Cas 136809-49-9,Acetic acid (3R,4S,5R,6R)-6-acetoxymethyl-3,4,5-tris-(toluene-4-sulfonyloxy)-tetrahydro-pyran-2-yl ester

136809-49-9

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Basic information

Product Name: Acetic acid (3R,4S,5R,6R)-6-acetoxymethyl-3,4,5-tris-(toluene-4-sulfonyloxy)-tetrahydro-pyran-2-yl ester
Synonyms:
CAS NO:136809-49-9
Molecular Formula:
Molecular Weight: 726.801
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 (3R,4S,5R,6R)-6-acetoxymethyl-3,4,5-tris-(toluene-4-sulfonyloxy)-tetrahydro-pyran-2-yl ester(CAS DataBase Reference)
NIST Chemistry Reference: Acetic acid (3R,4S,5R,6R)-6-acetoxymethyl-3,4,5-tris-(toluene-4-sulfonyloxy)-tetrahydro-pyran-2-yl ester(136809-49-9)
EPA Substance Registry System: Acetic acid (3R,4S,5R,6R)-6-acetoxymethyl-3,4,5-tris-(toluene-4-sulfonyloxy)-tetrahydro-pyran-2-yl ester(136809-49-9)

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: 136809-49-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 136809-49-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,8,0 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136809-49:
(8*1)+(7*3)+(6*6)+(5*8)+(4*0)+(3*9)+(2*4)+(1*9)=149
149 % 10 = 9
So 136809-49-9 is a valid CAS Registry Number.

136809-49-9Upstream product

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136809-49-9Relevant academic research and scientific papers

A Mild Procedure for Cleavage of 1,6-Anhydro Sugars

Zottola, Mark,Rao, B. Venkateswara,Fraser-Reid, Bert

, p. 969 - 970 (2007/10/02)

Acetolysis of 1,6-anhydro sugars can be achieved by treatment with acetic anhydride and triethylsilyl trifluoromethanesulphonate at 0 deg C for 5-15 minutes, under which conditions a wide variety of protecting groups are unaffected, and even the trisulphonate is cleaved, albeit in six hours.

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