5-chloro-2-methyl-[1,2,4]triazolo[1,5-c]pyrimidine CAS 76044-37-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 76044-37-6 |
| Molecular Formula | C6H5ClN4 |
| Molecular Weight | 168.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-chloro-2-methyl-[1,2,4]triazolo[1,5-c]pyrimidine (CAS 76044-37-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H5ClN4. Molecular weight: 168.58 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H5ClN4 |
| Molecular Weight | 168.58 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related chloro Standards
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- 4-Chloro-2-methoxypyridine-3-carbonitrile (CAS 1008451-56-6)
- 6-Chloro-2-methyl-9H-purine (CAS 100859-35-6)
- 3-chloro-6-methyl-[1,2,4]triazolo[4,3-a]pyrimidine (CAS 1019033-24-9)
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- 7-chloro-5-methyl-1H-pyrazolo[4,3-d]pyrimidine (CAS 1055057-37-8)
- 2-Chloro-6-hydrazinylpyridine-4-carbonitrile (CAS 107445-56-7)
Recommended Standards
- 5-Chloro-2,3-dihydro-1H-indazol-3-one (CAS 7364-28-5)
- 5-Chloro-2-methyl-6-oxo-1,6-dihydropyridine-3-carbonitrile (CAS 41948-69-0)
- 5-Chloro-1H-pyrrolo[2,3-b]pyridine 7-oxide (CAS 916176-51-7)
- 4,6-dichlorobenzene-1,3-dithiol (CAS 60822-12-0)
- 2-Ethyl-5-fluoro-2,3-dihydrobenzofuran-3-amine (CAS 1339479-71-8)
- 4-(2,4-Dichlorobenzoyl)-8-ethyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326814-99-6)
- 2,6-Dimethylimidazo[1,2-b]pyridazin-3-amine (CAS 1936272-20-6)
- Semaglutide impurity 259 (CAS CATO-C4X-2226259)
- 6-Chloro-5-[(2,2-dimethyl-1-oxopropyl)amino]-2-pyridinecarboxylic acid (CAS 1142191-83-0)
- [α-Glu](Sidechain trans-position)-Liraglutide (CAS CATO-C4X-199240)
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