66475-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66475-31-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,4,7 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 66475-31:
(7*6)+(6*6)+(5*4)+(4*7)+(3*5)+(2*3)+(1*1)=148
148 % 10 = 8
So 66475-31-8 is a valid CAS Registry Number.