Cas 133268-42-5,Toluene-4-sulfonic acid (7R,8R,9S,13S,14S,17S)-17-(tert-butyl-dimethyl-silanyloxy)-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-7-ylmethyl ester

133268-42-5

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Basic information

Product Name: Toluene-4-sulfonic acid (7R,8R,9S,13S,14S,17S)-17-(tert-butyl-dimethyl-silanyloxy)-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-7-ylmethyl ester
Synonyms: Toluene-4-sulfonic acid (7R,8R,9S,13S,14S,17S)-17-(tert-butyl-dimethyl-silanyloxy)-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-7-ylmethyl ester
CAS NO:133268-42-5
Molecular Formula:
Molecular Weight: 584.893
EINECS: N/A
Product Categories: N/A
Mol File: 133268-42-5.mol
Article Data: 1

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 (7R,8R,9S,13S,14S,17S)-17-(tert-butyl-dimethyl-silanyloxy)-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-7-ylmethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: Toluene-4-sulfonic acid (7R,8R,9S,13S,14S,17S)-17-(tert-butyl-dimethyl-silanyloxy)-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-7-ylmethyl ester(133268-42-5)
EPA Substance Registry System: Toluene-4-sulfonic acid (7R,8R,9S,13S,14S,17S)-17-(tert-butyl-dimethyl-silanyloxy)-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-7-ylmethyl ester(133268-42-5)

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: 133268-42-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 133268-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,2,6 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 133268-42:
(8*1)+(7*3)+(6*3)+(5*2)+(4*6)+(3*8)+(2*4)+(1*2)=115
115 % 10 = 5
So 133268-42-5 is a valid CAS Registry Number.

133268-42-5Upstream product

133268-42-5Downstream Products

15506-01-1 3-methoxy-7α-methylestra-1,3,5(10)-trien-17β-ol

133268-42-5Relevant articles and documents

Stereocontrolled derivatization of 3-methoxyestra-1,3,5(10), n-tetraenes via lewis acid promoted prins reactions, (n=7; 8(9))

Kuenzer, Hermann,Sauer, Gerhard,Wiechert, Rudolf

, p. 743 - 746 (2007/10/02)

Steroidal olefins 1 and 3 undergo dimethylaluminum chloride-mediated Prins reactions with paraformaldehyde to furnish homoallylic alcohols 4 and 16 as major products. These ene reaction-type intermediates are converted into 6 and 17 by hydroxyl group-assi

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