106302-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106302-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,3,0 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 106302-20:
(8*1)+(7*0)+(6*6)+(5*3)+(4*0)+(3*2)+(2*2)+(1*0)=69
69 % 10 = 9
So 106302-20-9 is a valid CAS Registry Number.