1280666-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1280666-71-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,0,6,6 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1280666-71:
(9*1)+(8*2)+(7*8)+(6*0)+(5*6)+(4*6)+(3*6)+(2*7)+(1*1)=168
168 % 10 = 8
So 1280666-71-8 is a valid CAS Registry Number.