187242-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187242-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,2,4 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 187242-55:
(8*1)+(7*8)+(6*7)+(5*2)+(4*4)+(3*2)+(2*5)+(1*5)=153
153 % 10 = 3
So 187242-55-3 is a valid CAS Registry Number.