3-Ethyl-[1,2,4]triazolo[4,3-a]pyridine CAS 4919-17-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4919-17-9 |
| Molecular Formula | C8H9N3 |
| Molecular Weight | 147.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethyl-[1,2,4]triazolo[4,3-a]pyridine (CAS 4919-17-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H9N3. Molecular weight: 147.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H9N3 |
| Molecular Weight | 147.18 g/mol |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
- [1,2,4]Triazolo[4,3-a]pyridine-6-carbaldehyde (CAS 1211518-56-7)
- [1,2,4]triazolo[1,5-a]pyridine-8-carbaldehyde (CAS 1369366-88-0)
- [1,2,4]Triazolo[1,5-a]pyridine-2-carbaldehyde (CAS 1373338-09-0)
- [1,2,4]Triazolo[1,5-a]pyridine-5-carbaldehyde (CAS 143307-82-8)
- [1,2,3]Triazolo[1,5-a]pyridine-7-carbaldehyde (CAS 169888-58-8)
- [1,2,4]Triazolo[1,5-a]pyridine-6-carbaldehyde (CAS 614750-81-1)
- [1,2,4]Triazolo[4,3-a]pyridine-7-carbaldehyde (CAS 676256-24-9)
- [1,2,4]Triazolo[1,5-a]pyrimidine-2-carbaldehyde (CAS 749929-21-3)
Recommended Standards
- 3-Amino-8-methylimidazo[1,2-α]pyridine (CAS 68739-11-7)
- 3-ethyl-3H-imidazo[4,5-b]pyridine (CAS 273757-00-9)
- 3-Amino-4-(methylamino)benzonitrile (CAS 64910-46-9)
- 4,5-Dibromo-1-methylimidazole (CAS 1003-50-5)
- methyl 1-butyl-1H-pyrazole-5-carboxylate (CAS 1171168-74-3)
- Methyl 3-{[(4-fluorophenyl)methyl]amino}butanoate (CAS 1155157-42-8)
- 4-Methyl-1-(prop-2-yn-1-yl)pyridin-1-ium bromide (CAS 93288-54-1)
- 4-(4-Ethoxy-3-methylphenyl)-2-hydrazinyl-5-methylthiazole (CAS 1416338-65-2)
- 4-Chloro-2-(difluoromethyl)-5-iodonicotinoyl chloride (CAS 1805178-33-9)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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