20468-51-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20468-51-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,6 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 20468-51:
(7*2)+(6*0)+(5*4)+(4*6)+(3*8)+(2*5)+(1*1)=93
93 % 10 = 3
So 20468-51-3 is a valid CAS Registry Number.
20468-51-3Relevant articles and documents
RING SIZE EFFECTS ON THE GAS PHASE PROTONATION OF CYCLIC KETONES
Bouchoux, G.,Houriet, R.
, p. 5755 - 5758 (2007/10/02)
Experimental proton affinities of cyclic ketones are determined showing evidence for a larger strain energy in protonated vs. neutral cyclic ketones.