Cas 99344-45-3,phenyl-1 methyl-2 butene-2 diol-1,4

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Check Digit Verification of cas no

The CAS Registry Mumber 99344-45-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,3,4 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99344-45:
(7*9)+(6*9)+(5*3)+(4*4)+(3*4)+(2*4)+(1*5)=173
173 % 10 = 3
So 99344-45-3 is a valid CAS Registry Number.

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99344-45-3Relevant academic research and scientific papers

Etude d'α-bromo-butyrolactones; application a la preparation du methyl-3 phenyl-4 Δ2 butenolide et du methyl-2 phenyl-1 butene-2 diol-1,4 de configuration Z

Gharbi-Benarous, Josyane,Morales-Rios, Martha S.,Dana, Gilbert

, p. 2384 - 2389 (2007/10/02)

Starting from 2,3-dihydrofuranic compounds, we prepare the corresponding α-bromohydrines and α-bromo-butyrolactones.A solvolytic method of equilibration of these bromolactones in DMF is described.All the stereoisomers are separated and studied.With a Cβ s

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