23187-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23187-42-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,1,8 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 23187-42:
(7*2)+(6*3)+(5*1)+(4*8)+(3*7)+(2*4)+(1*2)=100
100 % 10 = 0
So 23187-42-0 is a valid CAS Registry Number.