3-Bromo-5-Methyl-6-Nitro-1-Trityl-1H-Indazole CAS 1695537-77-9
| CAS No. | 1695537-77-9 |
| Molecular Formula | C27H20BrN3O2 |
| Molecular Weight | 498.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Bromo-5-Methyl-6-Nitro-1-Trityl-1H-Indazole is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Bromo-5-Methyl-6-Nitro-1-Trityl-1H-Indazole (CAS 1695537-77-9), molecular formula C27H20BrN3O2 and molecular weight 498.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C27H20BrN3O2, 3-Bromo-5-Methyl-6-Nitro-1-Trityl-1H-Indazole contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 498.37 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).
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.
CATO manufactures 3-Bromo-5-Methyl-6-Nitro-1-Trityl-1H-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 | C27H20BrN3O2 |
| Molecular Weight | 498.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- N-(4-bromo-2-methylphenyl)-2-((3-cyano-4-(trifluoromethyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-2-yl)thio)acetamide (CAS 626227-38-1)
- Methyl 7-bromo-8-(1-methoxycyclohexyl)-2-oxo-2H-selenopheno[3,2-h]chromene-3-carboxylate (CAS 2173398-10-0)
- 5'-Bromo-3',4-dioctyl-[2,2'-bithiophene]-5-carbaldehyde (CAS 1799407-28-5)
- 4-Bromo-6-chloro-2-iodo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1227268-75-8)
- 5-Bromo-2-chloro-3-iodo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1299607-46-7)
- 5-Bromo-7-chloro-3-iodo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-c]pyridine (CAS 1305324-83-7)
- 4-Bromo-7-chloro-2-iodo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-c]pyridine (CAS 2127095-92-3)
- 5-Bromo-4-chloro-2-iodo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 876343-79-2)
Recommended Standards
- 2-((4-(4-Bromophenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(3-fluoro-4-methylphenyl)acetamide (CAS 477332-84-6)
- Dapagliflozin Impurity 48 (CAS CATO-C4X-113848)
- 2-((4-(4-Bromophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(3-fluoro-4-methylphenyl)acetamide (CAS 477329-74-1)
- 3-((2,4-Dichlorobenzyl)thio)-4-ethyl-5-(1-phenyl-5-(trifluoromethyl)-1H-pyrazol-4-yl)-4H-1,2,4-triazole (CAS 778579-08-1)
- (2-(((2-Formylphenyl)amino)methyl)phenyl)boronic acid (CAS 2527827-01-4)
- 4-Benzoyl-N'-(6-chloropyridin-2-yl)-1H-pyrrole-2-carbohydrazide (CAS 338403-57-9)
- 2-(Ethylthio)-1-methyl-1H-indole-3-carbaldehyde (CAS 338416-94-7)
- (±)-Citronellal (CAS 106-23-0)
- (R,S)-2-Hydroxy-5-[1-hydroxy-2-[(1-methyl-3-phenylpropyl)amino]ethyl]benzamide monohydrochloride (CAS 72487-35-5)
- trans-2-Trifluoromethyl-pyrrolidine-3-carboxylic acid hydrochloride (CAS 2365390-84-5)
- Ethyl 2-[methyl(2-nitrophenyl)amino]acetate (CAS 116059-07-5)
- 2-Aminopyridine N-Oxide (CAS 14150-95-9)
- 2-Formyl-4-furanboronic acid, 98% (CAS 62306-80-3)
- Protein Kinase C (19-36) Peptide (CAS 113731-96-7)
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