2-Methyl-7-nitro-2H-indazole CAS 13436-58-3
| CAS No. | 13436-58-3 |
| Molecular Formula | C8H7N3O2 |
| Molecular Weight | 177.16 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.
2-Methyl-7-nitro-2H-indazole (CAS 13436-58-3), molecular formula C8H7N3O2 and molecular weight 177.16 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H7N3O2, 2-Methyl-7-nitro-2H-indazole contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 177.16 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).
CATO manufactures 2-Methyl-7-nitro-2H-indazole 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.
Physical & Chemical Properties
| Molecular Formula | C8H7N3O2 |
| Molecular Weight | 177.16 g/mol |
| Appearance | Off-white to pale 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 6-Methyl-5-nitro-7H-pyrrolo[2,3-b]pyridine (CAS 1000340-19-1)
- 5-Nitro-1H-indol-6-amine (CAS 1000343-12-3)
- 4-Methyl-7-nitro-1H-benzo[d]imidazole (CAS 101420-63-7)
- 6-Methyl-4-nitro-1H-benzo[d]imidazole (CAS 101420-64-8)
- 3-Methyl-7-nitro-1H-indazole (CAS 101420-66-0)
- 4-Methyl-5-nitro-1H-indazole (CAS 101420-67-1)
- 4-Methyl-7-nitro-1H-indazole (CAS 104103-06-2)
- 5-Methyl-7-nitro-1H-indazole (CAS 113302-88-8)
Recommended Standards
- 5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 1343189-81-0)
- 2-Methyl-1,3-benzoxazole-6-carboxylic Acid (CAS 13452-14-7)
- 5-(3-Amino-1H-1,2,4-triazol-5-yl)pyridin-3-ol (CAS 1341934-84-6)
- 5-Aminopyrazolo[1,5-a]pyridine-3-carboxylic acid (CAS 1352395-15-3)
- (2-Methyl-benzyl)-(3-trifluoromethylsulfanylpropyl)-amine (CAS 1208080-34-5)
- 4-Phenyl-2-(pyridin-2-yl)thiazole-5-carboxylic acid (CAS 1301738-68-0)
- 3-[4-(tert-Butyl)-2-chlorophenoxy]pyrrolidinehydrochloride (CAS 1220035-98-2)
- 1,3-Dithietane (CAS 287-53-6)
- [3-(4-nitrophenyl)-1,2,4-oxadiazol-5-yl]methanediol (CAS 73217-62-6)
- Phenyl α-D-galactopyranoside (CAS 2871-15-0)
- 3H,4H-pyrido[4,3-d]pyrimidin-4-one (CAS 16952-64-0)
- 4-(Allyloxy)-4-methylpiperidine (CAS 1567220-39-6)
- 2-(2-Chloroacetamido)benzyl 2-chloroacetate (CAS 1313712-59-2)
- Autocamtide-2-Related Inhibitory Peptide TFA (CAS 167114-91-2（free base）)
Why CATO?
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