78523-31-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78523-31-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,2 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 78523-31:
(7*7)+(6*8)+(5*5)+(4*2)+(3*3)+(2*3)+(1*1)=146
146 % 10 = 6
So 78523-31-6 is a valid CAS Registry Number.
InChI:InChI=1/C20H24N2O3/c1-24-13-2-3-17-15(9-13)14(4-6-21-17)20(23)18-8-12-5-7-22(18)10-16(12)19-11-25-19/h2-4,6,9,12,16,18-20,23H,5,7-8,10-11H2,1H3/t12?,16-,18-,19?,20?/m0/s1