495397-88-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 495397-88-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,5,3,9 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 495397-88:
(8*4)+(7*9)+(6*5)+(5*3)+(4*9)+(3*7)+(2*8)+(1*8)=221
221 % 10 = 1
So 495397-88-1 is a valid CAS Registry Number.