9-cis-Astaxanthin is an isomer of astaxanthin (3,3 -dihydroxy-ß,ß-carotene-4,4 -dione), belonging to the xanthophyll family of oxygenated derivatives of carotenoids.
Synonyms: (3S,3'S, 9-cis)-3,3'-Dihydroxy-beta,beta-carotene-4,4'-dione
Molecular Formula: C40H52O4
Molecular Weight: 596.84
Linear Structural Formula: C40H52O4
Purity: <=10% (all-trans-Astaxanthin, HPLC); >=90.0% (HPLC)
Storage: -70C