n,n'-(1,2-Phenylene)dibenzamide CAS 744-38-7
| CAS No. | 744-38-7 |
| Molecular Formula | C20H16N2O2 |
| Molecular Weight | 316.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures n,n'-(1,2-Phenylene)dibenzamide 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.
n,n'-(1,2-Phenylene)dibenzamide (CAS 744-38-7), molecular formula C20H16N2O2 and molecular weight 316.35 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, n,n'-(1,2-Phenylene)dibenzamide (C20H16N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 316.35 g/mol, it falls into the moderately-high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C20H16N2O2 |
| Molecular Weight | 316.35 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Recommended Standards
- N-(furan-2-ylmethyl)-3-phenyl-1H-indole-2-carboxamide (CAS 338401-11-9)
- N,N'-(1,4-phenylene)dibenzamide (CAS 5467-04-9)
- N-(5-Amino-2-methylphenyl)-3,4,5-trimethoxybenzamide (CAS 221876-25-1)
- N1,N4-diphenylterephthalamide (CAS 7154-31-6)
- 1-Hydroxy-1,3-dihydrobenzo[c][1,2]oxaborole-7-carbaldehyde (CAS 1195621-75-0)
- S-(Pyrazin-2-ylmethyl) ethanethioate (CAS 59021-06-6)
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- 1,1-Dimethylethyl 4-(aminosulfonyl)benzoate (CAS 103852-88-6)
- (R)-2-(2,4-dichloro-5-fluorophenyl)pyrrolidine (CAS 1381928-67-1)
- 2-Hydroxy-1-(2-hydroxyethyl)-4-methyl-6-oxo-1,6-dihydropyridine-3-carbonitrile (CAS 202118-74-9)
- 1-Iodo-4-methyl-2-(trifluoromethyl)benzene (CAS 1369852-22-1)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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