869983-33-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 869983-33-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,9,9,8 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 869983-33:
(8*8)+(7*6)+(6*9)+(5*9)+(4*8)+(3*3)+(2*3)+(1*3)=255
255 % 10 = 5
So 869983-33-5 is a valid CAS Registry Number.