6-Nitro-2H-indazole-3-carboxylic acid CAS 1260657-54-2
| CAS No. | 1260657-54-2 |
| Molecular Formula | C8H5N3O4 |
| Molecular Weight | 207.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 207.14 g/mol gives 6-Nitro-2H-indazole-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 6-Nitro-2H-indazole-3-carboxylic acid (CAS 1260657-54-2), a certified reference material (molecular formula C8H5N3O4, MW 207.14 g/mol) for analytical method development and quality control.
6-Nitro-2H-indazole-3-carboxylic acid (C8H5N3O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 6-Nitro-2H-indazole-3-carboxylic acid 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 | C8H5N3O4 |
| Molecular Weight | 207.14 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.) | 1990 |
| Nitrogen Atoms | 3 |
Related Nitro Standards
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Recommended Standards
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- (3S,4R)-1-tert-Butyl 3-methyl 4-(6-Bromo-5-pival-amidopyridin-3-yl)pyrrolidine-1,3-dicarboxylate (CAS 1420780-27-3)
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- (6-Bromo-3,4-dihydro-2h-chromen-2-yl)methanol (CAS 99199-55-0)
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