128023-41-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128023-41-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,0,2 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 128023-41:
(8*1)+(7*2)+(6*8)+(5*0)+(4*2)+(3*3)+(2*4)+(1*1)=96
96 % 10 = 6
So 128023-41-6 is a valid CAS Registry Number.