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CAS RN: 52-76-6 | Product Number: L0246


Purity: >98.0%(HPLC)
  • 19-Nor-4-pregnen-20-yn-17β-ol
2   10  

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Product Number L0246
Purity / Analysis Method >98.0%(HPLC)
Molecular Formula / Molecular Weight C__2__0H__2__8O = 284.44  
Physical State (20 deg.C) Solid
CAS RN 52-76-6
Reaxys Registry Number 3147701
PubChem Substance ID 135727369
Merck Index (14) 5629
MDL Number


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Neutralization titration) min. 97.0 %
Melting point 161.0 to 165.0 °C
Specific rotation [a]20/D -9.5 to -11.0 deg(C=3.6, EtOH(96vol%))
Properties (reference)
Melting Point 163 °C
Specific Rotation -10° (C=3.6,EtOH(96vol%))
Solubility (soluble in) Chloroform,Ethanol
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 200-151-4
RTECS# RC8964300
Transport Information:
HS Number 2937230000
PubMed Literature

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