Product Description: Product name: Astaxanthin CAS No. : 472-61-7 Molecular formula: C40H52O4 Molecular weight: 596.82 Specification: Astaxanthin 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 5% Appearance: Dark red powder Extracted from Haematococcus Pluvialis Astaxanthin is produced by microscopic small plants: The micro-alga Haematococcus pluvialis. It is a powerful antioxidant and also can improve the immune ...