90807-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90807-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,0 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90807-68:
(7*9)+(6*0)+(5*8)+(4*0)+(3*7)+(2*6)+(1*8)=144
144 % 10 = 4
So 90807-68-4 is a valid CAS Registry Number.
90807-68-4Relevant academic research and scientific papers
ON THE ABSORPTION MAXIMA OF PROTONATED AROMATIC RETINAL SCHIFF BASE. AN INTERACTION WITH NON-CONJUGATED POSITIVE CHARGE
Sheves, Mordechai,Rosenbach, Varda
, p. 525 - 528 (2007/10/02)
The absorption maxima of iminium salts of aromatic retinals are less affected by non-conjugated charge in the vicinity of the ring than iminium salts of retinals.
