5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione

Also known as: 5-(Methoxymethylene) Meldrum's Acid, 5-(Methoxymethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione, 1,3-Dioxane-4,6-dione, 5-(methoxymethylene)-2,2-dimethyl-, Cabozantinib impurity 56, Lenvatinib Impurity 79

5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 15568-85-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H10O5 and a molecular weight of 186.162 g/mol. Key properties include a melting point of 132-134ºC, a boiling point of 390.0±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 178.7±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 15568-85-1
Jingsj CID: J-874703-3
Molecular Formula: C₈H₁₀O₅
Molecular Weight: 186.162 g/mol
Category: Ketones
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	132-134ºC
Boiling Point	390.0±42.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	178.7±27.9 °C
Exact Mass	186.052826
PSA	61.83000
LogP	-1.33
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.523

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione?

The CAS number of 5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione is 15568-85-1.

What are the molecular formula and molecular weight of 5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione?

5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione has molecular formula C8H10O5 and molecular weight 186.162 g/mol.

What are the upstream and downstream products of 5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione?

For 5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione, Upstream Products: Meldrum's acid, Trimethyl orthoformate, Triethyl orthoformate; Downstream Products: Flumequine, Citropten, 5-[(4-bromophenylamino)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione.

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. "5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 15568-85-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-874703-3 (accessed 2026-11-09).

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