Question
Posted on: November 16 2018Erythromycin hydrophilic Gel; Replace HPC
HPC 400 is not in stock, we would like to replace this with HPMC 4000?
Answer
You can prepare : erythromycin 4 G, citric acid 0.3 g, ethanol 96 ° 45 g, glycerin 2.0 g, HPMC 4000 3.0 g, water up to 100 g