129302-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129302-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,3,0 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 129302-56:
(8*1)+(7*2)+(6*9)+(5*3)+(4*0)+(3*2)+(2*5)+(1*6)=113
113 % 10 = 3
So 129302-56-3 is a valid CAS Registry Number.