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Rac-17-hydroxy-(9β,17βH)-19-nor-pregn-5(10)-en-20-yn-3-one is a complex steroidal compound with a molecular formula of C21H26O3. It is a derivative of the pregnane family, characterized by the presence of a 19-nor structure, which means it lacks one carbon atom at the 19th position compared to the standard pregnane structure. The compound features a 17-hydroxy group, indicating the presence of a hydroxyl group at the 17th carbon position, and a 20-yn-3-one functional group, which includes a triple bond at the 20th carbon and a ketone group at the 3rd carbon. This racemic mixture implies that it consists of equal amounts of both the R and S enantiomers. The compound's structure and properties make it a potential candidate for pharmaceutical applications, particularly in the development of drugs targeting hormonal systems.

5541-86-6

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5541-86-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5541-86-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,4 and 1 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5541-86:
(6*5)+(5*5)+(4*4)+(3*1)+(2*8)+(1*6)=96
96 % 10 = 6
So 5541-86-6 is a valid CAS Registry Number.

5541-86-6Relevant academic research and scientific papers

Water-soluble steroid compounds

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, (2008/06/13)

Beta-cyclodextrin forms a water-soluble complex or inclusion compound with steroid compounds having a molecular structure smaller than the interior cavity in the doughnut-shaped molecular structure of beta-cyclodextrin. The resulting inclusion compounds can be used for a variety of applications including aqueous topical ophthalmic preparations and topical dermatological ointments.

Novel N-nitroso compounds, compositions containing such compounds, processes for their preparation and methods of treatment therewith, and novel intermediates

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, (2008/06/13)

This invention relates to novel N-halogenoalkyl-N-nitroso carbamates and N 4 halogenalkyl-N 4 -nitroso allophanates of steroid compounds, having an anti-tumor activity, and to the preparation thereof. The invention is also concerned with pharmaceutical compositions containing the said compounds, and methods of treatment therewith.

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