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28123-49-1

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28123-49-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28123-49-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,1,2 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28123-49:
(7*2)+(6*8)+(5*1)+(4*2)+(3*3)+(2*4)+(1*9)=101
101 % 10 = 1
So 28123-49-1 is a valid CAS Registry Number.

28123-49-1Relevant articles and documents

Addition-type oxidation of silylalkene using ozone: An efficient approach for acyloin and its derivatives

Igawa, Kazunobu,Kawasaki, Yuuya,Tomooka, Katsuhiko

, p. 233 - 235 (2011/05/14)

Acyloins are efficiently synthesized in three steps from alkynes via ydrosilylation followed by an addition-type ozone oxidation and hydrogenation. The key intermediate α-silylperoxy ketone is convertible to not only acyloin but also O-silylated acyloin and diketone.

REDUCTIVE COUPLING OF S-(2-PYRIDYL) ALIPHATIC THIOATES BY USE OF BIS(1,5-CYCLOOCTADIENE)NICKEL

Onaka, Makoto,Matsuoka, Yoshio,Mukaiyama, Teruaki

, p. 905 - 906 (2007/10/02)

S-(2-Pyridyl) aliphatic thioates are reductively dimerized to give α-diketones and α-hydroxy ketones on treatment with bis(1,5-cyclooctadiene)nickel at 40 deg C.

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