783298-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 783298-25-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,3,2,9 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 783298-25:
(8*7)+(7*8)+(6*3)+(5*2)+(4*9)+(3*8)+(2*2)+(1*5)=209
209 % 10 = 9
So 783298-25-9 is a valid CAS Registry Number.