Cas 612844-12-9,2-(trimethylsilyl)ethyl 4,6-O-benzylidene-2-deoxy-2-(2,2,2-trichloroethoxycarbamoyl)-3-O-(2,2,2-trichloroethoxycarbonyl)-β-D-galactopyranosyl-(1->4)-{[methyl 5-acetamido-8-O-(5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylono-1',9-lactone)-4,7-di-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate]-(2->3)}-2,6-di-O-benzyl-β-D-galactopyranoside

612844-12-9

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Basic information

Product Name: 2-(trimethylsilyl)ethyl 4,6-O-benzylidene-2-deoxy-2-(2,2,2-trichloroethoxycarbamoyl)-3-O-(2,2,2-trichloroethoxycarbonyl)-β-D-galactopyranosyl-(1->4)-{[methyl 5-acetamido-8-O-(5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylono-1',9-lactone)-4,7-di-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate]-(2->3)}-2,6-di-O-benzyl-β-D-galactopyranoside
Synonyms: 2-(trimethylsilyl)ethyl 4,6-O-benzylidene-2-deoxy-2-(2,2,2-trichloroethoxycarbamoyl)-3-O-(2,2,2-trichloroethoxycarbonyl)-β-D-galactopyranosyl-(1->4)-{[methyl 5-acetamido-8-O-(5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylono-1',9-lactone)-4,7-di-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate]-(2->3)}-2,6-di-O-benzyl-β-D-galactopyranoside
CAS NO:612844-12-9
Molecular Formula:
Molecular Weight: 1891.46
EINECS: N/A
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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: 2-(trimethylsilyl)ethyl 4,6-O-benzylidene-2-deoxy-2-(2,2,2-trichloroethoxycarbamoyl)-3-O-(2,2,2-trichloroethoxycarbonyl)-β-D-galactopyranosyl-(1->4)-{[methyl 5-acetamido-8-O-(5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylono-1',9-lactone)-4,7-di-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate]-(2->3)}-2,6-di-O-benzyl-β-D-galactopyranoside(CAS DataBase Reference)
NIST Chemistry Reference: 2-(trimethylsilyl)ethyl 4,6-O-benzylidene-2-deoxy-2-(2,2,2-trichloroethoxycarbamoyl)-3-O-(2,2,2-trichloroethoxycarbonyl)-β-D-galactopyranosyl-(1->4)-{[methyl 5-acetamido-8-O-(5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylono-1',9-lactone)-4,7-di-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate]-(2->3)}-2,6-di-O-benzyl-β-D-galactopyranoside(612844-12-9)
EPA Substance Registry System: 2-(trimethylsilyl)ethyl 4,6-O-benzylidene-2-deoxy-2-(2,2,2-trichloroethoxycarbamoyl)-3-O-(2,2,2-trichloroethoxycarbonyl)-β-D-galactopyranosyl-(1->4)-{[methyl 5-acetamido-8-O-(5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylono-1',9-lactone)-4,7-di-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate]-(2->3)}-2,6-di-O-benzyl-β-D-galactopyranoside(612844-12-9)

Safety Data

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HazardClass: N/A
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Hazardous Substances Data: 612844-12-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 612844-12-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,2,8,4 and 4 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 612844-12:
(8*6)+(7*1)+(6*2)+(5*8)+(4*4)+(3*4)+(2*1)+(1*2)=139
139 % 10 = 9
So 612844-12-9 is a valid CAS Registry Number.

612844-12-9Upstream product

612844-12-9Downstream Products

612844-12-9Relevant academic research and scientific papers

Di-tert-butylsilylene (DTBS) group-directed α-selective galactosylation unaffected by C-2 participating functionalities

Imamura, Akihiro,Ando, Hiromune,Korogi, Satomi,Tanabe, Genzoh,Muraoka, Osamu,Ishida, Hideharu,Kiso, Makoto

, p. 6725 - 6728 (2003)

We have discovered an unusual α-galactosylation using phenylthioglycoside of 4,6-O-di-tert-butylsilylene (DTBS)-protected galactose derivatives as a glycosyl donor, which was not hampered by the neighboring participation of C-2 acyl functionality such as NTroc and OBz. The power of the DTBS effect has been exemplified by the coupling reaction with various glycosyl acceptors.

Ganglioside GQ1b: Efficient total synthesis and the expansion to synthetic derivatives to elucidate its biological roles

Imamura, Akihiro,Ando, Hiromune,Ishida, Hideharu,Kiso, Makoto

supporting information; experimental part, p. 3009 - 3023 (2009/08/15)

The convergent total synthesis of ganglioside GQ1b based on the "cassette approach" between the nonreducing end GQ1b-core heptasaccharide and glucosylceramide building blocks was accomplished in high overall yield. The use of a sialylα(2→8)sialylα(2→3) ga

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