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The chemical compound "(1R,2S)-2-Methyl-2-[(1R,3aS,5S,7aR)-7a-methyl-4-oxo-1-((Z)-(R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-5-yl]-5-oxo-cyclohexanecarbonitrile" is a complex, chiral molecule with a unique structure. It features a cyclohexane ring with a carbonitrile group at the 5-position, which is oxidized to a 5-oxo group. The molecule also contains an octahydro-inden-5-yl moiety, which is further substituted with a methyl group at the 7a-position and a 4-oxo group. The side chain is a (Z)-(R)-1,4,5-trimethyl-hex-2-enyl group, which is attached to the octahydro-inden-5-yl moiety. The entire structure is characterized by its stereochemistry, with specific configurations at the 1R, 2S, 3aS, 5S, and 7aR positions, indicating the three-dimensional arrangement of the atoms within the molecule. (1R,2S)-2-Methyl-2-[(1R,3aS,5S,7aR)-7a-methyl-4-oxo-1-((Z)-(R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-5-yl]-5-oxo-cyclohexanecarbonitrile is an example of the intricate and specific molecular structures found in organic chemistry, often associated with biological activity or complex chemical reactions.

99598-72-8

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99598-72-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99598-72-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,5,9 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99598-72:
(7*9)+(6*9)+(5*5)+(4*9)+(3*8)+(2*7)+(1*2)=218
218 % 10 = 8
So 99598-72-8 is a valid CAS Registry Number.

99598-72-8Relevant academic research and scientific papers

SYNTHESIS VIA ORGANOIRON COMPLEXES OF 9-(4-KETO-1-METHYLCYCLOHEX-2-ENYL)-8-KETO-DES-AB-ERGOST-22,23-ENE, A USEFUL CHIRAL INTERMEDIATE IN STEROID SYNTHESIS

Mincione, Enrico,Bovicelli, Paolo,Cerrini, Silvio,Lamba, Doriano

, p. 1607 - 1610 (2007/10/02)

The synthesis via organoiron complexes of 9-(4-keto-1-methylcyclohex-2-enyl)-8-keto-des-AB-ergost-22,23-ene, a useful chiral intermediate in steroid synthesis, is described.

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