187334-30-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187334-30-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,3,3 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 187334-30:
(8*1)+(7*8)+(6*7)+(5*3)+(4*3)+(3*4)+(2*3)+(1*0)=151
151 % 10 = 1
So 187334-30-1 is a valid CAS Registry Number.