-56-9)
- 3-(2-(1H-indol-3-yl)oxazol-4-yl)propan-1-amine hydrochloride (CAS 2448337-79-7)
- (6-(9,9-Dihexyl-9H-fluoren-2-yl)pyridin-3-yl)methanol (CAS 921754-95-2)
- 2-(((2-Bromopyridin-4-yl)methyl)amino)ethanol (CAS 1353962-12-5)
- 6-Fluoro-3-methylpicolinic acid (CAS 1211536-96-7)
- N-(2,6-dimethylphenyl)-6-(1H-1,2,4-triazol-1-yl)nicotinamide (CAS 672951-15-4)
- 3-(Tetrahydrofuran-2-yl)propyl dodecanoate (CAS 5453-18-9)
- 59880-97-6 Chemotactic peptide F-Met-Leu-Phe L-Phenylalanine, N-(N-(N-formyl-L-methionyl)-L-leucyl)- N-Formyl-L-methionyl-L-leucyl-L-phenylalanine N-Formyl-Met-Leu-Phe N-Formylmethionine leucyl-phenylalanine fMLF fMLP (misnomer but widely used) (CAS 59880-97-6)
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