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cis-1-(p-bromophenyl)-4-phenyl-2-butene-1,4-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

22862-57-3

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22862-57-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22862-57-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,6 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 22862-57:
(7*2)+(6*2)+(5*8)+(4*6)+(3*2)+(2*5)+(1*7)=113
113 % 10 = 3
So 22862-57-3 is a valid CAS Registry Number.

22862-57-3Relevant academic research and scientific papers

Stereospecific Epoxidation of cis-2-Butene-1,4-diones to cis-2,3-Epoxybutane-1,4-diones with Oxodiperoxomolybdenum (VI), MoO5*H2O*HMPA

Chien, Chun-Sheng,Kawasaki, Tomomi,Sakamoto, Masanori,Tamura, Yasumitsu,Kita, Yasuyuki

, p. 2743 - 2749 (2007/10/02)

The epoxidation of cis-2-butene-1,4-diones 4 with (aqua)(hexamethylphosphoramide)oxodiperoxomolybdenum (VI), MoO5*H2O*HMPA, occured stereospecifically to give the cis-epoxides 5, whose stereochemistry was assigned on the basis of chemical evidence and a comparision of their spectral data with those of the corresponding trans-epoxides 6, which were prepared by the epoxidation of the trans-olefins 3 with alkaline hydrogen peroxide.

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