116545-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116545-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,5,4 and 5 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 116545-07:
(8*1)+(7*1)+(6*6)+(5*5)+(4*4)+(3*5)+(2*0)+(1*7)=114
114 % 10 = 4
So 116545-07-4 is a valid CAS Registry Number.
116545-07-4Relevant articles and documents
An Improved Procedure for the Preparation of Acetals from Diaryl Ketones
Thurkauf, Andrew,Jacobson, Arthur E.,Rice, Kenner C.
, p. 233 - 234 (2007/10/02)
Acetals of diaryl ketones with nitro, halo and methoxy substituents are easily prepared in high yield by treatment with an alcohol and the corresponding trialkyl ortoformate in the presence of catalytic amount of trifluoromethanesulfonic acid.
