81532-51-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81532-51-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,3 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81532-51:
(7*8)+(6*1)+(5*5)+(4*3)+(3*2)+(2*5)+(1*1)=116
116 % 10 = 6
So 81532-51-6 is a valid CAS Registry Number.