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(1S,3aS,3bR,10aR,10bS,12aS)-10a,12a-Dimethyl-1-(4-nitro-phenylethynyl)-2,3,3a,3b,4,5,10,10a,10b,11,12,12a-dodecahydro-1H-7-oxa-8-aza-dicyclopenta[a,h]phenanthren-1-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

143137-27-3

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143137-27-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143137-27-3 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, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 143137-27:
(8*1)+(7*4)+(6*3)+(5*1)+(4*3)+(3*7)+(2*2)+(1*7)=103
103 % 10 = 3
So 143137-27-3 is a valid CAS Registry Number.

143137-27-3Downstream Products

143137-27-3Relevant 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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