structural formula:

Molecular formula: C₄₃H₅₈N₄O₁₂

Molecular weight: 822

The product is 3-[[(4-methyl -1-piperazine) imino] methyl] rifamycin. According to the dry product, its C₄₃H₅₈N₄O₁₂ content is 90.0% in minimum.

Properties: The product is bright red or dark red crystal powder, odorless and tasteless. It is freely soluble in chloroform and soluble in carbinol, insoluble in water.