4595-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4595-25-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,9 and 5 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4595-25:
(6*4)+(5*5)+(4*9)+(3*5)+(2*2)+(1*5)=109
109 % 10 = 9
So 4595-25-9 is a valid CAS Registry Number.