943818-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 943818-61-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,3,8,1 and 8 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 943818-61:
(8*9)+(7*4)+(6*3)+(5*8)+(4*1)+(3*8)+(2*6)+(1*1)=199
199 % 10 = 9
So 943818-61-9 is a valid CAS Registry Number.