6721-66-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6721-66-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,2 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6721-66:
(6*6)+(5*7)+(4*2)+(3*1)+(2*6)+(1*6)=100
100 % 10 = 0
So 6721-66-0 is a valid CAS Registry Number.
InChI:InChI=1/C11H17NO/c1-12(2)9-11(13-3)10-7-5-4-6-8-10/h4-8,11H,9H2,1-3H3