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940006-52-0

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940006-52-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 940006-52-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,0,0,0 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 940006-52:
(8*9)+(7*4)+(6*0)+(5*0)+(4*0)+(3*6)+(2*5)+(1*2)=130
130 % 10 = 0
So 940006-52-0 is a valid CAS Registry Number.

940006-52-0Relevant articles and documents

Synthesis of a tetrasaccharide phosphate from the linkage region of the arabinogalactan-peptidoglycan complex in the mycobacterial cell wall

Lee, Yong Joo,Fulse, Dinanath Baburao,Kim, Kwan Soo

, p. 1574 - 1584 (2008/12/21)

The synthesis of dibenzyl 6-O-naphthylmethyl-2,3,5-tri-O-benzoyl-β-d-galactofuranosyl-(1→5)-2,3-di-O-benzoyl-6-O-benzyl-β-d-galactofuranosyl-(1→4)-3-O-benzyl-2-O-pivaloyl-α-l-rhamnopyranosyl-(1→3)-2-acetamido-2-deoxy-4,6-di-O-benzoyl-α-d-glucopyranosyl phosphate (1), a protected form of the tetrasaccharide phosphate of the linkage region of the arabinogalactan-peptidoglycan complex in the mycobacterial cell wall, has been accomplished. Key steps include the coupling of four monosaccharide building blocks with complete stereoselectivity by glycosylations employing thioglycosides, 2′-carboxybenzyl glycosides, and glycosyl fluorides as glycosyl donors. The α-glycosyl phosphate linkage was also stereoselectively elaborated by reaction of a tetrasaccharide hemiacetal with tetrabenzyl pyrophosphate in the presence of a base.

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