ChemicalBook > CAS DataBase List > Epitestosterone

Epitestosterone

Product Name
Epitestosterone
CAS No.
481-30-1
Chemical Name
Epitestosterone
Synonyms
epi-Testosterone (CRM);17ALPHA-HYDROXY-4-ANDROSTEN-3-ONE;Epitesterone;ISOTESTOSTERONE;EPITESTOSTERONE;CIS-TESTOSTERONE;17a-testosterone;Testosterone, cis-;17-epitestosterone;17ALPHA-TESTOSTERONE
CBNumber
CB4215857
Molecular Formula
C19H28O2
Formula Weight
288.42
MOL File
481-30-1.mol
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Epitestosterone Property

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)
form 
Solid
pka
15.06±0.60(Predicted)
color 
White to Pale Yellow
InChIKey
MUMGGOZAMZWBJJ-KZYORJDKSA-N
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)
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Safety

Hazard Codes 
Xn,F
Risk Statements 
68-36-20/21/22-11
Safety Statements 
22-36-36/37-16
RIDADR 
UN 1648 3 / PGII
WGK Germany 
3
RTECS 
BV8395600
HS Code 
2937290000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H319Causes serious eye irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P337+P313IF eye irritation persists: Get medical advice/attention.

P403+P235Store in a well-ventilated place. Keep cool.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
E-058
Product name
Epitestosterone solution
Purity
1.0?mg/mL in acetonitrile, ampule of 1?mL, certified reference material, Cerilliant?
Packaging
1mL
Price
$58.2
Updated
2025/07/31
Sigma-Aldrich
Product number
1646031
Product name
Testosterone Related Compound C
Purity
United States Pharmacopeia (USP) Reference Standard
Packaging
15mg
Price
$1360
Updated
2025/07/31
Cayman Chemical
Product number
15875
Product name
epi-Testosterone
Purity
≥98%
Packaging
5mg
Price
$186
Updated
2024/03/01
Cayman Chemical
Product number
15875
Product name
epi-Testosterone
Packaging
1mg
Price
$48
Updated
2024/03/01
Cayman Chemical
Product number
ISO60160
Product name
epi-Testosterone (CRM)
Packaging
1mg
Price
$49
Updated
2024/03/01
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Epitestosterone Chemical Properties,Usage,Production

Chemical Properties

Off-White to Pale Yellow Solid

Uses

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.

Biological Activity

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

Epitestosterone Preparation Products And Raw materials

Raw materials

Preparation Products

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Epitestosterone Suppliers

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481-30-1, EpitestosteroneRelated Search:

4'-Hydroxyacetophenone Clethodim CHLOROPHOSPHONAZO III Zearalenone Gestrinone Androstenedione Testosterone propionate 6-Methyl-5-hepten-2-one 2'-Hydroxyacetophenone Quinocetone Testosterone undecanoate 17-Methyltestosterone REICHSTEIN'S SUBSTANCE S 21-ACETATE CORTEXOLONE MEDROXYPROGESTERONE CORTISONE Hydrocortisone acetate Testosterone

  • ISOTESTOSTERONE
  • DELTA-ANDROSTEN-17A-OL-3-ONE
  • CIS-TESTOSTERONE
  • EPITESTOSTERONE
  • 4-ANDROSTEN-17ALPHA-OL-3-ONE
  • Androst-4-en-3-one, 17alpha-hydroxy-
  • Androst-4-en-3-one, 17-hydroxy-, (17alpha)-
  • Epitesterone
  • Testosterone, cis-
  • 17-Hydroxy-5-androst-1-en-3-one
  • EPITESTOSTERONE, 98% MIN
  • (8R,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
  • 17α-Hydroxy-4-androsten-3-one, 4-Androsten-17α-ol-3-one, cis-Testosterone, Isotestosterone
  • Epitestosterone,17α-Hydroxy-4-androsten-3-one, 4-Androsten-17α-ol-3-one, cis-Testosterone, Isotestosterone
  • Acetonitrile (test Epitestosterone 1.0 mg/mL)
  • Androst-4-en-3-one,17-hydroxy-, (17a)-
  • Epitestosterone solution
  • Testosterone Related Compound C
  • Testosterone Impurity 3(Testosterone EP Impurity C)
  • Testosterone EP Impurity C
  • Testosterone BP Impurity C
  • epi-Testosterone (CRM)
  • 17-hydroxy-androst-4-en-3-one
  • 17-epitestosterone
  • 17ALPHA-TESTOSTERONE
  • 17ALPHA-HYDROXY-4-ANDROSTEN-3-ONE
  • (17-alpha)-17-hydroxyandrost-4-en-3-one
  • (17-alpha)-androst-4-en-3-on
  • (8R,10R,13S,17R)-17-Hydroxy-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one
  • 17-alpha-hydroxy-androst-4-en-3-on
  • 17-alpha-hydroxyandrost-4-en-3-one
  • 17alpha-Hydroxyandrost-4-en-3-one
  • 17a-testosterone
  • (8R,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
  • 17-epi-Testosterone solution in methanol, 100ppm
  • 17α-Hydroxyandrost-4-en-3-one
  • Testosterone Related Compound C (17alpha-Hydroxyandrost-4-en-3-one) (1646031)
  • Testosterone USP Related Compound C
  • 17α-hydroxyandrost-4-en-3-one (epitestosterone)
  • Testosterone Impurity C
  • 4-ANDROSTEN-17α-OL-3-ONE
  • Epitestosterone in Methanol
  • Epitestosterone-[13C3] in Methanol
  • Epitestosterone in Acetonitrile
  • 17α-Hydroxy-4-Androsten-3-One
  • 17alpha-Hydroxyandrost-4-en-3-one (Epitestosterone)
  • Epitestosterone 1.0 mg/ml in Acetonitrile
  • 1,16,16,17-D4-Epitestosterone
  • 481-30-1
  • Steroid Hormones
  • Hormones
  • Cytokines, Growth Factors and Hormones
  • Cell Signaling and Neuroscience
  • Cell Biology
  • BioChemical
  • Androgen
  • Pharmaceutical Intermediates
  • Intermediates & Fine Chemicals