128262-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128262-67-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,6 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128262-67:
(8*1)+(7*2)+(6*8)+(5*2)+(4*6)+(3*2)+(2*6)+(1*7)=129
129 % 10 = 9
So 128262-67-9 is a valid CAS Registry Number.