2497-78-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2497-78-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,9 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 2497-78:
(6*2)+(5*4)+(4*9)+(3*7)+(2*7)+(1*8)=111
111 % 10 = 1
So 2497-78-1 is a valid CAS Registry Number.
InChI:InChI=1/C11H12I3NO2.Na/c1-2-5(11(16)17)3-6-7(12)4-8(13)10(15)9(6)14;/h4-5H,2-3,15H2,1H3,(H,16,17);/q;+1/p-1