3H-1,2,4-Triazole-3,5(4H)-dione CAS 4019-43-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4019-43-6 |
| Molecular Formula | C2HN3O2 |
| Molecular Weight | 99.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3H-1,2,4-Triazole-3,5(4H)-dione (CAS 4019-43-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C2HN3O2. Molecular weight: 99.05 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C2HN3O2 |
| Molecular Weight | 99.05 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.) | 1958 |
| Nitrogen Atoms | 3 |
Related H Standards
- 1H-1,2,4-Triazole-3-methanol (CAS 123372-69-0)
- 3H-1,2,4-Triazole-3-thione (CAS 36143-39-2)
- 1H-1,2,3-Triazole-5-methanamine (CAS 118724-05-3)
- 1-Ethyl-1,2,4-triazole (CAS 16778-70-4)
- 1H-[1,2,3]Triazole-4-Carbaldehyde (CAS 16681-68-8)
- 1H-1,2,3-Triazole-1-carbaldehyde (CAS 959960-46-4)
- 2H-1,2,3-Triazole-4-carbaldehyde (CAS 4343-71-9)
- 1H-1,2,4-triazole-3-carbaldehyde (CAS 31708-25-5)
Recommended Standards
- Sodium propionate-<SUP>13</SUP>C<SUB>3</SUB> (CAS 152571-51-2)
- 68261-15-4 (2-~13~C)Furan-2,5-dione DTXSID10745713 (CAS 68261-15-4)
- Glycolic Acid-13C Sodium Salt (CAS 1706469-52-4)
- (2,5-Dichlorophenyl)(4-(((4,5-dihydrothiazol-2-yl)thio)methyl)piperidin-1-yl)methanone (CAS 1396761-38-8)
- 3-(chloromethyl)-5-propyl-1,2,4-oxadiazole (CAS 25977-17-7)
- N-Methyl-1-(3-methylbenzo[b]thiophen-2-yl)methanamine (CAS 335032-41-2)
- Methyl 3-amino-2-((tetrahydrofuran-3-yl)methyl)propanoate (CAS 1251098-82-4)
- Defluoro Paroxetine (CAS 1322626-23-2)
- 2-[5-(5-Methyl-1,2-oxazol-4-yl)-1,3-thiazol-2-yl]pyridine (CAS 478245-64-6)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com