43001-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 43001-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,0,0 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 43001-34:
(7*4)+(6*3)+(5*0)+(4*0)+(3*1)+(2*3)+(1*4)=59
59 % 10 = 9
So 43001-34-9 is a valid CAS Registry Number.