| CAS No. | 99-81-0 |
| Molecular Formula | C8H12BrNO3 |
| Molecular Weight | 250.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures 2-BROMO-1-(4-NITROPHENYL)ETHAN-1-ONE 2-BROMO-1-(4-NITROPHENYL)ETHANONE 2-BROMO-4'-NITROACENTOPHENONE 2-BROMO-4-NITROACETOPHENONE 2-Bromo-4'-nitroacetophenone 4'-NITROPHENACYL BROMIDE 4-NITROPHENACYL BROMIDE 99-81-0 A-BROMO-P-NITROACETOPHENONE AKOS BBS-00003952 ALPHA-BROMO-4-NITROACETOPHENONE ALPHA-BROMO-P-NITROACETOPHENONE AS01161 ETHANONE, 2-BROMO-1-(4-NITROPHENYL)- LABOTEST-BB LT03331725 LABOTEST-BB LT03379859 LABOTEST-BB LTBB003126 OMEGA-BROMO-4-NITROACETOPHENONE P-NITROPHENACYL BROMIDE SPEC-INF-BB S2336 TIMTEC-BB SBB040644 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.
2-BROMO-1-(4-NITROPHENYL)ETHAN-1-ONE 2-BROMO-1-(4-NITROPHENYL)ETHANONE 2-BROMO-4'-NITROACENTOPHENONE 2-BROMO-4-NITROACETOPHENONE 2-Bromo-4'-nitroacetophenone 4'-NITROPHENACYL BROMIDE 4-NITROPHENACYL BROMIDE 99-81-0 A-BROMO-P-NITROACETOPHENONE AKOS BBS-00003952 ALPHA-BROMO-4-NITROACETOPHENONE ALPHA-BROMO-P-NITROACETOPHENONE AS01161 ETHANONE, 2-BROMO-1-(4-NITROPHENYL)- LABOTEST-BB LT03331725 LABOTEST-BB LT03379859 LABOTEST-BB LTBB003126 OMEGA-BROMO-4-NITROACETOPHENONE P-NITROPHENACYL BROMIDE SPEC-INF-BB S2336 TIMTEC-BB SBB040644 (CAS 99-81-0), molecular formula C8H12BrNO3 and molecular weight 250.09 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, 2-BROMO-1-(4-NITROPHENYL)ETHAN-1-ONE 2-BROMO-1-(4-NITROPHENYL)ETHANONE 2-BROMO-4'-NITROACENTOPHENONE 2-BROMO-4-NITROACETOPHENONE 2-Bromo-4'-nitroacetophenone 4'-NITROPHENACYL BROMIDE 4-NITROPHENACYL BROMIDE 99-81-0 A-BROMO-P-NITROACETOPHENONE AKOS BBS-00003952 ALPHA-BROMO-4-NITROACETOPHENONE ALPHA-BROMO-P-NITROACETOPHENONE AS01161 ETHANONE, 2-BROMO-1-(4-NITROPHENYL)- LABOTEST-BB LT03331725 LABOTEST-BB LT03379859 LABOTEST-BB LTBB003126 OMEGA-BROMO-4-NITROACETOPHENONE P-NITROPHENACYL BROMIDE SPEC-INF-BB S2336 TIMTEC-BB SBB040644 is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 250.09 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | C8H12BrNO3 |
| Molecular Weight | 250.09 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |