There isn't a specific scientific symbol for chlorophyll like there is for elements (e.g., H for hydrogen). However, there are a few common ways to represent it:

* "Chl": This is a widely used abbreviation for chlorophyll.

* "C₅₅H₇₂MgN₄O₅": This is the chemical formula for chlorophyll a, the most common type of chlorophyll.

It's important to note that there are different types of chlorophyll, each with its own chemical formula. For example, chlorophyll b has the formula "C₅₅H₇₀MgN₄O₆".