Estrone 99+%

: Thermo Fisher Scientific

Estrone 99+%

: Thermo Fisher Scientific

:53-16-7
:C₁₈H₂₂O₂
:MFCD00003620
:258…261 °C (dec.)
:Stue temperatur
:200-164-5

:53-16-7
:C₁₈H₂₂O₂
:MFCD00003620
:258…261 °C (dec.)
:Stue temperatur
:200-164-5

ACRO11784

Appearance:
White to almost white Powder or crystals
Infrared spectrum:
Conforms
Melting point:
258 to 261 °C
Loss on drying:
≤0.5 % (105 °C, 3 hrs)
Sulfated ash:
≤0.5 %
Additional info:
limit of equilenin and equilin: passes test
HPLC:
≥99.0 % (on dried substance)
Specific optical rotation:
+158° to +165° (20 °C, 589 nm) (c=1, dioxane)
Clarity of solution:
passes test
Silicon dioxide (SiO2):
≤0.005 %
Sulfur compounds (as SO4):
≤0.004 %
Insoluble matter:
≤0.01 %

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