930778-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 930778-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,0,7,7 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 930778-17:
(8*9)+(7*3)+(6*0)+(5*7)+(4*7)+(3*8)+(2*1)+(1*7)=189
189 % 10 = 9
So 930778-17-9 is a valid CAS Registry Number.