5-Methyl-4,6-dinitro-1H-indazole CAS 1167056-10-1
| CAS No. | 1167056-10-1 |
| Molecular Formula | C8H6N4O4 |
| Molecular Weight | 222.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-Methyl-4,6-dinitro-1H-indazole (CAS 1167056-10-1), molecular formula C8H6N4O4 and molecular weight 222.16 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Methyl-4,6-dinitro-1H-indazole (C8H6N4O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 222.16 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5-Methyl-4,6-dinitro-1H-indazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H6N4O4 |
| Molecular Weight | 222.16 g/mol |
| Appearance | Pale yellow to 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
Related Methyl Standards
- 3-Methyl-5,7-dinitro-1H-indazole (CAS 647853-23-4)
- 5,7-Dinitro-1,2,3,4-tetrahydronaphthalene (CAS 51522-30-6)
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- 6,8-Dinitro-1,2,3,4-tetrahydroquinoline (CAS 40484-56-8)
- 3,4-Dinitro-1H-pyrrolo[2,3-b]pyridine 7-oxide (CAS 1431698-08-6)
- 5,6-Dinitro-1,3-dihydro-benzoimidazol-2-one (CAS 3705-86-0)
- 3,6-Dinitro-1,2,4,5-Tetramethylbenzene (CAS 5465-13-4)
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Recommended Standards
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- 2-(2-Fluorophenyl)-5-phenyl-6,6,6-trifluorohex-3-yne-2,5-diol (CAS 240131-31-1)
- N-(2-aminoethyl)-2-chlorobenzenesulfonamide hydrochloride (CAS 1593121-71-1)
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