911029-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 911029-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,1,0,2 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 911029-57:
(8*9)+(7*1)+(6*1)+(5*0)+(4*2)+(3*9)+(2*5)+(1*7)=137
137 % 10 = 7
So 911029-57-7 is a valid CAS Registry Number.