A kind of cefuroxime sodium raw material and injection and preparation method thereof
A technology of cefuroxime sodium and cefuroxime acid, which is applied in the field of medicine and can solve problems such as rapid growth and poor control of related substances 2
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Embodiment 1
[0039] Embodiment 1 prepares cefuroxime sodium raw material of the present invention
[0040] (1) Preparation of cefuroxime acid solution: add methanol (50L), dehydrated ethanol (98L) and water (2L) respectively in a clean stainless steel batching tank A, stir and control the liquid temperature in the stainless steel tank A to 10 -15°C, then add cefuroxime acid (15kg) weighed in advance, control the temperature at 10-15°C and completely dissolve to obtain a cefuroxime acid solution, and set aside;
[0041] (2) Preparation of salt-forming agent solution: Measure and add 95% ethanol (150L) into the clean stainless steel batching tank B, stir and control the liquid temperature in the stainless steel tank B to 10-15°C, and then add the mixture that has been weighed in advance Sodium acetate trihydrate (5.29kg), temperature control 10-15 ℃ and after dissolving completely, obtain salt-forming agent solution, standby;
[0042] (3) Salt-forming reaction: Methanol (10L), absolute etha...
Embodiment 2
[0044] Embodiment 2 prepares cefuroxime sodium raw material of the present invention
[0045] (1) Preparation of cefuroxime acid solution: add methanol (55L), absolute ethanol (108L) and water (2L) into a clean stainless steel batching tank respectively, stir and control the liquid temperature in the stainless steel tank to 10-15 ℃, then add cefuroxime acid (15kg) weighed in advance, after temperature control 10-15 ℃ and completely dissolved, cefuroxime acid solution is obtained for subsequent use;
[0046] (2) Preparation of salt-forming agent solution: Measure and add 95% ethanol (165L) respectively in a clean stainless steel batching tank, stir and control the liquid temperature in the stainless steel tank to 10-15°C, then add the pre-weighed three Water sodium acetate (5.29kg), temperature control 10-15 ℃ and after completely dissolving, obtain salt-forming agent solution, standby;
[0047] (3) Salt-forming reaction: Methanol (11L), absolute ethanol (21.6L), water (0.4L),...
Embodiment 3
[0049] Embodiment 3 prepares cefuroxime sodium raw material of the present invention
[0050] (1) Preparation of cefuroxime acid solution: Methanol (60L), dehydrated ethanol (118L) and water (2L) were metered into clean stainless steel batching tank A respectively, stirred and the liquid temperature in stainless steel tank A was controlled to 10 -15°C, then add cefuroxime acid (15kg) weighed in advance, control the temperature at 10-15°C and completely dissolve to obtain a cefuroxime acid solution, and set aside;
[0051] (2) Preparation of salt-forming agent solution: Measure and add 95% ethanol (180L) into the clean stainless steel batching tank B respectively, stir and control the liquid temperature in the stainless steel tank B to 10-15°C, then add the Sodium acetate trihydrate (5.29kg), temperature control 10-15 ℃ and after dissolving completely, obtain salt-forming agent solution, standby;
[0052] (3), salt-forming reaction: Methanol (12L), absolute ethanol (23.6L), wa...
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