7-Hydroxy-[1,2,4]triazolo[4,3-a]pyrimidin-5(1H)-one CAS 727390-69-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 727390-69-4 |
| Molecular Formula | C5H4N4O2 |
| Molecular Weight | 152.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
7-Hydroxy-[1,2,4]triazolo[4,3-a]pyrimidin-5(1H)-one (CAS 727390-69-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H4N4O2. Molecular weight: 152.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H4N4O2 |
| Molecular Weight | 152.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 4 |
Related Hydroxy Standards
- 3-Hydroxy-2H-pyrazolo[4,3-d]pyrimidin-7(4H)-one (CAS 70015-70-2)
- 3-Hydroxy-3,7-dihydro-6h-purin-6-one (CAS 55402-91-0)
- 7-Hydroxy-[1, 2, 4] triazolo[1, 5- a] pyrimidin- 5(1H) - one (CAS 40775-75-5)
- 3-hydroxy-3H-[1,2,3]triazolo[4,5-b]pyridine 1-oxide (CAS CATO-C3D-5795)
- 5-hydroxy-2H-1,3-benzodioxol-2-one (CAS 78213-00-0)
- 2-Hydroxy-4,5-dimethyl-1,3,2-dioxaphospholane 2-Oxide (CAS 50577-87-2)
- 3-Hydroxy-2-methyl-d3-benzoic Acid (CAS 1020719-51-0)
- 6-Hydroxy-1,4-benzodioxane (CAS 10288-72-9)
Recommended Standards
- 7-Methylpyrazolo[4,3-e][1,3,4]oxadiazin-3(2H)-one (CAS 927186-99-0)
- 6-methyltetrazolo[1,5-b][1,2,4]triazin-7(1H)-one (CAS 61788-18-9)
- Furo[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 612066-45-2)
- 2-(4-(4-(Methylamino)phenyl)buta-1,3-dien-1-yl)benzo[d]thiazol-6-ol (CAS 1609195-15-4)
- 6-sulfamoylpyridazine-3-carboxamide (CAS 1514732-24-1)
- 2-Amino-1-cyclohexyl-ethanone (CAS 679826-44-9)
- 2-(2,6-Dioxo-3-piperidinyl)-2,3-dihydro-1-oxo-1H-isoindole-4-carboxaldehyde (CAS 2642231-76-1)
- (3-(3-Fluorophenyl)-1-methyl-1h-pyrazol-4-yl)methanamine (CAS 1515035-62-7)
- H-Gly-Pro-Gly-NH2 (CAS 141497-12-3)
- Semaglutide Impurity 12 (CAS CATO-C4X-222612)
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