N-(9,10-Dioxo-9,10-dihydroanthracen-1-yl)benzamide CAS 3571-23-1
| CAS No. | 3571-23-1 |
| Molecular Formula | C21H13NO3 |
| Molecular Weight | 327.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), N-(9,10-Dioxo-9,10-dihydroanthracen-1-yl)benzamide 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.
N-(9,10-Dioxo-9,10-dihydroanthracen-1-yl)benzamide (CAS 3571-23-1), molecular formula C21H13NO3 and molecular weight 327.33 g/mol, is a CATO reference standard with documented purity and traceability.
N-(9,10-Dioxo-9,10-dihydroanthracen-1-yl)benzamide (C21H13NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
Physical & Chemical Properties
| Molecular Formula | C21H13NO3 |
| Molecular Weight | 327.33 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related N Standards
- N-(9,10-Dioxo-9,10-dihydroanthracen-2-yl)benzamide, >98% (CAS 52869-18-8)
- N-[2-(2,6-dioxo-3-piperidyl)-3-oxo-isoindolin-5-yl]but-2-enamide (CAS 2761673-09-8)
- ((2,4-Dioxo-2,3,4,5-tetrahydro-1h-benzo[b][1,4]diazepin-7-yl)sulfonyl)alanine (CAS 1396967-01-3)
- 2-((2,5-Dioxo-1-phenylpyrrolidin-3-yl)thio)benzoic acid (CAS 301229-04-9)
- N-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-5-yl]prop-2-enamide (CAS 1957235-53-8)
- Ethyl 2,4-dioxo-3-(3-(trifluoromethyl)phenyl)-3-azabicyclo[3.1.0]Hexane-6-carboxylate (CAS 318237-87-5)
- 4-(1,3-Dioxo-2-azaspiro[4.4]Nonan-2-yl)benzenesulfonyl chloride (CAS 1378261-28-9)
- 4-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]butanal (CAS 2503018-11-7)
Recommended Standards
- N-((2S,3R,4R,5S,6R)-4,5-Dihydroxy-6-(hydroxymethyl)-2-(4-methoxyphenoxy)tetrahydro-2H-pyran-3-yl)acetamide (CAS 38229-78-6)
- Methyl 4-acetamido-2-(3-methylbenzoyloxy)benzoate (CAS 477889-94-4)
- N-[(2-Methoxyphenyl)methyl]-2-methyl-3-oxo-2H,3H,4H-pyrido[3,2-b][1,4]oxazine-2-carboxamide (CAS 861211-37-2)
- Methyl 2-[2-amino-2-(2-benzoylhydrazono)ethoxy]benzenecarboxylate (CAS 338756-15-3)
- Potassium (3-(benzyloxy)phenyl)trifluoroborate (CAS 850623-58-4)
- 4-(2-Aminoethyl)-6-chloro-7-hydroxy-2H-chromen-2-one (CAS 1234064-10-8)
- Naphthalene-1,5-Disulfinic acid (CAS 300394-97-2)
- 2,3-Difluoro-4-Heptyl-4''-Pentyl-1,1':4',1''-Terphenyl (CAS 121218-90-4)
- 1-(3,5-Diaminopyridin-4-yl)ethan-1-one (CAS 1393553-88-2)
- 1-(2,5-Dimethylphenyl)propan-1-amine (CAS 1018586-68-9)
- Sunitinib Impurity 28 (CAS CATO-C4X-133328)
- N-(4-Aminophenyl)-2-(3,5-dimethylphenoxy)acetamide (CAS 953749-82-1)
- 4-(((2-Bromocyclohexyl)oxy)methyl)tetrahydro-2h-pyran (CAS 1248449-47-9)
- Semaglutide impurity 36 (CAS CATO-C4X-222636)
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