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CAS RN: 313-06-4 | Product Number: E0875

β-Estradiol 17-Cypionate

Purity: >98.0%(GC)
  • β-Estradiol 17-Cyclopentylpropionate
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Product Number E0875
Purity / Analysis Method >98.0%(GC)
Molecular Formula / Molecular Weight C__2__6H__3__6O__3 = 396.57  
Physical State (20 deg.C) Solid
CAS RN 313-06-4
Reaxys Registry Number 3171075
PubChem Substance ID 135727026
Merck Index (14) 3703
MDL Number


Appearance White to Almost white powder to crystal
Purity(GC) min. 98.0 %
Melting point 150.0 to 154.0 °C
Specific rotation [a]20/D +40.0 to +43.0 deg(C=1, CHCL3)
Properties (reference)
Melting Point 152 °C
Specific Rotation 42° (C=1,CHCl3)
Solubility in water Insoluble
Degree of solubility in water 3.6 mg/l   27 °C
Solubility (very soluble in) Alcohol
Solubility (soluble in) Benzene,Acetone,Ether,Chloroform
Pictogram Pictogram
Signal Word Warning
Hazard Statements H361 : Suspected of damaging fertility or the unborn child.
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 206-237-8
RTECS# KG4600000
Transport Information:
HS Number 2937230000
Pharmacology Study


  • Non-genomic mechanism of 17β-estradiol-induced inhibition of contraction in mammalian vascular smooth muscle
    • T. Kitazawa, E. Hamada, K. Kitazawa, A. K. M. Gaznabi, J. Physiol. 1997, 499, 497.
  • Actions of an estradiol-17-fatty acid ester in estrogen target tissues of the rat: comparison with other C-17 metabolites and a pharmacological C-17 ester

PubMed Literature

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