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The chemical compound "(6R,8R,9S,10R,13S,14S)-6-fluoro-10,13-dimethyl-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione" is a complex, chiral molecule with a unique structure. It features a cyclopenta[a]phenanthrene core, which is a type of polycyclic aromatic hydrocarbon. The molecule is characterized by its 10,13-dimethyl groups, which are located at specific positions on the ring structure, and a 6-fluoro substituent, indicating the presence of a fluorine atom at the 6th position. The compound also has a decahydro prefix, indicating the presence of ten hydrogen atoms attached to the carbon skeleton, which contributes to its decahydro structure. The numbering of the carbon atoms and the specification of the chiral centers (R and S) provide detailed information about the three-dimensional arrangement of the molecule. (6R,8R,9S,10R,13S,14S)-6-fluoro-10,13-dimethyl-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione is a specific stereoisomer, with the R and S configurations at various carbon centers dictating its spatial orientation. The presence of a 3,17-dione functional group suggests the presence of two carbonyl groups, which are likely part of a ring structure, contributing to the molecule's reactivity and potential applications in various chemical and pharmaceutical contexts.

1650-83-5

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1650-83-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1650-83-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,5 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1650-83:
(6*1)+(5*6)+(4*5)+(3*0)+(2*8)+(1*3)=75
75 % 10 = 5
So 1650-83-5 is a valid CAS Registry Number.

1650-83-5Downstream Products

1650-83-5Relevant academic research and scientific papers

4-Chloromercurioandrosta-4,6-diene-3,17-dione: Preparation, X-Ray Structure Determination, and Potential Utility

Drew, Michael G. B.,Mann, John,Pietrzak, Barbara

, p. 1049 - 1054 (2007/10/02)

The novel steroid 4-chloromercurioandrosta-4,6-diene-3,17-dione (2) was obtained as a major side-product during conversions of 6β-bromoandrost-4-ene-3,17-dione (1b) into its 6β-fluoro derivative (1a) using HF(pyridine)n and mercuric oxide.Compound (2) was successfully converted into various 4-substituted steroids (using standard vinyl-mercury methodology), including the disteroidal mercury compound (3c).Crystals of the acetone solvate of (2), 2(HgClC19H40O2)*acetone, were monoclinic, space group P21, Z=2 with dimensions a=7.295(8), b=24.12(1), c=12.215(12) Angstroem, β=108.0(1) deg.The two independent molecules have equivalent structures with the mercury atoms strongly bound to a chlorine atom and to carbon atom C(4) of the steroid.The acetone molecule forms a weak bridge between the two mercury atoms.

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