56979-68-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56979-68-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,7 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 56979-68:
(7*5)+(6*6)+(5*9)+(4*7)+(3*9)+(2*6)+(1*8)=191
191 % 10 = 1
So 56979-68-1 is a valid CAS Registry Number.