102542-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102542-98-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,5,4 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 102542-98:
(8*1)+(7*0)+(6*2)+(5*5)+(4*4)+(3*2)+(2*9)+(1*8)=93
93 % 10 = 3
So 102542-98-3 is a valid CAS Registry Number.