56978-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56978-49-5 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 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 56978-49:
(7*5)+(6*6)+(5*9)+(4*7)+(3*8)+(2*4)+(1*9)=185
185 % 10 = 5
So 56978-49-5 is a valid CAS Registry Number.