830343-19-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 830343-19-6 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, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 830343-19:
(8*8)+(7*3)+(6*0)+(5*3)+(4*4)+(3*3)+(2*1)+(1*9)=136
136 % 10 = 6
So 830343-19-6 is a valid CAS Registry Number.