Colistin methanesulfonate sodium salt

Size

£192.00

SKU:: 236941
Molecular Weight:: 1759.9
Storage Conditions:: 4°C
Supplier:: United States Biological
Extra Details:: Appearance: White powder Clarity and Color: Passes Test Heavy Metals: Passes Test pH: 7.4 (BP), 8.0 (USP) Optical Rotation: [a] = -49° Loss on Drying: 0.80% Sulfated Ash: 21% Assay: 12,892 U/mg, 408 ug/mg Pyrogen: Passes Test: Total sulphite: As reported Identification: As reported Free colistin: As reported Sterility: As reported Undue Toxicity: As reported Storage and Stability: Lyophilized powder may be stored at -20°C. Stable for 12 months after receipt at 4°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at 4°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.