Haematococcus Pluvialis Extract Astaxanthin Details Product Name: Astaxanthin Herb Source: Haematococcus Pluvialis Appearance: Dark Red Powder Specification: 1%-10% Test Method: HPLC CAS#: 472-61-7 Molecular Formula & Molecular Weight: C40H52O4; 596.84 Astaxanthin Structural Formula: What Is Astaxanthin? Astaxanthin is a reddish pigment which belongs to carotenoids family. It can be found in haematococcus pluvialis, shrimp, lobster, crab and salmon. Astaxanthin is similar in structure …