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Merck

E5878

Sigma-Aldrich

Epitestosteron

Synonym(e):

17α-Hydroxy-4-androsten-3-one, 4-Androsten-17α-ol-3-one, cis-Testosterone, Isotestosterone

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About This Item

Empirische Formel (Hill-System):
C19H28O2
CAS-Nummer:
Molekulargewicht:
288.42
MDL-Nummer:
UNSPSC-Code:
12352200
PubChem Substanz-ID:

drug control

Home Office Schedule 4.2

SMILES String

[H][C@@]12CCC3=CC(=O)CC[C@]3(C)[C@@]1([H])CC[C@]4(C)[C@H](O)CC[C@@]24[H]

InChI

1S/C19H28O2/c1-18-9-7-13(20)11-12(18)3-4-14-15-5-6-17(21)19(15,2)10-8-16(14)18/h11,14-17,21H,3-10H2,1-2H3/t14-,15-,16-,17+,18-,19-/m0/s1

InChIKey

MUMGGOZAMZWBJJ-KZYORJDKSA-N

Angaben zum Gen

rat ... Ar(24208)

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Biochem./physiol. Wirkung

Epitestosterone is a naturally occurring steroid, an inactive epimer of testosterone.

Signalwort

Warning

Gefahreneinstufungen

Acute Tox. 4 Oral - Aquatic Acute 1 - Carc. 2 - Repr. 2

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves


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Andreu Fabregat et al.
Steroids, 76(12), 1367-1376 (2011-07-26)
The screening of testosterone misuse in the doping control field is normally performed by the measurement of the ratio between the concentrations of testosterone and epitestosterone excreted as glucuronides (T/E). Despite the satisfactory results obtained with this approach, the measurement
Ute Mareck et al.
Drug testing and analysis, 2(11-12), 637-642 (2011-01-05)
The testosterone/epitestosterone (T/E) ratio was implemented as an indirect parameter for the detection of testosterone administration with an empirically established threshold value at T/E = 6. In 2005, the T/E reporting threshold was lowered from six to four. Between 2005
Ruth I Wood et al.
Hormones and behavior, 61(1), 147-155 (2011-10-11)
Testosterone and other anabolic-androgenic steroids enhance athletic performance in men and women. As a result, exogenous androgen is banned from most competitive sports. However, due to variability in endogenous secretion, and similarities with exogenous testosterone, it has been challenging to
D H van de Kerkhof et al.
Journal of analytical toxicology, 24(2), 102-115 (2000-03-25)
The ratio of the concentration of testosterone glucuronide to the concentration of epitestosterone glucuronide (T/E ratio) as determined in urine is the most frequently used method to prove testosterone abuse by athletes. A T/E ratio higher than 6 has been
Guro Forsdahl et al.
Drug testing and analysis, 3(11-12), 814-819 (2011-11-22)
In the present study, the content of a number of black market testosterone products collected in Austria has been analyzed. Additionally, (13) C/(12) C ratios were measured for testosterone in the products after cleavage of the testosterone ester. The aim

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