[1,2,4]Triazolo[1,5-a]pyrazin-5-ol CAS 1823920-17-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1823920-17-7 |
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
[1,2,4]Triazolo[1,5-a]pyrazin-5-ol (CAS 1823920-17-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H4N4O. Molecular weight: 136.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 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 |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 4 |
Related Triazolo Standards
- 6H-[1,2,3]Triazolo[4,5-d]pyrimidin-5-amine (CAS 10179-84-7)
- [1,2,4]Triazolo[1,5-c]pyrimidin-8-ol (CAS 106921-59-9)
- 1H-[1,2,3]Triazolo[4,5-b]pyridin-6-ol (CAS 137326-91-1)
- 1H-[1,2,4]triazolo[1,5-a]pyrimidin-5-one (CAS 14384-66-8)
- [1,2,4]Triazolo[1,5-a]pyrazine 7-oxide (CAS 74803-25-1)
- [1,2,4]Triazolo[1,5-c]pyrimidin-7-ol (CAS 39457-19-7)
- [1,2,4]Triazolo[4,3-a]pyrazin-8(7H)-one (CAS 68774-81-2)
- [1,2,4]Triazolo[4,3-a]pyrimidin-3(2H)-one (CAS 63206-77-9)
Recommended Standards
- 2H-Pyrazolo[3,4-d]pyrimidin-4-ol (CAS 180749-09-1)
- Tetrazolo[1,5-b]pyridazin-6-amine (CAS 19195-43-8)
- 1H-Pyrazolo[3,4-d]pyrimidin-4-ol (CAS 180749-08-0)
- Ethyl 4-bromo-2,5-difluorobenzoate (CAS 1383685-39-9)
- ((2R,3S,5R)-3-Hydroxy-5-(4-(methylamino)-2-oxopyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl tetrahydrogen triphosphate (CAS 149674-24-8)
- 1,2-Bis(prop-2-yn-1-yloxy)benzene (CAS 5651-91-2)
- 4-Methylquinolin-6-ol (CAS 5429-01-6)
- 4-(5-Bromo-1,3,4-thiadiazol-2-yl)phenol (CAS 1343249-15-9)
- 1,2-Diethyl (1R,2S)-rel-cyclohex-4-ene-1,2-dicarboxylate (CAS 4841-85-4)
- C-Peptide（dog） (CAS 39016-05-2)
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