Cas 181256-70-2,[(1R,2R,4R,5R)-4-(2,4-Dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-trityloxymethyl-3,6-dioxa-bicyclo[3.1.0]hex-1-yl]-phosphonic acid diethyl ester

181256-70-2

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Product Name: [(1R,2R,4R,5R)-4-(2,4-Dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-trityloxymethyl-3,6-dioxa-bicyclo[3.1.0]hex-1-yl]-phosphonic acid diethyl ester
Synonyms: [(1R,2R,4R,5R)-4-(2,4-Dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-trityloxymethyl-3,6-dioxa-bicyclo[3.1.0]hex-1-yl]-phosphonic acid diethyl ester
CAS NO:181256-70-2
Molecular Formula:
Molecular Weight: 604.596
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: [(1R,2R,4R,5R)-4-(2,4-Dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-trityloxymethyl-3,6-dioxa-bicyclo[3.1.0]hex-1-yl]-phosphonic acid diethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: [(1R,2R,4R,5R)-4-(2,4-Dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-trityloxymethyl-3,6-dioxa-bicyclo[3.1.0]hex-1-yl]-phosphonic acid diethyl ester(181256-70-2)
EPA Substance Registry System: [(1R,2R,4R,5R)-4-(2,4-Dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-trityloxymethyl-3,6-dioxa-bicyclo[3.1.0]hex-1-yl]-phosphonic acid diethyl ester(181256-70-2)

Safety Data

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Safety Statements: N/A
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RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 181256-70-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 181256-70-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,2,5 and 6 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 181256-70:
(8*1)+(7*8)+(6*1)+(5*2)+(4*5)+(3*6)+(2*7)+(1*0)=132
132 % 10 = 2
So 181256-70-2 is a valid CAS Registry Number.

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181256-70-2Relevant academic research and scientific papers

Synthesis of nucleoside epoxyphosphonates

McEldoon, Wenkui Lan,Wiemer, David F.

, p. 11695 - 11704 (2007/10/03)

Reaction of two regioisomeric uridine derivatives, 1-[3-(diethoxyphosphinyl)-5-O-trityl-β-D-xylofuranosyl]uracil (4) and 1-[2-(diethoxyphosphinyl)-5-O-trityl-β-D-arabinofuranosyl]uracil (13), with triflyl chloride and 4-pyrrolidinopyridine (4-PDP) results in formation of the corresponding nucleoside epoxyphosphonates. This transformation is immediately useful for confirming the trans relationship of the 2'- and 3'-hydroxyl groups in the geminal hydroxyphosphonates 3 and 12, and provides access to two new families of nucleoside derivatives that may be of interest for their synthetic utility and biological properties.

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