91290-75-4 Usage
Preparation
preparation by demethylation of 4′-chloro-2, 5-dimethoxy-benzophenone (SM) with boron tribromide in methylene chloride,.
Check Digit Verification of cas no
The CAS Registry Mumber 91290-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,9 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 91290-75:
(7*9)+(6*1)+(5*2)+(4*9)+(3*0)+(2*7)+(1*5)=134
134 % 10 = 4
So 91290-75-4 is a valid CAS Registry Number.
91290-75-4Relevant academic research and scientific papers
Benzophenone-Mediated Conjugate Additions of Aromatic Aldehydes to Quinones
Kraus, George A.,Liu, Peng
, p. 7723 - 7726 (2007/10/02)
Benzophenone increases the efficiency of the photochemically mediated addition of aldehydes to quinones.
