1039945-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1039945-25-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,9,9,4 and 5 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1039945-25:
(9*1)+(8*0)+(7*3)+(6*9)+(5*9)+(4*4)+(3*5)+(2*2)+(1*5)=169
169 % 10 = 9
So 1039945-25-9 is a valid CAS Registry Number.