1005039-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1005039-81-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,5,0,3 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1005039-81:
(9*1)+(8*0)+(7*0)+(6*5)+(5*0)+(4*3)+(3*9)+(2*8)+(1*1)=95
95 % 10 = 5
So 1005039-81-5 is a valid CAS Registry Number.