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Merck
CN

E5878

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
UNSPSC Code:
12352200
PubChem Substance ID:
24894346
MDL number:
MFCD00067129

Key Documents

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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)

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

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

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

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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
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
Yanwei Zhan et al.
Bioanalysis, 3(1), 23-30 (2010-12-24)
A thin sheet of polydimethylsilosane membrane was used as an extraction phase for solid-phase microextraction. Compared with fiber or rod solid-phase microextraction geometries, the thin film exhibited much higher extraction capacity without sacrificing extraction time due to its higher area-to-volume
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
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