Crocin

藏花素

Also known as: Crocetin digentiobiose ester, Crocetin digentiobiosyl ester, Crocetin digentiobioside, Crocin I, α-Crocin, CROCIN, Gardenin, Saffron (natural), 8,8'-Diapo-γ,γ-carotenedioic acid bis(6-O-β-D-glucopyranosyl-β-D-glucopyranosyl) ester, Bis[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-({[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl]oxy}methyl)tetrahydro-2H-pyran-2-yl] (2E,4E,6E,8E,10E,12E,14E)-2,6,11,15-tetramethyl-2,4,6,8,10,12,14-hexadecaheptaenedioate, Crocetin digentiobiose ester (Gardenia Fruits Extract), Crocin (Gardenia Fruits Extract)

Crocin (CAS 42553-65-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C44H64O24 and a molecular weight of 976.965 g/mol. It is also known as Crocetin digentiobiose ester, Crocetin digentiobiosyl ester and Crocetin digentiobioside. Key properties include a melting point of 186° (effervescence), a boiling point of 1169.0±65.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 337.8±27.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42553-65-1
Jingsj CID: J-9931-2
Molecular Formula: C₄₄H₆₄O₂₄
Chinese Name: 藏花素
Molecular Weight: 976.965 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	186° (effervescence)
Boiling Point	1169.0±65.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	337.8±27.8 °C
Exact Mass	976.378723
PSA	391.20000
LogP	-0.83
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.650

Activity & Biological Data

Additional Information	[1]. Zaghloul MS, et al. Crocin attenuates lung inflammation and pulmonary vascular dysfunction in a rat model of bleomycin-induced pulmonary fibrosis. Life Sci. 2019 Aug 26:116794.

Frequently Asked Questions

What is the CAS number of Crocin?

The CAS number of Crocin is 42553-65-1.

What are the molecular formula and molecular weight of Crocin?

Crocin has molecular formula C44H64O24 and molecular weight 976.965 g/mol.

What are the upstream and downstream products of Crocin?

For Crocin, Upstream Products: Crocin; Downstream Products: Crocin, Crocetin.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Crocin (CAS 42553-65-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9931-2 (accessed 2026-10-28).

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