Cas 1620823-63-3,(2R,3S,4R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-5-(2-chlorobenzo[b]thiophen-3-yl)-3,4-dihydro-2H-pyran

1620823-63-3

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Basic information

Product Name: (2R,3S,4R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-5-(2-chlorobenzo[b]thiophen-3-yl)-3,4-dihydro-2H-pyran
Synonyms: (2R,3S,4R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-5-(2-chlorobenzo[b]thiophen-3-yl)-3,4-dihydro-2H-pyran
CAS NO:1620823-63-3
Molecular Formula:
Molecular Weight: 583.148
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: (2R,3S,4R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-5-(2-chlorobenzo[b]thiophen-3-yl)-3,4-dihydro-2H-pyran(CAS DataBase Reference)
NIST Chemistry Reference: (2R,3S,4R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-5-(2-chlorobenzo[b]thiophen-3-yl)-3,4-dihydro-2H-pyran(1620823-63-3)
EPA Substance Registry System: (2R,3S,4R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-5-(2-chlorobenzo[b]thiophen-3-yl)-3,4-dihydro-2H-pyran(1620823-63-3)

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: 1620823-63-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1620823-63-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,8,2 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1620823-63:
(9*1)+(8*6)+(7*2)+(6*0)+(5*8)+(4*2)+(3*3)+(2*6)+(1*3)=143
143 % 10 = 3
So 1620823-63-3 is a valid CAS Registry Number.

1620823-63-3Upstream product

1581758-04-4 (2R,3S,4R,10aS)-3,4-bis(benzyloxy)-2-(benzyloxymethyl)-2,3,4,10a-tetrahydrothiochromeno[2,3-b]pyran

1620823-63-3Downstream Products

1620823-63-3Relevant academic research and scientific papers

Regiospecific synthesis of 2-halo-3-(2'-glucalyl)benzo[ b ]thiophenes

Kinfe, Henok H.,Makolo, Felix L.,Adokoh, Christian K.

, p. 7718 - 7722 (2014/09/16)

A regiospecific synthetic strategy for the synthesis of 2-chloro-3-substituted benzo[b]thiophenes is developed via a dichlorocarbene insertion and sigmatropic rearrangement of an in situ generated ylide. The current protocol provides a reversed regiochemistry to the commonly employed electrophilic cyclization reaction for the synthesis of benzo[b]thiophenes and access to their hitherto under-represented chlorinated derivatives.

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