4-Ethyl-3H-1,2,4-triazole-3,5(4H)-dione CAS 40609-72-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40609-72-1 |
| Molecular Formula | C4H5N3O2 |
| Molecular Weight | 127.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4-Ethyl-3H-1,2,4-triazole-3,5(4H)-dione (CAS 40609-72-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5N3O2. Molecular weight: 127.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5N3O2 |
| Molecular Weight | 127.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 3 |
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- (1-Methyl-4-nitro-1H-imidazol-5-yl)methanol (CAS 85012-71-1)
- 2-Amino-6-(2-methoxyphenyl)-5,6-dihydropyrimidin-4(3H)-one (CAS 892761-69-2)
- Semaglutide impurity 92 (CAS CATO-C4X-222692)
Why CATO?
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