1004546-45-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1004546-45-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,4,5,4 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1004546-45:
(9*1)+(8*0)+(7*0)+(6*4)+(5*5)+(4*4)+(3*6)+(2*4)+(1*5)=105
105 % 10 = 5
So 1004546-45-5 is a valid CAS Registry Number.