Alkannin

阿卡宁

Also known as: Alkannin, C.I. 75530, C.I. Natural Red 20, Anchusin, Arnebin-4, Alkanet, Alkanna tinctoria root extract, 5,8-dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione

Alkannin (CAS 23444-65-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H16O5 and a molecular weight of 288.295 g/mol. It is also known as C.I. 75530, C.I. Natural Red 20 and Anchusin. Key properties include a melting point of 149°C, a boiling point of 567.4±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 311.0±26.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
23444-65-7
Jingsj CID
J-1959287-1
Molecular Formula
C16H16O5
Chinese Name
阿卡宁
Molecular Weight
288.295 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point149°C
Boiling Point567.4±50.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point311.0±26.6 °C
Exact Mass288.099762
PSA94.83000
LogP4.35
Vapor Pressure0.0±1.6 mmHg at 25°C
Refractive Index1.642

Activity & Biological Data

Additional Information[1]. J Chen, et al. Shikonin and its analogs inhibit cancer cell glycolysis by targeting tumor pyruvate kinase-M2. Oncogene. 2011 Oct 20;30(42):4297-306.

Customs & Trade Information

HS Code2914690090
Summary2914690090 other quinones。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Alkannin?

The CAS number of Alkannin is 23444-65-7.

What are the molecular formula and molecular weight of Alkannin?

Alkannin has molecular formula C16H16O5 and molecular weight 288.295 g/mol.

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

Last updated:

How to cite: Jingsj. "Alkannin (CAS 23444-65-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959287-1 (accessed 2026-10-28).

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