64725-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64725-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,7,2 and 5 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 64725-63:
(7*6)+(6*4)+(5*7)+(4*2)+(3*5)+(2*6)+(1*3)=139
139 % 10 = 9
So 64725-63-9 is a valid CAS Registry Number.
64725-63-9Relevant 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.
