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203923-04-0

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203923-04-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203923-04-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,9,2 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 203923-04:
(8*2)+(7*0)+(6*3)+(5*9)+(4*2)+(3*3)+(2*0)+(1*4)=100
100 % 10 = 0
So 203923-04-0 is a valid CAS Registry Number.

203923-04-0Downstream Products

203923-04-0Relevant articles and documents

C3-symmetric chiral Trisimidazoline: Design and application to organocatalyst

Murai, Kenichi,Fukushima, Shunsuke,Hayashi, Shoko,Takahara, Yusuke,Fujioka, Hiromichi

supporting information; experimental part, p. 964 - 966 (2010/06/15)

(Figure Presented) C3-symmetric chlral trislmidazoline was designed and synthesized as a new entry of organocatalyst with the concept of constructing C3symmetric molecules with three C2-symmetric chiral components, and the application of this novel catalyst to asymmetric conjugate addition of β-ketoesters to nitroolefins was described.

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