1139703-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1139703-71-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,9,7,0 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1139703-71:
(9*1)+(8*1)+(7*3)+(6*9)+(5*7)+(4*0)+(3*3)+(2*7)+(1*1)=151
151 % 10 = 1
So 1139703-71-1 is a valid CAS Registry Number.