MBS-DPPE

Analyze the MBS-DPPE derivative by TLC using a silica plate and developing with a solvent mix containing chloroform methanol glacial acetic acid in the volume ratio of 65 25 13. The R value of underivatized DPPE is 0.56, while that of the MBS-DPPE product is R 0.78. 

The MBS-DPPE derivative can be stored dry under a nitrogen blanket at 4°C or dissolved in chloroforrmmethanol (9 1, v/v) under the same conditions. 

---