80866-33-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80866-33-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,8,6 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 80866-33:
(7*8)+(6*0)+(5*8)+(4*6)+(3*6)+(2*3)+(1*3)=147
147 % 10 = 7
So 80866-33-7 is a valid CAS Registry Number.