94015-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94015-21-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,0,1 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 94015-21:
(7*9)+(6*4)+(5*0)+(4*1)+(3*5)+(2*2)+(1*1)=111
111 % 10 = 1
So 94015-21-1 is a valid CAS Registry Number.