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137344-91-3

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137344-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137344-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,3,4 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 137344-91:
(8*1)+(7*3)+(6*7)+(5*3)+(4*4)+(3*4)+(2*9)+(1*1)=133
133 % 10 = 3
So 137344-91-3 is a valid CAS Registry Number.

137344-91-3Downstream Products

137344-91-3Relevant academic research and scientific papers

Diacetone glucose architecture as a chirality template I. Crucial effects of the intramolecular oxygens upon the LiAlH4 reduction of the propargyl alcohol of 3-C-ethynyl-1,2:5,6-di-O-isopropylidene-α-D-allofuranose derivatives

Kakinuma, Katsumi,Matsuzawa, Toshihiro,Eguchi, Tadashi

, p. 6975 - 6982 (2007/10/02)

The facile as well as regio- and stereoselective reactivity of 3-C-ethynyl-1,2:5,6-di-O-isopropylidene-α-D-allofuranose derivatives for LiAlH4 reduction into the corresponding ethenyl derivatives were investigated. The effect of oxygen atoms on the reduction is discussed by means of semi-empirical MO calculation.

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