835909-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 835909-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,3,5,9,0 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 835909-18:
(8*8)+(7*3)+(6*5)+(5*9)+(4*0)+(3*9)+(2*1)+(1*8)=197
197 % 10 = 7
So 835909-18-7 is a valid CAS Registry Number.