Exodus 30:37
"And as for the perfume which thou shalt make, ye shall not make to yourselves according to the composition thereof: it shall be unto thee holy for the LORD."
Cross References (ranked by relevance)
Exodus 29:37
Seven days thou shalt make an atonement for the altar, and sanctify it; and it shall be an altar most holy: whatsoever toucheth the altar shall be holy.
Leviticus 2:3
And the remnant of the meat offering shall be Aaron’s and his sons’: it is a thing most holy of the offerings of the LORD made by fire.