18740-32-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18740-32-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,7,4 and 0 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 18740-32:
(7*1)+(6*8)+(5*7)+(4*4)+(3*0)+(2*3)+(1*2)=114
114 % 10 = 4
So 18740-32-4 is a valid CAS Registry Number.