93578-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93578-21-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,5,7 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 93578-21:
(7*9)+(6*3)+(5*5)+(4*7)+(3*8)+(2*2)+(1*1)=163
163 % 10 = 3
So 93578-21-3 is a valid CAS Registry Number.