The ornamental design for a reagentreceptacle, as shown and described.
FIG. 1 is a front perspective view of a reagent receptacle according to our design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The claim is limited to the shaded surfaces only. The broken lines illustrate unclaimed environmental structure and form no part of the claimed design. The broken lines immediately adjacent the shaded surfaces represent boundaries of the claim and form no part thereof.