Frozen powder injection of tiopronin
A technology of tiopronin and freeze-dried powder injection, applied in the field of new tiopronin freeze-dried powder injection and its preparation, can solve the problems of thermal instability, poor stability, instability, etc.
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Embodiment 1
[0035] Embodiment 1, preparation tiopronin glycine freeze-dried powder injection
[0036] prescription:
[0037] Tiopronin 100g
[0038] Glycine 40g
[0039] Water for injection 1000ml
[0040] Preparation process: take 100 grams of tiopronin (content 98.6%), add 200 ml of water for injection to dissolve, weigh 40 g of glycine, add 100 ml of water for injection to dissolve, mix the above two solutions, stir, and make up the surplus water.
[0041] Under the pressure of 0.1MPa, filter with a 0.22μm microporous membrane, fill, freeze-dry, and seal.
Embodiment 2
[0042] Embodiment two, prepare tiopronin glycine freeze-dried powder injection
[0043] Tiopronin 100g
[0044] Glycine 50g
[0045] Water for injection 1000ml
[0046] Preparation process: take 100 grams of tiopronin (content 98.6%), add 200 ml of water for injection to dissolve, weigh 50 g of glycine, add 100 ml of water for injection to dissolve, mix the above two solutions, stir, and make up the surplus water.
[0047] Under the pressure of 0.1MPa, filter with a 0.22μm microporous membrane, fill, freeze-dry, and seal.
Embodiment 3
[0048] Embodiment three, prepare tiopronin glycine freeze-dried powder injection
[0049] Tiopronin 100g
[0050] Glycine 100g
[0051] Water for injection 1000ml
[0052] Preparation process: Weigh 100 grams of tiopronin (content 98.6%), add 200 ml of water for injection to dissolve, weigh 100 g of glycine, add 100 ml of water for injection to dissolve, mix the above two solutions, stir, and make up the remaining water.
[0053] Under the pressure of 0.1MPa, filter with a 0.22μm microporous membrane, fill, freeze-dry, and seal.
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