830343-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 830343-25-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,3,0,3,4 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 830343-25:
(8*8)+(7*3)+(6*0)+(5*3)+(4*4)+(3*3)+(2*2)+(1*5)=134
134 % 10 = 4
So 830343-25-4 is a valid CAS Registry Number.