693823-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 693823-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,3,8,2 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 693823-18:
(8*6)+(7*9)+(6*3)+(5*8)+(4*2)+(3*3)+(2*1)+(1*8)=196
196 % 10 = 6
So 693823-18-6 is a valid CAS Registry Number.