1039933-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1039933-71-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,9,9,3 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1039933-71:
(9*1)+(8*0)+(7*3)+(6*9)+(5*9)+(4*3)+(3*3)+(2*7)+(1*1)=165
165 % 10 = 5
So 1039933-71-5 is a valid CAS Registry Number.