Methyl 3-bromo-7-hydroxy-1H-indazole-5-carboxylate CAS 1363383-21-4
| CAS No. | 1363383-21-4 |
| Molecular Formula | C9H7BrN2O3 |
| Molecular Weight | 271.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H7BrN2O3, Methyl 3-bromo-7-hydroxy-1H-indazole-5-carboxylate contains a nitrogen-containing heterocyclic scaffold, 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 271.07 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Methyl 3-bromo-7-hydroxy-1H-indazole-5-carboxylate (CAS 1363383-21-4), a certified reference material (molecular formula C9H7BrN2O3, MW 271.07 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), Methyl 3-bromo-7-hydroxy-1H-indazole-5-carboxylate 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 | C9H7BrN2O3 |
| Molecular Weight | 271.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 1-[(4-bromo-1h-pyrazol-1-yl)methyl]-1h-pyrazole-3-carboxylic acid (CAS 1001755-12-9)
- 2-(4-Bromo-5-methoxy-2-nitrophenyl)acetonitrile (CAS 1033715-30-8)
- 5-Bromo-1-(2-cyanoethyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid (CAS 1053658-18-6)
- 5-Bromo-6-methoxy-1H-indazole-3-carboxylic acid (CAS 1134328-13-4)
- 3-(3-bromo-4-methoxyphenyl)-4,5-dihydro-1,2,4-oxadiazol-5-one (CAS 1183996-38-4)
- 6-Bromo-2-oxo-1,2,3,4-tetrahydro-1,8-naphthyridine-3-carboxylic acid (CAS 1196154-23-0)
- 5-[(4-bromo-1H-pyrazol-1-yl)methyl]furan-3-carboxylic acid (CAS 1247390-92-6)
- 4-Bromo-2-methyl-7-nitroisoindolin-1-one (CAS 1257996-66-9)
Recommended Standards
- 1-(Difluoromethyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one (CAS 1352152-41-0)
- 4-Bromo-1-methyl-N-(2h-tetrazol-5-yl)-1h-pyrrole-2-carboxamide (CAS 1375909-87-7)
- 5-fluoro-3-iodo-1H-pyrazolo[3,4-b]pyridine (CAS 1350653-23-4)
- 2-Bromo-7-methoxy-1H-benzo[d]imidazole-5-carboxylic acid (CAS 1388074-40-5)
- 2-Oxo-1,2,3,4-tetrahydroquinoline-6-sulfonamide (CAS 1090885-01-0)
- 2-(Difluoromethyl)-4-fluoro-6-(trifluoromethyl)pyridine-3-carboxaldehyde (CAS 1805606-10-3)
- 2-(Bromomethyl)-5-chloro-3-fluoropyridine (CAS 1227586-60-8)
- Ethyl 2-(aminomethyl)-6-hydroxypyrimidine-4-carboxylate (CAS 944898-23-1)
- 5,6,7,8-Tetrahydroimidazo[1,2-a]-pyridine-3-sulfonyl chloride (CAS 1216892-47-5)
- 3-Amino-2-methyl-N-(1-phenylpropyl)propanamide (CAS 1341968-32-8)
- Copper(II) chloride dihydrate (CAS 10125-13-0)
- N-[3-Sulfanyl-5-(thiophen-2-yl)-4H-1,2,4-triazol-4-yl]benzamide (CAS 118159-05-0)
- 4-((4-Nitrophenyl)diazenyl)benzene-1,2-diol (CAS 843-33-4)
- Tirzepatide Impurity 19 X TFA Salt (CAS CATO-C4X-324019)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com