81593-27-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81593-27-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,9 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81593-27:
(7*8)+(6*1)+(5*5)+(4*9)+(3*3)+(2*2)+(1*7)=143
143 % 10 = 3
So 81593-27-3 is a valid CAS Registry Number.