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74219-39-9

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74219-39-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74219-39-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,1 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74219-39:
(7*7)+(6*4)+(5*2)+(4*1)+(3*9)+(2*3)+(1*9)=129
129 % 10 = 9
So 74219-39-9 is a valid CAS Registry Number.

74219-39-9Upstream product

74219-39-9Downstream Products

74219-39-9Relevant academic research and scientific papers

Kinetics and Mechanism of the Decomposition of the Molecular Ions of Pentanal and its Monomethyl-substituted Homologues in the Picosecond to Microsecond Time Interval following Field Ionization

Morgan, Roger P.,Derrick, Peter J.,Loudon, Alexander G.

, p. 306 - 312 (1980)

The kinetics of decomposition of pentanal and its monomethyl homologues, including hexanal, have been studied as a function of time following field ionisation (FI).With the aid of these results and other energetic measurements, the McLafferty rearrangement in the case of hexanal is shown to occur by a stepwise mechanism.

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