869804-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 869804-83-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,9,8,0 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 869804-83:
(8*8)+(7*6)+(6*9)+(5*8)+(4*0)+(3*4)+(2*8)+(1*3)=231
231 % 10 = 1
So 869804-83-1 is a valid CAS Registry Number.