Cas 155908-34-2,Toluene-4-sulfonic acid (3S,8S,9S,10R,13R,14S,17R)-17-[(Z)-(1R,5R)-6-(tert-butyl-diphenyl-silanyloxy)-1,5-dimethyl-hex-2-enyl]-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

155908-34-2

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Basic information

Product Name: Toluene-4-sulfonic acid (3S,8S,9S,10R,13R,14S,17R)-17-[(Z)-(1R,5R)-6-(tert-butyl-diphenyl-silanyloxy)-1,5-dimethyl-hex-2-enyl]-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
Synonyms:
CAS NO:155908-34-2
Molecular Formula:
Molecular Weight: 793.239
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 (3S,8S,9S,10R,13R,14S,17R)-17-[(Z)-(1R,5R)-6-(tert-butyl-diphenyl-silanyloxy)-1,5-dimethyl-hex-2-enyl]-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester(CAS DataBase Reference)
NIST Chemistry Reference: Toluene-4-sulfonic acid (3S,8S,9S,10R,13R,14S,17R)-17-[(Z)-(1R,5R)-6-(tert-butyl-diphenyl-silanyloxy)-1,5-dimethyl-hex-2-enyl]-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester(155908-34-2)
EPA Substance Registry System: Toluene-4-sulfonic acid (3S,8S,9S,10R,13R,14S,17R)-17-[(Z)-(1R,5R)-6-(tert-butyl-diphenyl-silanyloxy)-1,5-dimethyl-hex-2-enyl]-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester(155908-34-2)

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: 155908-34-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 155908-34-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,9,0 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 155908-34:
(8*1)+(7*5)+(6*5)+(5*9)+(4*0)+(3*8)+(2*3)+(1*4)=152
152 % 10 = 2
So 155908-34-2 is a valid CAS Registry Number.

155908-34-2Upstream product

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155908-34-2Relevant academic research and scientific papers

A Revisitation of the Clemmensen Reduction of Diosgenin. Characterization of Byproducts and their Use in the Preparation of (25R)-26-Hydroxysterols.

Ni, Yuan,Kim, Hong-Seok,Wilson, William K.,Kisic, Alemka,Schroepfer George J.

, p. 3687 - 3690 (2007/10/02)

Four major byproducts of the Clemmensen reduction of diosgenin have been isolated and identified: (25R)-17β-methyl-18-nor-17α-cholesta-5,13-diene-3β,26-diol, dihydrodiosgenin, (22E,25R)-cholesta-5,22-diene-3β,16β,26-triol, and its 22Z isomer.These byprodu

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