Precocene III

Also known as: 7-Ethoxy-6-methoxy-2,2-dimethylchromene, 7-Ethoxy-6-methoxy-2,2-dimethyl-2H-1-benzopyran, 7-Ethoxy-6-methoxy-2,2-dimethyl-2H-chromene, 7-Ethoxyprecocene, Ethoxyprecocene, Precocene III, Precocene 3, 7-Ethoxy-6-methoxy-2,2-dimethyl-2H-1-benzopyran, 7-Ethoxy-6-methoxy-2,2-dimethyl-2H-chromene (Precocene III), EINECS 265-728-5

Precocene III (CAS 65383-73-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H18O3 and a molecular weight of 234.29100 g/mol. Key properties include a boiling point of 316.6ºC at 760 mmHg, a density of 0.92 and a flash point of 105.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 65383-73-5
Jingsj CID: J-10294-3
Molecular Formula: C₁₄H₁₈O₃
Molecular Weight: 234.29100 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	316.6ºC at 760 mmHg
Density	0.92
Flash Point	105.8ºC
Exact Mass	234.12600
PSA	27.69000
LogP	3.27810
Refractive Index	1.5547-1.5567

Customs & Trade Information

HS Code	2909199090
Summary	2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Precocene III?

The CAS number of Precocene III is 65383-73-5.

What are the molecular formula and molecular weight of Precocene III?

Precocene III has molecular formula C14H18O3 and molecular weight 234.29100 g/mol.

What are the upstream and downstream products of Precocene III?

For Precocene III, Upstream Products: 6,7-Dimethoxy-2,2-dimethyl-4-chromanone, 3-Methyl-2-butenoic acid, 1,2,4-Benzenetriol.

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. "Precocene III (CAS 65383-73-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10294-3 (accessed 2026-11-09).

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