Cas 91156-90-0,(+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-7-<(methoxymethyl)oxy>-1-methyl-2-(4-toluolsulfonyloxy)gibb-4a(10a)-ene-10-carboxylate

91156-90-0

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Basic information

Product Name: (+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-7-<(methoxymethyl)oxy>-1-methyl-2-(4-toluolsulfonyloxy)gibb-4a(10a)-ene-10-carboxylate
Synonyms: (+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-7-<(methoxymethyl)oxy>-1-methyl-2-(4-toluolsulfonyloxy)gibb-4a(10a)-ene-10-carboxylate
CAS NO:91156-90-0
Molecular Formula:
Molecular Weight: 634.745
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: (+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-7-<(methoxymethyl)oxy>-1-methyl-2-(4-toluolsulfonyloxy)gibb-4a(10a)-ene-10-carboxylate(CAS DataBase Reference)
NIST Chemistry Reference: (+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-7-<(methoxymethyl)oxy>-1-methyl-2-(4-toluolsulfonyloxy)gibb-4a(10a)-ene-10-carboxylate(91156-90-0)
EPA Substance Registry System: (+/-)-(1α,2α,4bβ,10α)-Ethyl 8,8-(ethylenedioxy)-1-(methoxycarbonyl)-7-<(methoxymethyl)oxy>-1-methyl-2-(4-toluolsulfonyloxy)gibb-4a(10a)-ene-10-carboxylate(91156-90-0)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 91156-90-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 91156-90-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,5 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91156-90:
(7*9)+(6*1)+(5*1)+(4*5)+(3*6)+(2*9)+(1*0)=130
130 % 10 = 0
So 91156-90-0 is a valid CAS Registry Number.

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91156-90-0Relevant academic research and scientific papers

Studies on Gibberellin Synthesis: The Total Synthesis of Gibberellic Acid from Hydrofluorenone Intermediates

Hook, James M.,Mander, Lewis N.,Urech, Rudolf

, p. 3250 - 3260 (2007/10/02)

Reductive alkylation of 2,5-dimethoxybenzoic acid with benzyl iodide 15 followed by cyclodehydration furnished fluorenone 8 which was converted into gibbane 10 by means of an acid-catalyzed intramolecular cyclization procedure based on diazo ketone 21.Ben

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