185200-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 185200-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,2,0 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 185200-42:
(8*1)+(7*8)+(6*5)+(5*2)+(4*0)+(3*0)+(2*4)+(1*2)=114
114 % 10 = 4
So 185200-42-4 is a valid CAS Registry Number.