66940-64-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66940-64-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,9,4 and 0 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 66940-64:
(7*6)+(6*6)+(5*9)+(4*4)+(3*0)+(2*6)+(1*4)=155
155 % 10 = 5
So 66940-64-5 is a valid CAS Registry Number.
InChI:InChI=1/C13H16N2O3/c1-8(2)7-13(9-5-3-4-6-9)10(16)14-12(18)15-11(13)17/h3,5,9H,1,4,6-7H2,2H3,(H2,14,15,16,17,18)