4,4′-methylene-<SUP>13</SUP>C-diphenylamine CAS 190778-00-8
| CAS No. | 190778-00-8 |
| Molecular Formula | C12[13C]H26N2 |
| Molecular Weight | 211.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 211.35 g/mol gives 4,4′-methylene-<SUP>13</SUP>C-diphenylamine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4,4′-methylene-<SUP>13</SUP>C-diphenylamine (CAS 190778-00-8), a certified reference material (molecular formula C12[13C]H26N2, MW 211.35 g/mol) for analytical method development and quality control.
Based on its molecular formula C12[13C]H26N2, 4,4′-methylene-<SUP>13</SUP>C-diphenylamine contains a nitrile group; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 211.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4,4′-methylene-<SUP>13</SUP>C-diphenylamine 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 | C12[13C]H26N2 |
| Molecular Weight | 211.35 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2011 |
| Nitrogen Atoms | 2 |
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