3-Chloro-2-(4-chloro-2-fluoro-5-isopropoxyphenyl)-4,5,6,7-tetrahydro-2H-indazole CAS 91167-63-4
| CAS No. | 91167-63-4 |
| Molecular Formula | C16H17Cl2FN2O |
| Molecular Weight | 343.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Chloro-2-(4-chloro-2-fluoro-5-isopropoxyphenyl)-4,5,6,7-tetrahydro-2H-indazole.
CATO supplies 3-Chloro-2-(4-chloro-2-fluoro-5-isopropoxyphenyl)-4,5,6,7-tetrahydro-2H-indazole (CAS 91167-63-4), a certified reference material (molecular formula C16H17Cl2FN2O, MW 343.22 g/mol) for analytical method development and quality control.
Based on its molecular formula C16H17Cl2FN2O, 3-Chloro-2-(4-chloro-2-fluoro-5-isopropoxyphenyl)-4,5,6,7-tetrahydro-2H-indazole contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 343.22 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.
As a certified reference material (CRM), 3-Chloro-2-(4-chloro-2-fluoro-5-isopropoxyphenyl)-4,5,6,7-tetrahydro-2H-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 | C16H17Cl2FN2O |
| Molecular Weight | 343.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 3-Chloro-N-((3-chloro-5-fluorophenyl)carbamothioyl)benzamide (CAS 1796641-12-7)
- 2-Chloro-1-{4-[(5-chlorothiophen-2-yl)sulfonyl]piperazin-1-yl}ethan-1-one (CAS 923775-35-3)
- 5-Chloro-4-(((1-(4-chlorophenyl)-1H-imidazol-2-yl)thio)methyl)-1,2,3-thiadiazole (CAS 338956-25-5)
- 4-[(2-Chloro-4-fluorobenzyl)oxy]-3-ethoxybenzoyl chloride (CAS 1160251-09-1)
- 4-[(2-Chloro-6-fluorobenzyl)oxy]-3-ethoxybenzoyl chloride (CAS 1160260-52-5)
- 2-Chloro-4-((5-chloro-4-(methylamino)pyrimidin-2-yl)amino)-5-methoxybenzoic acid (CAS 1441722-24-2)
- (2Z)-3-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-2-(4-chlorophenyl)prop-2-enenitrile (CAS 320420-51-7)
- 2-chloro-N-(2-{[4-chloro-3-(trifluoromethyl)phenyl]amino}-2-oxoethyl)-N-methylacetamide (CAS 736948-87-1)
Recommended Standards
- 2-Amino-3-bromo-5-(3-(tert-butyl)oxazolidin-5-yl)benzoic acid (CAS 88698-39-9)
- 4-(4-Bromophenyl)-6-(m-tolyl)-4,5-dihydropyridazin-3(2H)-one (CAS 339013-71-7)
- 1-(4-Chlorophenyl)-3-((4-chlorophenyl)sulfonyl)propan-1-one (CAS 87015-40-5)
- 5-Bromo-2-(4-Boc-1-piperazinyl)pyrimidine (CAS 374930-88-8)
- (1R,2R)-2-(2-methoxybenzoyl)cyclohexane-1-carboxylic acid (CAS 733742-72-8)
- 6-(Tert-butyl)-2-chloro-4,5,6,7-tetrahydrobenzo[d]thiazole (CAS 1235441-23-2)
- 1-Methyl-3-(pyrazin-2-yl)-1h-pyrazole-4-carboxylic acid (CAS 1339822-86-4)
- N-(4-Methoxyphenyl)-5-[(4-methoxyphenyl)methyl]-4-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2-carboxamide (CAS 477854-45-8)
- 1-Methyl-3-(2-naphthyl)-1{H}-pyrazole-5-carboxylic acid (CAS 1177331-73-5)
- (3,5-Dimethylphenoxy)acetyl chloride (CAS 78357-63-8)
- 2,6-Dimethoxy-4-methylaniline (CAS 54812-41-8)
- 1-(Tert-butyl) 2-methyl 4-hydroxy-2-methylpyrrolidine-1,2-dicarboxylate (CAS 1822594-77-3)
- 3-Bromo-2,5-dimethylpyrazine (CAS 1035452-43-7)
- Osteogenic Growth Peptide (CAS 132996-61-3)
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