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CAS RN: 113-38-2 | Product Number: E1344

Estradiol Dipropionate

Purity: >98.0%(GC)
  • 17β-Estradiol 3,17-Dipropionate
  • (17β)-Estra-1(10),2,4-triene-3,17-diyl Dipropanoate
  • 1,3,5(10)-Estratriene-3,17β-diol Dipropionate
  • 3,17β-Dihydroxy-1,3,5(10)-estratriene 3,17-Dipropionate
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Product Number E1344
Purity / Analysis Method >98.0%(GC)
Molecular Formula / Molecular Weight C__2__4H__3__2O__4 = 384.52 
Physical State (20 deg.C) Solid
CAS RN 113-38-2
Reaxys Registry Number 3223915
PubChem Substance ID 354335798
Merck Index (14) 3703
MDL Number


Appearance White to Almost white powder to crystal
Purity(GC) min. 98.0 %
Melting point 105.0 to 109.0 °C
Specific rotation [a]20/D +38.0 to +42.0 deg(C=1, dioxane)
Properties (reference)
Melting Point 107 °C
Specific Rotation 40° (C=1,dioxane)
Maximum Absorption Wavelength 275(MeOH) nm
Pictogram Pictogram
Signal Word Warning
Hazard Statements 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 204-026-5
RTECS# KG4725000
Transport Information:
HS Number 2937290000
Estradiol Dipropionate: A Long-Acting Fatty Acid Ester of β-Estradiol

Estradiol dipropionate is one of the β-estradiol [E0025] esters. Like the other β-estradiol esters, estradiol dipropionate is also a long-acting β-estradiol. Compared with free β-estradiol, β-estradiol fatty acid esters are metabolized more slowly and thereby have more potent estrogenic properties.


PubMed Literature


Documents (Note: Some products will not have analytical charts available.)
Safety Data Sheet (SDS)
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C of A & Other Certificates
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Analytical Charts
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