Capsanthin

辣椒红素

Also known as: Paprika red, E 160c, Chili Red, Paprika Extract, 3,3'-Dihydroxy-β,κ-caroten-6'-one, (3R,3'S,5'R)-3,3'-Dihydroxy-β,κ-caroten-6'-one

Capsanthin (CAS 465-42-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C40H56O3 and a molecular weight of 584.871 g/mol. It is also known as Paprika red, E 160c and Chili Red. Key properties include a melting point of 177-178ºC, a boiling point of 726.6±60.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 407.2±29.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 465-42-9
Jingsj CID: J-29774-9
Molecular Formula: C₄₀H₅₆O₃
Chinese Name: 辣椒红素
Molecular Weight: 584.871 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	177-178ºC
Boiling Point	726.6±60.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	407.2±29.4 °C
Exact Mass	584.422974
PSA	57.53000
LogP	9.90
Vapor Pressure	0.0±5.4 mmHg at 25°C
Refractive Index	1.563

Activity & Biological Data

Additional Information	[1]. Kim JS, et al. Red paprika (Capsicum annuum L.) and its main carotenoids, capsanthin and β-carotene, prevent hydrogen peroxide-induced inhibition of gap-junction intercellular communication. Chem Biol Interact. 2016 Jul 25;254:146-55. [2]. Narisawa T, et al. Prevention of N-methylnitrosourea-induced colon carcinogenesis in rats by oxygenated carotenoid capsanthin and capsanthin-rich paprika juice. Proc Soc Exp Biol Med. 2000 Jun;224(2):116-22. [3]. Horie S, et al. Purified canola lutein selectively inhibits specific isoforms of mammalian DNA polymerases and reduces inflammatory response. Lipids. 2010 Aug;45(8):713-21.

Additional Information

[1]. Kim JS, et al. Red paprika (Capsicum annuum L.) and its main carotenoids, capsanthin and β-carotene, prevent hydrogen peroxide-induced inhibition of gap-junction intercellular communication. Chem Biol Interact. 2016 Jul 25;254:146-55. [2]. Narisawa T, et al. Prevention of N-methylnitrosourea-induced colon carcinogenesis in rats by oxygenated carotenoid capsanthin and capsanthin-rich paprika juice. Proc Soc Exp Biol Med. 2000 Jun;224(2):116-22. [3]. Horie S, et al. Purified canola lutein selectively inhibits specific isoforms of mammalian DNA polymerases and reduces inflammatory response. Lipids. 2010 Aug;45(8):713-21.

Customs & Trade Information

HS Code	3203001990

Frequently Asked Questions

What is the CAS number of Capsanthin?

The CAS number of Capsanthin is 465-42-9.

What are the molecular formula and molecular weight of Capsanthin?

Capsanthin has molecular formula C40H56O3 and molecular weight 584.871 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Capsanthin (CAS 465-42-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29774-9 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.