Cas 1256157-11-5,isopropyl 3,4,6-tri-O-acetyl-2-deoxy-2-(2,2,2-trichloroethoxycarbonylamino)-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzyl-1-thio-β-D-galactopyranoside

1256157-11-5

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Basic information

Product Name: isopropyl 3,4,6-tri-O-acetyl-2-deoxy-2-(2,2,2-trichloroethoxycarbonylamino)-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzyl-1-thio-β-D-galactopyranoside
Synonyms: isopropyl 3,4,6-tri-O-acetyl-2-deoxy-2-(2,2,2-trichloroethoxycarbonylamino)-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzyl-1-thio-β-D-galactopyranoside
CAS NO:1256157-11-5
Molecular Formula:
Molecular Weight: 971.347
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: isopropyl 3,4,6-tri-O-acetyl-2-deoxy-2-(2,2,2-trichloroethoxycarbonylamino)-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzyl-1-thio-β-D-galactopyranoside(CAS DataBase Reference)
NIST Chemistry Reference: isopropyl 3,4,6-tri-O-acetyl-2-deoxy-2-(2,2,2-trichloroethoxycarbonylamino)-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzyl-1-thio-β-D-galactopyranoside(1256157-11-5)
EPA Substance Registry System: isopropyl 3,4,6-tri-O-acetyl-2-deoxy-2-(2,2,2-trichloroethoxycarbonylamino)-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzyl-1-thio-β-D-galactopyranoside(1256157-11-5)

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Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 1256157-11-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1256157-11-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,1,5 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1256157-11:
(9*1)+(8*2)+(7*5)+(6*6)+(5*1)+(4*5)+(3*7)+(2*1)+(1*1)=145
145 % 10 = 5
So 1256157-11-5 is a valid CAS Registry Number.

1256157-11-5Upstream product

1256157-11-5Downstream Products

1256157-20-6 4-methoxyphenyl 3,4,6-tri-O-acetyl-2-deoxy-2-(2,2,2-trichloroethoxycarbonylamino)-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzyl-α-D-galactopyranosyl-(1->3)-4,6-O-benzylidene-2-deoxy-2-(2,2,2-trichloroethoxycarbonylamino)-β-D-galactopyranosyl-(1->6)-[2-O-benzyl-3,4-O-isopropylidene-α-L-fucopyranosyl-(1->2)]-3,4-O-isopropylidene-β-D-galactopyranoside

1256157-11-5Relevant academic research and scientific papers

Synthesis of the pentasaccharide repeating unit of Escherichia coli O128 antigen

Lv, Xun,Cheng, Shuihong,Wei, Guoha,Du, Yuguo

experimental part, p. 2272 - 2276 (2010/12/19)

A pentasaccharide, 4-methoxyphenyl 2-acetamido-2-deoxy-β-d- galactopyranosyl-(1→4)-α-d-galactopyranosyl-(1→3) -2-acetamido-2-deoxy-β-d-galactopyranosyl-(1→6)-[α-l- fucopyranosyl-(1→2)]-β-d-galactopyranoside (1), representing the repeating unit of Escherichia coli O128 antigen, was successfully prepared in 23% overall yield via a convergent '2+3' glycosylation strategy.

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