Cas 204976-83-0,Toluene-4-sulfonic acid (1S,4R,5R)-1-[(E)-(1R,4R)-4,11-bis-(tert-butyl-dimethyl-silanyloxy)-1-methoxymethoxy-undec-2-enyl]-4-(tert-butyl-dimethyl-silanyloxy)-5-methoxymethoxy-nonadecyl ester

204976-83-0

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Basic information

Product Name: Toluene-4-sulfonic acid (1S,4R,5R)-1-[(E)-(1R,4R)-4,11-bis-(tert-butyl-dimethyl-silanyloxy)-1-methoxymethoxy-undec-2-enyl]-4-(tert-butyl-dimethyl-silanyloxy)-5-methoxymethoxy-nonadecyl ester
Synonyms:
CAS NO:204976-83-0
Molecular Formula:
Molecular Weight: 1101.89
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: Toluene-4-sulfonic acid (1S,4R,5R)-1-[(E)-(1R,4R)-4,11-bis-(tert-butyl-dimethyl-silanyloxy)-1-methoxymethoxy-undec-2-enyl]-4-(tert-butyl-dimethyl-silanyloxy)-5-methoxymethoxy-nonadecyl ester(CAS DataBase Reference)
NIST Chemistry Reference: Toluene-4-sulfonic acid (1S,4R,5R)-1-[(E)-(1R,4R)-4,11-bis-(tert-butyl-dimethyl-silanyloxy)-1-methoxymethoxy-undec-2-enyl]-4-(tert-butyl-dimethyl-silanyloxy)-5-methoxymethoxy-nonadecyl ester(204976-83-0)
EPA Substance Registry System: Toluene-4-sulfonic acid (1S,4R,5R)-1-[(E)-(1R,4R)-4,11-bis-(tert-butyl-dimethyl-silanyloxy)-1-methoxymethoxy-undec-2-enyl]-4-(tert-butyl-dimethyl-silanyloxy)-5-methoxymethoxy-nonadecyl ester(204976-83-0)

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: 204976-83-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 204976-83-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,9,7 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 204976-83:
(8*2)+(7*0)+(6*4)+(5*9)+(4*7)+(3*6)+(2*8)+(1*3)=150
150 % 10 = 0
So 204976-83-0 is a valid CAS Registry Number.

204976-83-0Upstream product

204976-83-0Downstream Products

177534-99-5 Longifolicin

204976-83-0Relevant academic research and scientific papers

Total synthesis of the threo, trans, threo-mono-tetrahydrofuran annonaceous acetogenin longifolicin

Marshall, James A.,Jiang, Hongjian

, p. 1493 - 1496 (2007/10/03)

An enantioselective synthesis of the C35 threo, trans, threo-mono-tetrahydrofuran annonaceous acetogenin longifolicin through use of chiral long-chain α-and γ-OMOM allylic stannanes and (E)-ethyl 3-formyl-2-propenoate as the starting materials

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