Cas 143137-19-3,(8R,9S,10R,13S,14S,17S)-17-Hydroxy-10,13-dimethyl-17-(4-nitro-phenylethynyl)-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one

143137-19-3

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Basic information

Product Name: (8R,9S,10R,13S,14S,17S)-17-Hydroxy-10,13-dimethyl-17-(4-nitro-phenylethynyl)-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one
Synonyms: (8R,9S,10R,13S,14S,17S)-17-Hydroxy-10,13-dimethyl-17-(4-nitro-phenylethynyl)-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one
CAS NO:143137-19-3
Molecular Formula:
Molecular Weight: 433.547
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: (8R,9S,10R,13S,14S,17S)-17-Hydroxy-10,13-dimethyl-17-(4-nitro-phenylethynyl)-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one(CAS DataBase Reference)
NIST Chemistry Reference: (8R,9S,10R,13S,14S,17S)-17-Hydroxy-10,13-dimethyl-17-(4-nitro-phenylethynyl)-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one(143137-19-3)
EPA Substance Registry System: (8R,9S,10R,13S,14S,17S)-17-Hydroxy-10,13-dimethyl-17-(4-nitro-phenylethynyl)-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one(143137-19-3)

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: 143137-19-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 143137-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,1,3 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 143137-19:
(8*1)+(7*4)+(6*3)+(5*1)+(4*3)+(3*7)+(2*1)+(1*9)=103
103 % 10 = 3
So 143137-19-3 is a valid CAS Registry Number.

143137-19-3Upstream product

434-03-7 levonorgestrel

143137-19-3Downstream Products

143137-19-3Relevant academic research and scientific papers

Synthesis of 21-aryl and heteroaryl ethisterones and the corresponding A-ring substituted [2,3-d]isoxazoles

Kumar,Todaro

, p. 523 - 525 (2007/10/02)

Palladium(0) catalyzed coupling reaction of ethisterone [6; (17α)-17-hydroxypregn-4-en-20-yn-3-one] with aromatic/heteroaromatic halides gave C-21 substituted derivatives 7. Hydroxymethylation of the latter compounds followed by treatment with hydroxylami

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