4959-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4959-83-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,5 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4959-83:
(6*4)+(5*9)+(4*5)+(3*9)+(2*8)+(1*3)=135
135 % 10 = 5
So 4959-83-5 is a valid CAS Registry Number.