102449-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102449-40-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,4,4 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 102449-40:
(8*1)+(7*0)+(6*2)+(5*4)+(4*4)+(3*9)+(2*4)+(1*0)=91
91 % 10 = 1
So 102449-40-1 is a valid CAS Registry Number.