E 6470 (OTTO) 2-Ethoxyacetyl chloride, 95% Cas 14077-58-8 - used as pharmaceutical intermediates. A trace of cis-ethoxyacetamide was also detected and isolated with an authentic sample prepared from the reaction of cis-3-amino-6-methylchroman-4-01 (2) with 2-ethoxyacetyl chloride.