945544-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 945544-16-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,5,5,4 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 945544-16:
(8*9)+(7*4)+(6*5)+(5*5)+(4*4)+(3*4)+(2*1)+(1*6)=191
191 % 10 = 1
So 945544-16-1 is a valid CAS Registry Number.