869858-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 869858-31-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,9,8,5 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 869858-31:
(8*8)+(7*6)+(6*9)+(5*8)+(4*5)+(3*8)+(2*3)+(1*1)=251
251 % 10 = 1
So 869858-31-1 is a valid CAS Registry Number.