719302-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 719302-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,9,3,0 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 719302-89:
(8*7)+(7*1)+(6*9)+(5*3)+(4*0)+(3*2)+(2*8)+(1*9)=163
163 % 10 = 3
So 719302-89-3 is a valid CAS Registry Number.