187458-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187458-25-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,4,5 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 187458-25:
(8*1)+(7*8)+(6*7)+(5*4)+(4*5)+(3*8)+(2*2)+(1*5)=179
179 % 10 = 9
So 187458-25-9 is a valid CAS Registry Number.