31354-56-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31354-56-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,3,5 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 31354-56:
(7*3)+(6*1)+(5*3)+(4*5)+(3*4)+(2*5)+(1*6)=90
90 % 10 = 0
So 31354-56-0 is a valid CAS Registry Number.