Cas 209340-40-9,2,2-Dimethyl-propionic acid 2-{(2S,4S,6R,8S,10S)-4-(tert-butyl-dimethyl-silanyloxy)-10-hydroxy-8-[2-(4-methoxy-phenoxy)-ethyl]-4-methyl-1,7-dioxa-spiro[5.5]undec-2-yl}-ethyl ester

209340-40-9

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Basic information

Product Name: 2,2-Dimethyl-propionic acid 2-{(2S,4S,6R,8S,10S)-4-(tert-butyl-dimethyl-silanyloxy)-10-hydroxy-8-[2-(4-methoxy-phenoxy)-ethyl]-4-methyl-1,7-dioxa-spiro[5.5]undec-2-yl}-ethyl ester
Synonyms:
CAS NO:209340-40-9
Molecular Formula:
Molecular Weight: 594.861
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: 2,2-Dimethyl-propionic acid 2-{(2S,4S,6R,8S,10S)-4-(tert-butyl-dimethyl-silanyloxy)-10-hydroxy-8-[2-(4-methoxy-phenoxy)-ethyl]-4-methyl-1,7-dioxa-spiro[5.5]undec-2-yl}-ethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 2,2-Dimethyl-propionic acid 2-{(2S,4S,6R,8S,10S)-4-(tert-butyl-dimethyl-silanyloxy)-10-hydroxy-8-[2-(4-methoxy-phenoxy)-ethyl]-4-methyl-1,7-dioxa-spiro[5.5]undec-2-yl}-ethyl ester(209340-40-9)
EPA Substance Registry System: 2,2-Dimethyl-propionic acid 2-{(2S,4S,6R,8S,10S)-4-(tert-butyl-dimethyl-silanyloxy)-10-hydroxy-8-[2-(4-methoxy-phenoxy)-ethyl]-4-methyl-1,7-dioxa-spiro[5.5]undec-2-yl}-ethyl ester(209340-40-9)

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: 209340-40-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 209340-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,3,4 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 209340-40:
(8*2)+(7*0)+(6*9)+(5*3)+(4*4)+(3*0)+(2*4)+(1*0)=109
109 % 10 = 9
So 209340-40-9 is a valid CAS Registry Number.

209340-40-9Upstream product

209340-29-4 2,2-Dimethyl-propionic acid (3S,5S,9S,11S)-3,11-bis-benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-9-hydroxy-13-(4-methoxy-phenoxy)-5-methyl-7-oxo-tridecyl ester

209340-40-9Downstream Products

209340-40-9Relevant academic research and scientific papers

Synthetic studies on altohyrtins (spongistatins): Synthesis of the C1- C14 (AB) spiroacetal portion

Terauchi, Takeshi,Nakata, Masaya

, p. 3795 - 3798 (2007/10/03)

The C1-C14 portion of altohyrtins (spongistatins) was prepared in a convergent manner from 3,4,6-tri-O-acetyl-D-glucal via a chelation-controlled methylation of ketone, dithiane couplings with epoxides, and a thermodynamically-controlled spitoacetalization.

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