6-Bromo-4-fluoro-1,2-dihydro-3H-indazol-3-one CAS 887568-01-6
| CAS No. | 887568-01-6 |
| Molecular Formula | C7H4BrFN2O |
| Molecular Weight | 231.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system, 6-Bromo-4-fluoro-1,2-dihydro-3H-indazol-3-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 231.02 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
6-Bromo-4-fluoro-1,2-dihydro-3H-indazol-3-one (CAS 887568-01-6), molecular formula C7H4BrFN2O and molecular weight 231.02 g/mol, is a CATO reference standard with documented purity and traceability.
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 6-Bromo-4-fluoro-1,2-dihydro-3H-indazol-3-one 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 | C7H4BrFN2O |
| Molecular Weight | 231.02 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
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- 5-Bromo-7-fluoro-1H-indazol-3(2H)-one (CAS 1227267-23-3)
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Recommended Standards
- 4-Bromo-7-fluorobenzo[d]isoxazol-3-amine (CAS 2386740-46-9)
- 6-Bromo-4-fluoropyrazolo[1,5-a]pyridin-3-ol (CAS 2795141-86-3)
- 4-Bromo-6-fluoro-1H-indazol-3-ol (CAS 887567-85-3)
- Pyrazolo[1,5-a]pyridin-4-ol, 6-bromo-3-fluoro- (CAS 2770966-34-0)
- n-(Tert-butyl)-3-(phenylthio)propanamide (CAS 591732-04-6)
- Methyl 3-bromo-4-cyano-5-hydroxybenzoate (CAS 1805578-61-3)
- 2,6-Dimethyl-4-(5-nitropyridin-2-yl)morpholine (CAS 260447-04-9)
- 2,2-Bi(tricyclo[3.3.1.1~3,7~]decane) (CAS 29542-62-9)
- Ethyl acetylmethioninate (CAS 33280-93-2)
- 6-METHYLTHIAZOLO[3,2-B][1,2,4]TRIAZOLE (CAS 34179-62-9)
- tert-Butyl N-(4-chloro-3-formylpyridin-2-yl)carbamate (CAS 868736-42-9)
- O-(2-Methoxypropan-2-yl)hydroxylamine (CAS 103491-33-4)
- 2,5-dichloro-4-methylthiophene-3-carbaldehyde (CAS 210098-00-3)
- Tau Peptide (74-102) (Exon 3/Insert 2 Domain) trifluoroacetate salt (CAS 1322695-34-0)
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