Epitestosterone
Synonym(s):cis-Testosterone;17α-Hydroxy-4-androsten-3-one;4-Androsten-17α-ol-3-one;Epitestosterone;Isotestosterone
- CAS NO.：481-30-1
- Empirical Formula: C19H28O2
- Molecular Weight: 288.42
- MDL number: MFCD00067129
- EINECS: 641-984-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:21:33
What is Epitestosterone?
Chemical properties
Off-White to Pale Yellow Solid
The Uses of Epitestosterone
Testosterone and epitestosterone are endogenous steroids that differ in the configuration of the hydroxyl-bearing carbon at C-17. epitestosterone is largely unclear.
Definition
ChEBI: An androstanoid that is the C-17 epimer of testosterone.
General Description
Epitestosterone is a stereoisomer of the hormone testosterone. Epitestosterone is often used to illicitly mask high testosterone levels in athletic drug tests. This Certified Snap-N-Spike? Solution is applicable for use in LC/MS or GC/MS applications for sports testing, urine drug testing or forensic analysis.
Properties of Epitestosterone
| Melting point: | 218-220?C |
| Boiling point: | 432.9±45.0 °C(Predicted) |
| Density | 1.12±0.1 g/cm3(Predicted) |
| Flash point: | 2℃ |
| storage temp. | Refrigerator |
| solubility | Chloroform (Slightly), Ethanol (Slightly), Methanol (Slightly) |
| pka | 15.06±0.60(Predicted) |
| form | Solid |
| color | White to Pale Yellow |
| CAS DataBase Reference | 481-30-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 17Alpha-hydroxyandrost-4-en-3-one(481-30-1) |
| EPA Substance Registry System | Androst-4-en-3-one, 17-hydroxy-, (17.alpha.)- (481-30-1) |
Safety information for Epitestosterone
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P337+P313:IF eye irritation persists: Get medical advice/attention. P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for Epitestosterone
| InChIKey | MUMGGOZAMZWBJJ-KZYORJDKSA-N |
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