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CAS RN: 16320-04-0 | Product Number: G0436


Purity: >98.0%(T)
1   ≥20 

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Product Number G0436
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__2__1H__2__4O__2 = 308.42  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Condition to Avoid Heat Sensitive
CAS RN 16320-04-0
Reaxys Registry Number 5610726
PubChem Substance ID 253661994
Merck Index (14) 4415
MDL Number


Appearance Light yellow to Yellow powder to crystal
Purity(GC) min. 95.0 %
Purity(Neutralization titration) min. 98.0 %
Melting point 150.0 to 154.0 °C
Specific rotation [a]20/D +83.0 to +86.0 deg(C=0.4, EtOH)
Properties (reference)
Melting Point 152 °C
Specific Rotation 85° (C=0.4,EtOH)
Solubility (very slightly) Ethanol
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:
RTECS# JF7964000
Transport Information:
HS Number 2937230000
Gestrinone: A Steroid Hormone with Anti-Estrogenic and Anti-Progesterone Properties

Gestrinone is a synthetic steroid hormone with anti-estrogenic and anti-progesterone properties. It is used to treat endometriosis, shrink uterine fibroids and reduce menorrhagia. Besides, it is investigated for use as emergency contraceptive. Also, due to its anabolic effects, it was included in the banned list of performance enhanced drugs in sport. Therefore, the effective detection of gestrinone and its metabolites in human urine has been studied. (The product is for research purpose only.)


PubMed Literature

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