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A-nor-5β-cholestan-3-one is a steroidal ketone derived from the cholesterol molecule. It is characterized by the absence of the A-ring (the first carbon ring) and the presence of a ketone group at the C-3 position. A-nor-5β-cholestan-3-one is a truncated version of the cholesterol molecule, with the loss of the A-ring resulting in a more simplified structure. It is used in various chemical and pharmaceutical applications, including the synthesis of other steroids and as an intermediate in the production of certain drugs. The 5β configuration indicates the orientation of the hydroxyl group at the C-5 position, which is crucial for its chemical properties and potential biological activities.

6908-01-6

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6908-01-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6908-01-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,0 and 8 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6908-01:
(6*6)+(5*9)+(4*0)+(3*8)+(2*0)+(1*1)=106
106 % 10 = 6
So 6908-01-6 is a valid CAS Registry Number.

6908-01-6Downstream Products

6908-01-6Relevant academic research and scientific papers

Functionalisation of Saturated Hydrocarbons. Part 13. Futher Studies on the Gif Oxidation of Cholestane Derivatives

Barton, Derek H. R.,Boivin, Jean,Lelandais, Patrick

, p. 463 - 468 (2007/10/02)

The oxidation of cholest-4-en-3-one by the GifIV system to give progesterone has been studied over the temperature range -40 to +80 deg C.The optimum temperature is ca. +20 deg C.Below 0 deg C the yield of progesterone diminishes and the formation of a new compound, 25-hydroxycholest-4-en-3-one, is observed.The latter has been synthesised from lithocholic acid.An unexpected major product of the oxidation was A-nor-5β-cholestan-3-one, identified by comparison with an authentic sample.

DESULFURATION OF STEROIDAL THIANS

Kasal, Alexander

, p. 3148 - 3159 (2007/10/02)

The reaction of 4-thia-5-cholesten-3-one (X) with Raney nickel in protic medium affords alcohol III, while A-nor-5β-cholestan-3-one (XXIII), A-bisnor-2,5-secocholestane (XXXI) and the esters of the type XVIII are formed as by-products.When aprotic medium

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