High-content oxytetracycline injection and preparation method thereof
A technology of oxytetracycline and injection, applied in the field of veterinary high-content oxytetracycline injection and preparation thereof, can solve the problem of producing precipitation, optimal use ratio not mentioned, no glycerol formal and dimethylacetamide Use ratio studies etc.
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Embodiment 1
[0018] Example 1: Each 100ml of oxytetracycline injection contains 35g of oxytetracycline base, 2.4g of magnesium oxide, 1.0g of sodium formaldehyde sulfoxylate, 25g of glycerin formal, 40g of N,N-dimethylacetamide, monoethanolamine 1.6g, the rest is water for injection. (glycerol formal: dimethylacetamide is 2.5:4)
Embodiment 2
[0019] Example 2: Each 100ml of oxytetracycline injection contains 35g of oxytetracycline base, 2.4g of magnesium oxide, 1.0g of sodium formaldehyde sulfoxylate, 25g of glycerin formal, 35g of N,N-dimethylacetamide, monoethanolamine 1.6g, the rest is water for injection. (Glycerol formal: dimethylacetamide is 2.5:3.5)
Embodiment 3
[0020] Example 3: Each 100ml of oxytetracycline injection contains 35g of oxytetracycline base, 2.4g of magnesium oxide, 1.0g of sodium formaldehyde sulfoxylate, 25g of glycerin formal, 30g of N,N-dimethylacetamide, monoethanolamine 1.6g, the rest is water for injection. (glycerol formal: dimethylacetamide is 2.5:3)
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