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- CharacterThis product is a kind of white or yellowish quality powder or amorphous loose solid, with moisture induction, the color becomes darker when the light.
This product is easily soluble in methanol, ethanol or trichloromethane, slightly soluble in water or ether.
- Fusing point
The melting point of this product (general 0612) is 143~147°C.
- Identify
. Take about 0.5mg of this product, add 1mL of water to dissolve it, and add 1 drop of bismuth potassium iodide test solution to generate orange red precipitate.
. take about 1mg of this product, add about 1mg of color-changing acid, add 5 to 10 drops of sulfuric acid, and heat it in a water bath of 50 to 60°C for a few minutes, that is, purplish red.
. take the content of the test product solution under the measurement, according to UV-visible spectrophotometry (general rule 0401) determination, at 288nm wavelength has the maximum absorption.
. the infrared light absorption pattern of this product should be consistent with the control pattern (spectrum set 420 figure).
- Drying loss
Take this product, phosphorus pentoxide as desiccant, dry under pressure to constant weight, weight loss shall not exceed 2.0% (general rule 0831).
- Content determination
According to high performance liquid chromatography (general rule 0512) determination.
Test solution
Take about 20mg of this product, accurately weigh it, place it in a 100mL bottle, add 5mL methanol, shake to dissolve, dilute it with water to the scale, shake well, accurately measure 2mL, place it in a 20mL bottle, dilute it with water to the scale, shake well.
Reference solution
Take about 20mg of the reference product of harringtonine, weigh it accurately, place it in a 100mL measuring bottle, add 5mL methanol, shake to dissolve, dilute it with water to the scale, shake well, measure 2mL precisely, place it in a 20mL measuring bottle, dilute it with water to the scale, shake well.
Measurement method
The test solution and the control solution were precisely measured, injected into the liquid chromatograph respectively, and the chromatogram was recorded. The peak area is calculated by external standard method.
- Category
Antitumor drugs.
- Lay by
Keep out of light, seal and store in a cool place.
- Preparation
Harringtonine injection.
- Security information
- In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
- Take off immediately all contaminated clothing.
- Wear suitable protective clothing, gloves and eye/face protection.
- In case of accident or if you feel unwell, seek medical advice immediately (show the lable where possible).
- Very toxic by inhalation, in contact with skin and if swallowed.
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