1,3,7,8-Tetramethylxanthine

1,3,7,8-四甲基黄嘌呤

Also known as: 1,3,7,8-Tetramethylxanthine, 8-Methylcaffeine, 1-Methylcaffeine, 1,3,7,8-Tetramethylpurine-2,6-dione, 1H-Purine-2,6-dione, 3,7-dihydro-1,3,7,8-tetramethyl-

1,3,7,8-Tetramethylxanthine (CAS 832-66-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H12N4O2 and a molecular weight of 208.217 g/mol. It is also known as 8-Methylcaffeine, 1-Methylcaffeine and 1,3,7,8-Tetramethylpurine-2,6-dione. Key properties include a boiling point of 410.7±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 202.2±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
832-66-6
Jingsj CID
J-1438955-5
Molecular Formula
C9H12N4O2
Chinese Name
1,3,7,8-四甲基黄嘌呤
Molecular Weight
208.217 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point410.7±37.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point202.2±26.5 °C

Frequently Asked Questions

What is the CAS number of 1,3,7,8-Tetramethylxanthine?

The CAS number of 1,3,7,8-Tetramethylxanthine is 832-66-6.

What are the molecular formula and molecular weight of 1,3,7,8-Tetramethylxanthine?

1,3,7,8-Tetramethylxanthine has molecular formula C9H12N4O2 and molecular weight 208.217 g/mol.

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

Last updated:

How to cite: Jingsj. "1,3,7,8-Tetramethylxanthine (CAS 832-66-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1438955-5 (accessed 2026-10-22).

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