Cas 91897-57-3,Toluene-4-sulfonate(2R,3R,12bS)-2-(2-chloro-ethyl)-3-ethyl-5-methyl-1,2,3,4,6,7,12,12b-octahydro-indolo[2,3-a]quinolizin-5-ium;

91897-57-3

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Product Name: Toluene-4-sulfonate(2R,3R,12bS)-2-(2-chloro-ethyl)-3-ethyl-5-methyl-1,2,3,4,6,7,12,12b-octahydro-indolo[2,3-a]quinolizin-5-ium;
Synonyms: Toluene-4-sulfonate(2R,3R,12bS)-2-(2-chloro-ethyl)-3-ethyl-5-methyl-1,2,3,4,6,7,12,12b-octahydro-indolo[2,3-a]quinolizin-5-ium;
CAS NO:91897-57-3
Molecular Formula:
Molecular Weight: 503.105
EINECS: N/A
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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-sulfonate(2R,3R,12bS)-2-(2-chloro-ethyl)-3-ethyl-5-methyl-1,2,3,4,6,7,12,12b-octahydro-indolo[2,3-a]quinolizin-5-ium;(CAS DataBase Reference)
NIST Chemistry Reference: Toluene-4-sulfonate(2R,3R,12bS)-2-(2-chloro-ethyl)-3-ethyl-5-methyl-1,2,3,4,6,7,12,12b-octahydro-indolo[2,3-a]quinolizin-5-ium;(91897-57-3)
EPA Substance Registry System: Toluene-4-sulfonate(2R,3R,12bS)-2-(2-chloro-ethyl)-3-ethyl-5-methyl-1,2,3,4,6,7,12,12b-octahydro-indolo[2,3-a]quinolizin-5-ium;(91897-57-3)

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: 91897-57-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 91897-57-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,9 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 91897-57:
(7*9)+(6*1)+(5*8)+(4*9)+(3*7)+(2*5)+(1*7)=183
183 % 10 = 3
So 91897-57-3 is a valid CAS Registry Number.

91897-57-3Upstream product

91897-59-5 guettardine

91897-57-3Downstream Products

91897-58-4 Toluene-4-sulfonate(2S,3R,12bS)-2,3-diethyl-5-methyl-1,2,3,4,6,7,12,12b-octahydro-indolo[2,3-a]quinolizin-5-ium;

91897-57-3Relevant academic research and scientific papers

GUETTARDINE, A POSSIBLE BIOGENETIC INTERMEDIATE IN THE FORMATION OF CORYNANTHE-CINCHONA ALKALOIDS

Brillanceau, M. H.,Kan-Fan, C.,Kan, S. K.,Husson, H.-P.

, p. 2767 - 2770 (1984)

The structure of guettardine 1, an indole alkaloid isolated from the bark of Guettarda heterosepala (Rubiaceae), was determined from an analysis of its MS, 1H and 13C NMR spectral data,and by a chemical correlation with dihydrocorynantheol 7.Guettardine 1 can be considered to be an intermediate between the Corynanthe and the cinchonamine groups of alkaloids which are precursors of quinine and its derivatives.

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