all-trans-4-Oxoretinoic acid

Also known as: 4-Oxoretinoic acid, 4-Ketoretinoic acid, 4-Oxo-all-trans-retinoic acid, 4-Oxo-atRA, 4-Oxotretinoin, all-trans 4-Keto Retinoic Acid, 4-keto-Retinoic acid, 4-oxo-Retinoic acid, all-trans-4-oxoretinoic acid, Retinoic acid, 4-oxo-, Tretinoin Impurity 7, (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethyl-3-oxocyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid, (E)-3,7-dimethyl-9-(2,6,6-trimethyl-3-oxo-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenoic acid

all-trans-4-Oxoretinoic acid (CAS 38030-57-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H26O3 and a molecular weight of 314.41900 g/mol. Key properties include a melting point of 175-178°C (分解), a boiling point of 509.9ºC at 760 mmHg, a density of 1.07g/cm3 and a flash point of 276.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 38030-57-8
Jingsj CID: J-1958332-5
Molecular Formula: C₂₀H₂₆O₃
Molecular Weight: 314.41900 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	175-178°C (分解)
Boiling Point	509.9ºC at 760 mmHg
Density	1.07g/cm3
Flash Point	276.3ºC
Exact Mass	314.18800
PSA	54.37000
LogP	4.78160
Refractive Index	1.565
Storage Conditions	2-8℃

Activity & Biological Data

Target	Human Endogenous Metabolite
Additional Information	[1]. Topletz AR, et al. Induction of CYP26A1 by metabolites of retinoic acid: evidence that CYP26A1 is an important enzyme in the elimination of active retinoids. Mol Pharmacol. 2015;87(3):430-41. [2]. Stahl W, et al. 4-oxo-retinoic acid is generated from its precursor canthaxanthin and enhances gap junctional communication in 10T1/2 cells. Adv Exp Med Biol. 1996;387:121-8.

Frequently Asked Questions

What is the CAS number of all-trans-4-Oxoretinoic acid?

The CAS number of all-trans-4-Oxoretinoic acid is 38030-57-8.

What are the molecular formula and molecular weight of all-trans-4-Oxoretinoic acid?

all-trans-4-Oxoretinoic acid has molecular formula C20H26O3 and molecular weight 314.41900 g/mol.

What are the upstream and downstream products of all-trans-4-Oxoretinoic acid?

For all-trans-4-Oxoretinoic acid, Upstream Products: Tretinoin, Ethyl (E)-3-methyl-4-oxobut-2-enoate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "all-trans-4-Oxoretinoic acid (CAS 38030-57-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958332-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.