869337-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 869337-31-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,9,3,3 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 869337-31:
(8*8)+(7*6)+(6*9)+(5*3)+(4*3)+(3*7)+(2*3)+(1*1)=215
215 % 10 = 5
So 869337-31-5 is a valid CAS Registry Number.