| CAS No. | 871915-27-4 |
| Molecular Formula | C9H7N3 |
| Molecular Weight | 157.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 157.17 g/mol gives 8H-[1,2,3]Triazolo[4,3-a]isoindole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
8H-[1,2,3]Triazolo[4,3-a]isoindole (CAS 871915-27-4) is a high-purity analytical reference standard with the molecular formula C9H7N3 and a molecular weight of 157.17 g/mol.
Based on its molecular formula C9H7N3, 8H-[1,2,3]Triazolo[4,3-a]isoindole contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 157.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 8H-[1,2,3]Triazolo[4,3-a]isoindole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C9H7N3 |
| Molecular Weight | 157.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |