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111533-49-4

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111533-49-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111533-49-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,5,3 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 111533-49:
(8*1)+(7*1)+(6*1)+(5*5)+(4*3)+(3*3)+(2*4)+(1*9)=84
84 % 10 = 4
So 111533-49-4 is a valid CAS Registry Number.

111533-49-4Relevant articles and documents

Synthesis of Enantiomerically Pure 2,5-Disubstituted Teterahydrofurans Using Readily Prepared (2S)-1-Phenylsulphonylalkan-2-ols

Tanikaga, Rikuhei,Hosoya, Ken,Kaji, Aritsune

, p. 1799 - 1804 (2007/10/02)

Enantiomerically pure (2S)-1-phenylsulphonylalkan-2-ols have been prepared from 1-chloro-3-phenylsulphonylpropan-2-one (2) by the folloving successive procedures: reduction with baker's yeast, epoxidation with silver(I) oxide, and alkylation with

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