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Benzoic acid (2S,3R,4R,5R,6R)-3-azido-6-benzyloxymethyl-2-[dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-5-hydroxy-tetrahydro-pyran-4-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

640273-68-3

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640273-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 640273-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,0,2,7 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 640273-68:
(8*6)+(7*4)+(6*0)+(5*2)+(4*7)+(3*3)+(2*6)+(1*8)=143
143 % 10 = 3
So 640273-68-3 is a valid CAS Registry Number.

640273-68-3Relevant academic research and scientific papers

Sulfo-Protected Hexosamine Monosaccharides: Potentially Versatile Building Blocks for Glycosaminoglycan Synthesis

Karst, Nathalie A.,Islam, Tasneem F.,Linhardt, Robert J.

, p. 4839 - 4842 (2007/10/03)

(Equation Presented) 2,2,2-Trifluorodiazoethane was investigated as a reagent for sulfo group protection on hexosamine monosaccharides. The synthesis of glucosamine and galactosamine building blocks fully differentiated for glycosaminoglycan synthesis and

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