101523-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101523-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,5,2 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 101523-87:
(8*1)+(7*0)+(6*1)+(5*5)+(4*2)+(3*3)+(2*8)+(1*7)=79
79 % 10 = 9
So 101523-87-9 is a valid CAS Registry Number.