1027428-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1027428-52-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,7,4,2 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1027428-52:
(9*1)+(8*0)+(7*2)+(6*7)+(5*4)+(4*2)+(3*8)+(2*5)+(1*2)=129
129 % 10 = 9
So 1027428-52-9 is a valid CAS Registry Number.