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(2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl)but-1-yne is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1131376-40-3

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1131376-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1131376-40-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,1,3,7 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1131376-40:
(9*1)+(8*1)+(7*3)+(6*1)+(5*3)+(4*7)+(3*6)+(2*4)+(1*0)=113
113 % 10 = 3
So 1131376-40-3 is a valid CAS Registry Number.

1131376-40-3Relevant academic research and scientific papers

Regioselectivity of larock indole synthesis using functionalized alkynes

Sugino, Kumi,Yoshimura, Hiroshi,Nishikawa, Toshio,Isobe, Minoru

, p. 2092 - 2102 (2008/12/23)

Regioselectivity of Larock indole synthesis, a palladium-catalyzed heteroannulation between o-iodoaniline and internal acetylene, was estimated using acetylenes substituted with ester and/or Boc-protected amine at the homopropargylic position and with perbenzyl- and unprotected glucose. Low to moderate regioselectivities were observed in all the cases, indicating these functional groups do not exert good directing effects, in the Larock indole synthesis.

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