Cas 121947-41-9,Acetic acid (2S,3R,4S,5R)-4,5-diacetoxy-2-((3R,4S,5R)-4,5-bis-benzyloxy-6-methoxy-tetrahydro-pyran-3-yloxy)-tetrahydro-pyran-3-yl ester

121947-41-9

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Basic information

Product Name: Acetic acid (2S,3R,4S,5R)-4,5-diacetoxy-2-((3R,4S,5R)-4,5-bis-benzyloxy-6-methoxy-tetrahydro-pyran-3-yloxy)-tetrahydro-pyran-3-yl ester
Synonyms:
CAS NO:121947-41-9
Molecular Formula:
Molecular Weight: 602.636
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: Acetic acid (2S,3R,4S,5R)-4,5-diacetoxy-2-((3R,4S,5R)-4,5-bis-benzyloxy-6-methoxy-tetrahydro-pyran-3-yloxy)-tetrahydro-pyran-3-yl ester(CAS DataBase Reference)
NIST Chemistry Reference: Acetic acid (2S,3R,4S,5R)-4,5-diacetoxy-2-((3R,4S,5R)-4,5-bis-benzyloxy-6-methoxy-tetrahydro-pyran-3-yloxy)-tetrahydro-pyran-3-yl ester(121947-41-9)
EPA Substance Registry System: Acetic acid (2S,3R,4S,5R)-4,5-diacetoxy-2-((3R,4S,5R)-4,5-bis-benzyloxy-6-methoxy-tetrahydro-pyran-3-yloxy)-tetrahydro-pyran-3-yl ester(121947-41-9)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 121947-41-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 121947-41-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,9,4 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 121947-41:
(8*1)+(7*2)+(6*1)+(5*9)+(4*4)+(3*7)+(2*4)+(1*1)=119
119 % 10 = 9
So 121947-41-9 is a valid CAS Registry Number.

121947-41-9Upstream product

121947-41-9Downstream Products

69973-32-6 methyl β-D-xylobioside

121947-41-9Relevant academic research and scientific papers

THE EFFECT OF REPLACING A 3-O-ACETYL GROUP BY A 3-O-BENZY; GROUP IN A METHYL 4-O-TRITYL-β-D-XYLOPYRANOSIDE DERIVATIVE ON THE EFFICIENCY OF 1,2-trans-GLYCOSYLATION WITH A D-XYLOSE 1,2-O-(1-CYANOETHYLIDENE) DERIVATIVE

Nifantev, Nikolay E.,Backinowsky, Leon V.,Kochetkov, Nikolay K.

, p. 13 - 20 (2007/10/02)

Replacement of AcO-3 in methyl 2,3-di-O-acetyl-4-O-trityl-β-D-xylopyranoside with a benzyl group greatly increases the 1,2-trans-stereoselectivity of glycosylation with D-xylopyranose 1,2-O-(1-Cyanoethylidene) derivative.Anomerisation of methyl 2-O-benzyl-β-D-xylopyranoside derivatives occured under the action of triphenylmethylium perchlorate.

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