5622-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5622-31-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,2 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5622-31:
(6*5)+(5*6)+(4*2)+(3*2)+(2*3)+(1*1)=81
81 % 10 = 1
So 5622-31-1 is a valid CAS Registry Number.