79855-51-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79855-51-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,8,5 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 79855-51:
(7*7)+(6*9)+(5*8)+(4*5)+(3*5)+(2*5)+(1*1)=189
189 % 10 = 9
So 79855-51-9 is a valid CAS Registry Number.