128308-07-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128308-07-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,0 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128308-07:
(8*1)+(7*2)+(6*8)+(5*3)+(4*0)+(3*8)+(2*0)+(1*7)=116
116 % 10 = 6
So 128308-07-6 is a valid CAS Registry Number.