1128075-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1128075-55-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,8,0,7 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1128075-55:
(9*1)+(8*1)+(7*2)+(6*8)+(5*0)+(4*7)+(3*5)+(2*5)+(1*5)=137
137 % 10 = 7
So 1128075-55-7 is a valid CAS Registry Number.