| CAS No. | 1397238-83-3 |
| Molecular Formula | C9H5IN4O |
| Molecular Weight | 312.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 312.07 g/mol gives 8-Iodo-[1,2,3]triazolo[1,5-a]quinoxalin-4(5H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
8-Iodo-[1,2,3]triazolo[1,5-a]quinoxalin-4(5H)-one (CAS 1397238-83-3), molecular formula C9H5IN4O and molecular weight 312.07 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 8-Iodo-[1,2,3]triazolo[1,5-a]quinoxalin-4(5H)-one (C9H5IN4O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 312.07 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 8-Iodo-[1,2,3]triazolo[1,5-a]quinoxalin-4(5H)-one 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 | C9H5IN4O |
| Molecular Weight | 312.07 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 4 |