93442-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93442-16-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,4,4 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 93442-16:
(7*9)+(6*3)+(5*4)+(4*4)+(3*2)+(2*1)+(1*6)=131
131 % 10 = 1
So 93442-16-1 is a valid CAS Registry Number.