233690-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 233690-78-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,3,6,9 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 233690-78:
(8*2)+(7*3)+(6*3)+(5*6)+(4*9)+(3*0)+(2*7)+(1*8)=143
143 % 10 = 3
So 233690-78-3 is a valid CAS Registry Number.