102658-83-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102658-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,6,5 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 102658-83:
(8*1)+(7*0)+(6*2)+(5*6)+(4*5)+(3*8)+(2*8)+(1*3)=113
113 % 10 = 3
So 102658-83-3 is a valid CAS Registry Number.