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15375-19-6

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15375-19-6 Usage

Uses

(5α)-Androst-9(11)-ene-3,17-dione is the impurity of Testosterone (T155000), which is the principal hormone of the testes, produced by the interstitial cells. Testosterone is the major circulating androgen; converted by 5α-reductase in androgen-dependent target tissues to 5α-dehydrotestosterone that is required for normal male sexual differentiation.

Check Digit Verification of cas no

The CAS Registry Mumber 15375-19-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,3,7 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 15375-19:
(7*1)+(6*5)+(5*3)+(4*7)+(3*5)+(2*1)+(1*9)=106
106 % 10 = 6
So 15375-19-6 is a valid CAS Registry Number.

15375-19-6Downstream Products

15375-19-6Relevant articles and documents

A direct radioimmunoassay for 5α-androstane-3α,17β-diol 17-glucuronide

Rao, Pemmaraju N.,Rodriguez, Angela M.,Moore, Perry H.,Cessac, James W.

, p. 216 - 221 (1992)

Synthesis of the 11α-hemiglutaryl derivative of 5α-androstane-3α,17β-diol 17-glucuronide (androstanediol-17G) starting from androsta-4,9(11)-diene-3,17-dione through a 10-step sequence and the preparation of its bovine serum albumin conjugate is described.By using this conjugate, antiserum was raised in rabbits which proved to be very specific for androstanediol-17G.A direct radioimmunoassay using a double antibody procedure is described for the measurement of androstanediol-17G from plasma without prior chromatography.Keywords: direct radioimmunoassay; androstanediol-17glucuronide; tritium as tracer

Microbiological Transformations Part 7. Microbiological Transformations of A-nor- and A-homo-5α-androstane derivatives with the fungus Cunninghamella elegans.

Crabb, Trevor A.,Ratcliffe, Norman M.

, p. 650 - 669 (2007/10/02)

The microbiological transformation of 17β-hydroxy-A-nor-5α-androstan-2-one, 17β-hydroxy-A-homo-5α-androstan-3-one and 5α-androstan-3,17-dione, by Cunninghamella elegans is dominated by 9α-hydroxylation whereas 17β-hydroxy-5α-androstan-3-one undergoes predominant 7α-monohydroxylation. 9α-Hydroxy-5α-androstane-3,17-dione and 9α-hydroxy-A-homo-5α-androstane-3,17-dione were synthesised by a sequence involving 11α-hydroxylation of the corresponding 3,17-diones by Aspergillus ochraceous.

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