1094539-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1094539-57-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,4,5,3 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1094539-57:
(9*1)+(8*0)+(7*9)+(6*4)+(5*5)+(4*3)+(3*9)+(2*5)+(1*7)=177
177 % 10 = 7
So 1094539-57-7 is a valid CAS Registry Number.