N-(4,4'-bis-dimethylamino-benzhydrylidene)-benzamide, also known as Michler's hydrol or 4,4'-Bis(dimethylamino)benzhydrylideneaniline, is a chemical compound with the molecular formula C21H22N2. It is a yellow crystalline solid that is soluble in organic solvents such as ethanol and ether. N-(4,4'-bis-dimethylamino-benzhydrylidene)-benzamide is primarily used as a chemical intermediate in the synthesis of various dyes, pigments, and pharmaceuticals. It is also employed as a fluorescence brightening agent in the textile industry. Due to its photoreactive properties, it has been studied for potential applications in photodynamic therapy and as a photosensitizer. The compound is known for its ability to form stable charge-transfer complexes, which contributes to its utility in various chemical processes.
The CAS Registry Mumber 574-43-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,7 and 4 respectively; the second part has 2 digits, 4 and 3 respectively. Calculate Digit Verification of CAS Registry Number 574-43: (5*5)+(4*7)+(3*4)+(2*4)+(1*3)=76 76 % 10 = 6 So 574-43-6 is a valid CAS Registry Number.