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(1R,3aR,4S,7aR)-1-(1,1-dimethylethoxy)octahydro-4-[2-(3-methoxyphenyl)ethyl]-7a-methyl-5H-inden-5-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

428439-26-3

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428439-26-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 428439-26-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,8,4,3 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 428439-26:
(8*4)+(7*2)+(6*8)+(5*4)+(4*3)+(3*9)+(2*2)+(1*6)=163
163 % 10 = 3
So 428439-26-3 is a valid CAS Registry Number.

428439-26-3Relevant academic research and scientific papers

A facile total synthesis of ent-17β-estradiol and structurally related analogues

Cai, Zu Yun,Covey, Douglas F.

, p. 351 - 359 (2008/02/04)

A facile six-step synthesis (15.2% yield) of ent-17β-estradiol from readily accessible precursors is described. The preparation of analogues with 2-alkyl substituents, double bond unsaturation in the C-ring, a cis C,D-ring fusion and modified substituents at C17 is also reported.

Cytoprotective polycyclic compounds

-

, (2008/06/13)

The present invention is generally directed to novel enantiomeric estrogen derivatives, some of which may have one or more unsaturated bonds in conjugation with the terminal or A-ring of the structure, which have cytoprotective activity. The present inven

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