Eterobarb

依特比妥

Also known as: Eterobarbital, 5-ethyl-1,3-bis(methoxymethyl)-5-phenylpyrimidine-2,4,6(1H,3H,5H)-trione, N,N'-Bis(methoxymethyl)phenobarbital, RMI 16238, Antilon

Eterobarb (CAS 27511-99-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H20N2O5 and a molecular weight of 320.34000 g/mol. It is also known as Eterobarbital, 5-ethyl-1,3-bis(methoxymethyl)-5-phenylpyrimidine-2,4,6(1H,3H,5H)-trione and N,N'-Bis(methoxymethyl)phenobarbital. Key properties include a melting point of 116-118ºC, a boiling point of 418.2ºC at 760mmHg, a density of 1.203g/cm3 and a flash point of 206.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
27511-99-5
Jingsj CID
J-1956414-0
Molecular Formula
C16H20N2O5
Chinese Name
依特比妥
Molecular Weight
320.34000 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point116-118ºC
Boiling Point418.2ºC at 760mmHg
Density1.203g/cm3
Flash Point206.7ºC
Exact Mass320.13700
PSA76.15000
LogP1.20880
Vapor Pressure3.34E-07mmHg at 25°C
Refractive Index1.526

Activity & Biological Data

Additional Information[1]. R H Mattson, et al. Eterobarb therapy in epilepsy. Neurology. 1976 Nov;26(11):1014-7. [2]. R M Julien, et al. Effectiveness of N,N'-dimethoxymethylphenobarbital (eterobarbital) on febrile seizures. Proc West Pharmacol Soc. 1977;20:73-7.

Customs & Trade Information

HS Code2933540000
Summary2933540000 other derivatives of malonylurea (barbituric acid); salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Eterobarb?

The CAS number of Eterobarb is 27511-99-5.

What are the molecular formula and molecular weight of Eterobarb?

Eterobarb has molecular formula C16H20N2O5 and molecular weight 320.34000 g/mol.

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

Last updated:

How to cite: Jingsj. "Eterobarb (CAS 27511-99-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1956414-0 (accessed 2026-10-28).

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