4-(2-(2-(2-Bromo-4-(tert-butyl)phenoxy)acetyl)hydrazinyl)-4-oxobutanoic acid CAS 816442-95-2
| CAS No. | 816442-95-2 |
| Molecular Formula | C16H21BrN2O5 |
| Molecular Weight | 401.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 401.25 g/mol gives 4-(2-(2-(2-Bromo-4-(tert-butyl)phenoxy)acetyl)hydrazinyl)-4-oxobutanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(2-(2-(2-Bromo-4-(tert-butyl)phenoxy)acetyl)hydrazinyl)-4-oxobutanoic acid (CAS 816442-95-2), molecular formula C16H21BrN2O5 and molecular weight 401.25 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H21BrN2O5, 4-(2-(2-(2-Bromo-4-(tert-butyl)phenoxy)acetyl)hydrazinyl)-4-oxobutanoic acid contains a flavonoid 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 401.25 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.
As a certified reference material (CRM), 4-(2-(2-(2-Bromo-4-(tert-butyl)phenoxy)acetyl)hydrazinyl)-4-oxobutanoic acid 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 | C16H21BrN2O5 |
| Molecular Weight | 401.25 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 2-Bromo-N-(isoquinolin-5-yl)-4,5-dimethoxy-N-methylbenzamide (CAS 917596-87-3)
- [4-bromo-5-(difluoromethoxy)-6-fluoro-2-naphthyl] 2,2-dimethylpropanoate (CAS 2763159-26-6)
- 3-((4-Bromo-2-fluorobenzyl)thio)-4H-benzo[e][1,2,4]thiadiazine 1,1-dioxide (CAS 933022-53-8)
- N'-(8-Bromo-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)-N,N-dimethylformimidamide (CAS 57881-18-2)
- N'-(8-Bromo-9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-6-oxo-6,9-dihydro-1H-purin-2-yl)-N,N-dimethylformimidamide (CAS 717876-75-0)
- 2-(4-Bromo-2-(1-phenyl-1H-pyrazole-4-carbonyl)phenoxy)acetic acid (CAS 870809-73-7)
- (3-Bromo-6-morpholin-4-yl-4-trifluoromethyl-pyridin-2-ylsulfanyl)-acetic acid (CAS 1089330-45-9)
- Benzyl 7-bromo-1,2-dihydrospiro[indole-3,4'-piperidine]-1'-carboxylate (CAS 1243461-51-9)
Recommended Standards
- 3-((2-acetylphenoxy)methyl)-4-bromo-2-methyl-1-phenyl-3-pyrazolin-5-one (CAS 497061-10-6)
- 4-(3-(4-Bromophenyl)-5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid (CAS 313399-13-2)
- 4-(5-(4-Bromophenyl)-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid (CAS 385406-13-3)
- 2-{2-[(1E)-{[(2,6-dichlorophenyl)methoxy]imino}methyl]-1H-pyrrol-1-yl}-4-methoxypyridine-3-carbonitrile (CAS 478262-34-9)
- 2-Propylthiazolo[4,5-c]quinolin-4-amine hydrochloride (CAS 256922-54-0)
- 2'-Amino-[1,1':3',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid (CAS 1832677-46-9)
- 1-(8-Methoxy-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)ethan-1-one (CAS 1040695-96-2)
- 1-(2-(Methylthio)pyrimidin-4-yl)piperidine-3-carboxylic acid (CAS 1261232-03-4)
- 4-Chloro-6-(difluoromethyl)-2-iodonicotinic acid (CAS 1804663-58-8)
- 5-(Thiazol-5-yl)nicotinonitrile (CAS 1346687-55-5)
- 4-(Allyloxy)-2-bromo-5-ethoxybenzohydrazide (CAS 664983-57-7)
- 2-(2-Hydroxyethoxy)acetaldehyde (CAS 17976-70-4)
- (2-Chlorophenyl)[4-(Trifluoromethoxy)Phenyl]-Methanone (CAS 87996-54-1)
- Pancreatic Polypeptide (bovine) (CAS 179986-89-1)
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