65572-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65572-31-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,5,7 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65572-31:
(7*6)+(6*5)+(5*5)+(4*7)+(3*2)+(2*3)+(1*1)=138
138 % 10 = 8
So 65572-31-8 is a valid CAS Registry Number.