This product is soluble in DMSO at 28 mg/mL. The recommended storage temperature is 2-8°C
Please see the product data sheet for more information:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/268/374/i0157dat.pdf
However, solutions in DMSO or ethanol may be stored at -20°C for up to 3 months. The end-user will need to be cautious about keeping the product at -20°C for long-term storage and determine the stability at such temperatures empirically as this is not tested internally.
Please see the link below: https://www.chemicalbook.com/ChemicalProductProperty_EN_CB0145945.htm




