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CAS RN: 434-03-7 | Product Number: E0040


Purity: >98.0%(T)(HPLC)
  • 17α-Ethynyltestosterone
4   6  
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Product Number E0040
Purity / Analysis Method >98.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__2__1H__2__8O__2 = 312.45  
Physical State (20 deg.C) Solid
CAS RN 434-03-7
Reaxys Registry Number 1889895
PubChem Substance ID 87569353
SDBS (AIST Spectral DB) 11107
Merck Index (14) 3741
MDL Number


Appearance White to Light yellow to Light orange powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Neutralization titration) min. 98.0 %
Specific rotation [a]20/D +29.0 to +34.0 deg(C=1, Pyridine)
Solubility in Pyridine almost transparency
Properties (reference)
Melting Point 272 °C
Specific Rotation 33° (C=1,Pyridine)
Solubility in water Insoluble
Solubility (slightly sol. in) Acetone,Chloroform,Alcohol,Ether
Pictogram Pictogram
Signal Word Warning
Hazard Statements H361 : Suspected of damaging fertility or the unborn child.
H351 : Suspected of causing cancer.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P202 : Do not handle until all safety precautions have been read and understood.
P201 : Obtain special instructions before use.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P308 + P313 : IF exposed or concerned: Get medical advice/ attention.
P405 : Store locked up.
Related Laws:
EC Number 207-096-5
RTECS# TU5570250
Transport Information:
HS Number 2937900000
PubMed Literature

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