6135-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6135-43-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,3 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6135-43:
(6*6)+(5*1)+(4*3)+(3*5)+(2*4)+(1*3)=79
79 % 10 = 9
So 6135-43-9 is a valid CAS Registry Number.