Cas 14195-23-4,1-phenyl-propane-1,2-dione-bis-(2,4-dinitro-phenylhydrazone)

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Check Digit Verification of cas no

The CAS Registry Mumber 14195-23-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,1,9 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 14195-23:
(7*1)+(6*4)+(5*1)+(4*9)+(3*5)+(2*2)+(1*3)=94
94 % 10 = 4
So 14195-23-4 is a valid CAS Registry Number.

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14195-23-4Relevant academic research and scientific papers

Acyloin Condensation of 1,2-Diacyloxyethanes; Directed Synthesis of Unsymmetrically Substituted 1,2-Bis-(trimethylsiloxy)ethenes

Friedrich, Klaus,Haesler, Juergen,Pulst, Siegmar

, p. 63 - 65 (2007/10/02)

A synthesis specifically directed to unsymmetrically substituted 1,2-bis(trimethylsiloxy)ethenes (2a-d), precursors of the corresponding acyloins, was accomplished by intramolecular acyloin condensation of the unsymmetrical 1,2-diacyloxyethanes (1a-d) wit

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14195-23-4

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