E174 DIETHYLPYROCARBONATE (DEPC) Grade:HIGH PURITY GRADE CAS Number: 1609-47-8Synonym(s): DEPC, pyrocarbonic acid diethyl ester, diethyl oxydiformate Molecular Weight: 162.14Molecular Formula: C6H10O5 Storage Condition: COLD CodeSizePriceQuantity E174-5G E174-25G E174-100G AMRESCO offers DEPC to inactivate RNase enzymes from water and other labware. DEPC convalently modifies histidine residues in RNase enzymes. DEPC can be used with PBS or MOPS buffer, but is incompatible with TRIS and HEPES.