Catalog › Ambergris
9 ambergris perfumery materials in the PerfuMate catalog, each described and classified, with CAS numbers where one exists. 1 natural, 8 synthetic. By volatility band: 9 base.
Counted from the accords published to the PerfuMate community, which are PerfuMate's own reference accords. The figure is how many of them use the material.
A material is filed under every sub-category that fits it, so these add up to more than 9.