23596-81-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23596-81-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,5,9 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 23596-81:
(7*2)+(6*3)+(5*5)+(4*9)+(3*6)+(2*8)+(1*1)=128
128 % 10 = 8
So 23596-81-8 is a valid CAS Registry Number.