918331-09-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 918331-09-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,8,3,3 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 918331-09:
(8*9)+(7*1)+(6*8)+(5*3)+(4*3)+(3*1)+(2*0)+(1*9)=166
166 % 10 = 6
So 918331-09-6 is a valid CAS Registry Number.