102491-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102491-72-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,4,9 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 102491-72:
(8*1)+(7*0)+(6*2)+(5*4)+(4*9)+(3*1)+(2*7)+(1*2)=95
95 % 10 = 5
So 102491-72-5 is a valid CAS Registry Number.