High performance liquid chromatography analysis method of sirolimus
A high-performance liquid chromatography and analysis method technology, applied in the field of drug analysis, can solve the problems of poor stability of experimental results and large data deviation, and achieve the effects of good stability and strong data reproducibility
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Embodiment 1
[0026] Determination of sirolimus raw material content and impurities.
[0027] High performance liquid chromatography conditions:
[0028] Chromatographic column: Zorbax Eclipseplus C18, size 4.6mm×150mm, 3μm;
[0029] Mobile phase ratio is: mobile phase A: mobile phase B = 20:80 (volume ratio), mobile phase A is composed of phosphoric acid: sodium heptanesulfonate: water = 0.1:0.01:1 (mass ratio), mobile phase Consists of methanol: acetonitrile=15:85 (volume ratio) in B;
[0030] The detection wavelength is 277nm;
[0031] The flow rate is 1.5ml / min;
[0032] Column temperature 30°C;
[0033] Injection volume 20μL;
[0034] Diluent: 0.1% phosphoric acid solution: acetonitrile = 50:70 (volume ratio).
[0035] Experimental steps:
[0036] Solution preparation:
[0037] Take about 25 mg of sirolimus raw material, weigh it accurately, place it in a 25ml volumetric flask, add an appropriate amount of diluent to dissolve and dilute to the mark, shake well, and use it as th...
Embodiment 2
[0044] Determination of content and impurities in sirolimus tablets.
[0045] High performance liquid chromatography conditions:
[0046] Chromatographic column: Shimadzu InertsilC18, size 4.6mm×150mm, 3μm;
[0047] Mobile phase ratio is: mobile phase A: mobile phase B = 18:82 (volume ratio), mobile phase A is composed of phosphoric acid: sodium heptanesulfonate: water = 0.1:0.01:1 (mass ratio), mobile phase B is made up of methanol: acetonitrile=15:85 (volume ratio);
[0048] The detection wavelength is 277nm;
[0049] The flow rate is 1.6ml / min;
[0050] Column temperature 25°C;
[0051] The injection volume was 20 μL.
[0052] Diluent: 0.1% phosphoric acid solution: acetonitrile = 50:75 (volume ratio).
[0053] Experimental steps:
[0054] Solution preparation:
[0055] Take an appropriate amount of sirolimus tablet (approximately equivalent to 25 mg sirolimus), weigh it accurately, place it in a 25ml volumetric flask, add an appropriate amount of diluent to dilute ...
Embodiment 3
[0062] Determination of content and impurities in sirolimus capsules.
[0063] High performance liquid chromatography conditions:
[0064] Chromatographic column: Dima II C18, the size is 4.6mm×150mm, 3μm;
[0065] Mobile phase ratio is: mobile phase A: mobile phase B = 22:78 (volume ratio), mobile phase A is composed of phosphoric acid: sodium heptanesulfonate: water = 0.1:0.01:1 (mass ratio), mobile phase B is made up of methanol: acetonitrile=15:85 (volume ratio);
[0066] The detection wavelength is 277nm;
[0067] The flow rate is 1.8ml / min;
[0068] Column temperature 28°C;
[0069] The injection volume was 20 μL.
[0070] Diluent: 0.1% phosphoric acid solution: acetonitrile = 50:65 (volume ratio).
[0071] Experimental steps:
[0072] Solution preparation:
[0073] Take an appropriate amount of sirolimus capsule content (approximately equivalent to 25 mg sirolimus), weigh it accurately, place it in a 25ml volumetric flask, add an appropriate amount of diluent to...
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