Citranxanthin

• CAT Number: R066556
• CAS Number: 3604-90-8
• Molecular Formula: C33H44O
• Molecular Weight: 456.71
• Purity: ≥95%
• Synonyms: 5’,6’‐Dihydro‐5’‐apo‐18’‐nor‐β‐caroten‐6’‐one
• Storage: 20°C
• IUPAC Name: (3E,5E,7E,9E,11E,13E,15E,17E,19E)-5,9,14,18-tetramethyl-20-(2,6,6-trimethylcyclohexen-1-yl)icosa-3,5,7,9,11,13,15,17,19-nonaen-2-one
• InChI: InChI=1S/C33H44O/c1-26(16-11-18-28(3)21-23-31(6)34)14-9-10-15-27(2)17-12-19-29(4)22-24-32-30(5)20-13-25-33(32,7)8/h9-12,14-19,21-24H,13,20,25H2,1-8H3/b10-9+,16-11+,17-12+,23-21+,24-22+,26-14+,27-15+,28-18+,29-19+
• InChIKey: PRDJTOVRIHGKNU-ZWERVMMHSA-N
• SMILES: CC1=C(C(CCC1)(C)C)/C=C/C(=C/C=C/C(=C/C=C/C=C(\C)/C=C/C=C(\C)/C=C/C(=O)C)/C)/C

Citranxanthin（Cat No.:R066556）is a naturally occurring xanthophyll carotenoid, known for its orange pigmentation and antioxidant properties. Structurally related to β-carotene, citranxanthin is used as a food and feed additive to enhance coloration in poultry and aquaculture. It also exhibits provitamin A activity and contributes to cellular protection against oxidative stress. In nutraceutical and cosmetic research, citranxanthin is studied for its potential in supporting skin health and immune function. Supplied at high purity, it is ideal for applications in food science, animal nutrition, and antioxidant research.