rac-Astaxanthin

rac-Astaxanthin is a carotenoid pigment found primarily in marine animals including shrimp and salmon. It is a potent lipid-soluble antioxidant.Formal Name: 3,3'-dihydroxy-beta,beta-carotene-4,4'-dione. CAS Number: 7542-45-2. Synonyms: AstaREAL, AstaXin, BioAstin, Carophyll Pink, Lucantin Pink, NatuRose, Ovoester. Molecular Formula: C40H52O4. Formula Weight: 596.9. Purity: >97%. Formulation: (Request formulation change), A crystalline solid. Solubility: Chloroform: 6 mg/ml, DMF: 0.5 mg/ml, DMSO: <130 µg/ml, Ethanol: <90 µg/ml, PBS (7.2): No apparent solubility. lambdamax: 473 nm. SMILES: CC(C(C(O)CC1(C)C)=O)=C1/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C2=C(C)C(C(O)CC2(C)C)=O. InChi Code: InChI=1S/C40H52O4/c1-27(17-13-19-29(3)21-23-33-31(5)37(43)35(41)25-39(33,7)8)15-11-12-16-28(2)18-14-20-30(4)22-24-34-32(6)38(44)36(42)26-40(34,9)10/h11-24,35-36,41-42H,25-26H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,27-15+,28-16+,29-19+,30-20+. InChi Key: MQZIGYBFDRPAKN-QISQUURKSA-N.