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E5878

Sigma-Aldrich

Epitestosterone

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C19H28O2
CAS Number:
481-30-1
Molecular Weight:
288.42
MDL number:
MFCD00067129
UNSPSC Code:
12352200
PubChem Substance ID:
24894346

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

InChI key

MUMGGOZAMZWBJJ-KZYORJDKSA-N

Gene Information

rat ... Ar(24208)

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Biochem/physiol Actions

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

signalword

Warning

Hazard Classifications

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
011M1724V
050M1392
079K1250
068K1457
126K1450

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Lucyna Konieczna et al.
Talanta, 83(3), 804-814 (2010-12-15)
A sensitive and rapid liquid chromatographic (LC) method for the simultaneous determination of testosterone (T) and epitestosterone (E) in human urine samples has been developed and elaborated. The ratio of the both steroids (T/E) in human urine is a widely
Anders Rane et al.
British journal of clinical pharmacology, 74(1), 3-15 (2012-04-18)
The large variation in disposition known for most drugs is also true for anabolic androgenic steroids. Genetic factors are probably the single most important cause of this variation. Further, there are reasons to believe that there is a corresponding variation
Nawed I K Deshmukh et al.
Journal of pharmaceutical and biomedical analysis, 67-68, 154-158 (2012-05-09)
The feasibility of using hair analysis as a complimentary test in doping control has received increased attention in the scientific community. The aim of the study was to take a step forward to this goal and develop a method that
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
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
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