2-Amino-5-nitro-1H-1,2,4-triazol-3(2H)-one CAS 155051-79-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 155051-79-9 |
| Molecular Formula | C2H3N5O3 |
| Molecular Weight | 145.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Amino-5-nitro-1H-1,2,4-triazol-3(2H)-one (CAS 155051-79-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C2H3N5O3. Molecular weight: 145.08 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C2H3N5O3 |
| Molecular Weight | 145.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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.) | 2001 |
| Nitrogen Atoms | 5 |
Related Amino Standards
- 1-Amino-5-fluoro-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 91286-55-4)
- 6-Amino-5-fluoropyrimidine-2,4(1H,3H)-dione (CAS 21615-11-2)
- 3-Amino-2,6-difluorophenol (CAS 113512-69-9)
- 5-Amino-2,4-difluorophenol (CAS 113512-71-3)
- 6-Amino-2,3-difluorophenol (CAS 115551-33-2)
- 4-Amino-2,5-difluorophenol (CAS 120103-19-7)
- 4-Amino-2,6-difluorophenol (CAS 126058-97-7)
- 2-Amino-4,6-difluorophenol (CAS 133788-83-7)
Recommended Standards
- 287399-28-4 4-Hydroxy(carboxy-~13~C_7_)benzoic acid DTXSID40745761 (CAS 287399-28-4)
- <I>O</I>-Phosphorylethanolamine-1,1,2,2-d<SUB>4</SUB> (CAS 1169692-38-9)
- 3-Methylselenophene (CAS 7559-43-5)
- 2-(1H-Benzo[d]imidazol-2-yl)-5-methyl-1,3,4-oxadiazole (CAS 26286-46-4)
- 4-tert-butyl-2-hydroxybenzonitrile (CAS 145818-28-6)
- 2-(Phenylthio)-N-(thiazol-4-ylmethyl)ethan-1-amine (CAS 1247720-55-3)
- 6-(tert-Butyl)-2,2-dimethyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 1267211-60-8)
- ethyl 7-(difluoromethoxy)-4-oxo-chromene-2-carboxylate (CAS 863116-26-1)
- tert-Butyl 5-hydroxy-octahydrocyclopenta[b]pyrrole-1-carboxylate (CAS 1419101-49-7)
- (Tyr9)-Cholecystokinin Octapeptide (sulfated) (H-9770.0005) (CAS 96607-61-3)
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