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Δ9-progesterone, also known as 9-dehydroprogesterone or 9-hydroxyprogesterone, is a naturally occurring steroid hormone that is a precursor to other hormones such as cortisol and aldosterone. It plays a crucial role in the body's hormonal balance and is involved in the regulation of the menstrual cycle, pregnancy, and embryonic development. Δ9-progesterone is synthesized from pregnenolone through the action of the enzyme Δ5-3-ketosteroid isomerase, which converts pregnenolone to progesterone. Δ9-progesterone is also used in medical applications, such as hormone replacement therapy and in the treatment of certain conditions related to hormonal imbalances. It is important to note that Δ9-progesterone is different from the commonly known progesterone, which is a key hormone in the female reproductive system.

4085-88-5

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4085-88-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4085-88-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,8 and 5 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4085-88:
(6*4)+(5*0)+(4*8)+(3*5)+(2*8)+(1*8)=95
95 % 10 = 5
So 4085-88-5 is a valid CAS Registry Number.

4085-88-5Downstream Products

4085-88-5Relevant academic research and scientific papers

A Stereoselective Total Synthesis of 11-Oxoprogesterone, a Precursor to the Corticosteroids, via an Intramolecular Cycloaddition Reaction

Nemoto, Hideo,Nagai, Mitsuo,Fukumoto, Keiichiro,Kametani, Tetsuji

, p. 1621 - 1626 (2007/10/02)

A stereoselective synthesis of 11-oxoprogesterone (pregn-4-ene-3,11,20-trione) (21) has been achieved via 19-norpregna-4,9(10)-diene-3,20-dione (14) and pregna-4,9(10)-diene-3,20-dione (18).The compound (14) was derived from the des-A,B-aromatic steroid (6), which was, in turn, constructed in a stereoselective manner via (3) by the thermolysis of the olefinic benzocyclobutene (2).

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