187403-06-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187403-06-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,4,0 and 3 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 187403-06:
(8*1)+(7*8)+(6*7)+(5*4)+(4*0)+(3*3)+(2*0)+(1*6)=141
141 % 10 = 1
So 187403-06-1 is a valid CAS Registry Number.