839690-40-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 839690-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,3,9,6,9 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 839690-40:
(8*8)+(7*3)+(6*9)+(5*6)+(4*9)+(3*0)+(2*4)+(1*0)=213
213 % 10 = 3
So 839690-40-3 is a valid CAS Registry Number.