187742-14-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187742-14-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,7,4 and 2 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 187742-14:
(8*1)+(7*8)+(6*7)+(5*7)+(4*4)+(3*2)+(2*1)+(1*4)=169
169 % 10 = 9
So 187742-14-9 is a valid CAS Registry Number.