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134340-69-5

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134340-69-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134340-69-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,3,4 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 134340-69:
(8*1)+(7*3)+(6*4)+(5*3)+(4*4)+(3*0)+(2*6)+(1*9)=105
105 % 10 = 5
So 134340-69-5 is a valid CAS Registry Number.

134340-69-5Downstream Products

134340-69-5Relevant academic research and scientific papers

Synthesis of 2-aza-1-cyano-4-hydroxyanthraquinones

Claessens, Sven,Jacobs, Jan,De Kimpe, Norbert

, p. 741 - 744 (2008/01/06)

Phthalide annulation of 2-alkylpyridin-3-ones results in the formation of the unexpected 2-aza-1-cyano-4-hydroxy-anthraquinones, the cyano moiety originating from the 3-cyanophthalide. These compounds hold great potential against Epstein-Barr Virus Early

An efficient preparation of optically active α-furfuryl amide by kinetic resolution using the modified sharpless asymmetric epoxidation reagent

Zhou, Wei-Shan,Lu, Zhi-Hui,Wang, Zhi-Min

, p. 1467 - 1470 (2007/10/02)

Kinetic resolution of α-furfuryl amide was first carried out by using the modified Sharpless asymmetric epoxidation reagent to give the slow-reacting enantiomers, (S)-la-f and (R)-lb,f in high enantioselectivity (90-100% e.e) and high chemical yield (45-5

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