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Benzoic acid (2R,3R,4S,5R,6R)-4-benzyloxy-6-benzyloxymethyl-2-((E)-(2S,3R)-3-benzyloxy-2-octadecanoylamino-octadec-4-enyloxy)-5-(2-chloro-acetoxy)-tetrahydro-pyran-3-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

201139-13-1

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201139-13-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201139-13-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,1,3 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 201139-13:
(8*2)+(7*0)+(6*1)+(5*1)+(4*3)+(3*9)+(2*1)+(1*3)=71
71 % 10 = 1
So 201139-13-1 is a valid CAS Registry Number.

201139-13-1Relevant academic research and scientific papers

Chemoselective glycosidation strategy based on glycosyl donors and acceptors carrying phosphorus-containing leaving groups: A convergent synthesis of ganglioside GM3

Sakamoto,Nakamura,Tsuda,Hashimoto

, p. 7691 - 7695 (2007/10/03)

A convergent synthesis of ganglioside GM3 has been achieved by capitalizing on three different phosphorus-containing leaving groups, in which the key features involve a chemo- and regioselective α-glycosidation of sialyl phosphite with partially benzylated galactosyl tetramethylphosphorodiamidate by the aid of trifluoromethanesulfonic acid and a traditionally uncommon coupling of an α-sialyl-(2→3)- galactosyl donor with a glucosylceramide building block which has the β-O-linked ceramide prebuilt into the glucose by a diphenyl phosphate method. (C) 2000 Elsevier Science Ltd.

'Armed-disarmed' glycosidation strategy based on glycosyl donors and acceptors carrying phosphoroamidate as a leaving group: A convergent synthesis of globotriaosylceramide

Hashimoto, Shun-Ichi,Sakamoto, Hiroki,Honda, Takeshi,Abe, Hiroshi,Nakamura, Sei-Ichi,Ikegami, Shiro

, p. 8969 - 8972 (2007/10/03)

A stereocontrolled synthesis of globotriaosylceramide with three different glycosidic linkages has been accomplished by linear and convergent routes exploiting 'armed-disarmed' glycosidation methodology based on glycosyl donors and acceptors carrying tetramethylphosphoroamidate as a leaving group. In particular, the convergent strategy featuring a coupling of a galactosyl(1→4)-galactosyl donor with a glucosylceramide derivative has proven to be extremely efficient.

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