5-Methyl-3-(trifluoromethyl)-4,5,6,7-tetrahydro-1H-indazole CAS 879981-36-9
| CAS No. | 879981-36-9 |
| Molecular Formula | C9H11F3N2 |
| Molecular Weight | 204.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Methyl-3-(trifluoromethyl)-4,5,6,7-tetrahydro-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.
5-Methyl-3-(trifluoromethyl)-4,5,6,7-tetrahydro-1H-indazole (CAS 879981-36-9) is a high-purity analytical reference standard with the molecular formula C9H11F3N2 and a molecular weight of 204.19 g/mol.
Based on its molecular formula C9H11F3N2, 5-Methyl-3-(trifluoromethyl)-4,5,6,7-tetrahydro-1H-indazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 204.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H11F3N2 |
| Molecular Weight | 204.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Methyl Standards
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Recommended Standards
- 5-methyl-2-(pyridin-3-yl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 933744-29-7)
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- 5-Methyl-1-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 70292-16-9)
- 5-Phenyl-1,2,4-oxadiazole-3-carbohydrazide (CAS 90323-71-0)
- 7-Methoxy-3-methylbenzofuran (CAS 33038-10-7)
- 4-Methyl-3-(thiophen-2-yl)-4H-1,2,4-triazole (CAS 1541119-53-2)
- (R)-2-amino-4-methyl-1-((S)-2-methyloxiran-2-yl)pentan-1-one (CAS 2049023-89-2)
- 4-Bromo-2-chloro-1H-indole-3-carbaldehyde (CAS 903130-82-5)
- 5-Amino-4-(benzo[d]thiazol-2-yl)-1-(4-methoxyphenyl)-1,3-dihydro-2h-pyrrol-2-one (CAS 721417-82-9)
- (R)-Eflornithine (CAS 103957-16-0)
- Isoprenaline impurity 39 (CAS CATO-C4X-277539)
- 7-Bromocinnolin-3-ol (CAS 1379338-09-6)
- 3-[(4-Fluoro-benzylamino)-methyl]-6-methoxy-1H-quinolin-2-one (CAS 484025-46-9)
- D-Ile27-Tirzepatide (CAS CATO-CPTD788907)
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