102680-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102680-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,6,8 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 102680-52:
(8*1)+(7*0)+(6*2)+(5*6)+(4*8)+(3*0)+(2*5)+(1*2)=94
94 % 10 = 4
So 102680-52-4 is a valid CAS Registry Number.