780759-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 780759-31-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,0,7,5 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 780759-31:
(8*7)+(7*8)+(6*0)+(5*7)+(4*5)+(3*9)+(2*3)+(1*1)=201
201 % 10 = 1
So 780759-31-1 is a valid CAS Registry Number.