4-Acetamido-2-carboxy-4-dimethylamino-2-hydroxybenzophenone CAS 166442-36-0
| CAS No. | 166442-36-0 |
| Molecular Formula | C18H18N2O5 |
| Molecular Weight | 342.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-Acetamido-2-carboxy-4-dimethylamino-2-hydroxybenzophenone (CAS 166442-36-0) is a high-purity analytical reference standard with the molecular formula C18H18N2O5 and a molecular weight of 342.35 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 4-Acetamido-2-carboxy-4-dimethylamino-2-hydroxybenzophenone is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 342.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 4-Acetamido-2-carboxy-4-dimethylamino-2-hydroxybenzophenone 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 | C18H18N2O5 |
| Molecular Weight | 342.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2004 |
| Nitrogen Atoms | 2 |
Related Acetamido Standards
- 5-Acetamido-2-carboxy-4-dimethylamino-2-hydroxybenzophenone (CAS 166442-37-1)
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- 2-Acetamido-4-bromo-3-fluoro-5-(trifluoromethyl)benzoic acid (CAS 2803279-91-4)
- Methyl 4-acetamido-2-((4-nitrobenzyl)oxy)benzoate (CAS 1033463-24-9)
- N-((5-Acetamido-1,3,4-thiadiazol-2-yl)sulfonyl)-4-methylbenzamide (CAS 827624-91-9)
- 5-Acetamido-6-sulfamoylquinoline-8-sulfonic acid (CAS 855765-78-5)
- 1-(Acetamido(1H-indol-2-yl)methyl) 3-ethyl 2-ethylmalonate (CAS 13373-31-4)
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Recommended Standards
- 3-((4-Nitrophenyl)amino)-2-phenyl-1H-inden-1-one (CAS 15255-46-6)
- 2-Amino-4-(benzo[d][1,3]dioxol-5-yl)-4H-benzo[h]chromene-3-carbonitrile (CAS 149550-67-4)
- 3-(Diphenylphosphino)benzenesulfonic acid (CAS 16704-71-5)
- 5-{2-[methyl(phenyl)amino]-2-oxoethyl}-4-oxo-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylic acid (CAS 1443978-32-2)
- Non-3-yn-1-ol (CAS 31333-13-8)
- 3,4-Difluoro-N-((1-(2-methoxyethyl)piperidin-4-yl)methyl)benzamide (CAS 954077-62-4)
- 3-(Aminomethyl)thiophene Hydrochloride (CAS 115132-84-8)
- D-2-(o-bromo-p-fluorophenyl)glycine (CAS 1213687-00-3)
- ethyl 2-(cyclohexylamino)acetate hydrochloride (CAS 84126-70-5)
- 1-(4-Chlorophenyl)-2-((5-methyl-4h-1,2,4-triazol-3-yl)thio)ethan-1-one (CAS 37664-34-9)
- Imidazo[1,2-a]pyrazine-2-carboxamide (CAS 77124-59-5)
- Diacetoxyscirpenol (CAS 2270-40-8)
- 3-fluoro-5-hydroxy-7-methoxy-4-methyl-chromen-2-one (CAS 2920607-81-2)
- Hepcidin/LEAP-1 (Human); Liver-Expressed Antimicrobial Peptide (CAS 342790-21-0)
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