1,3-Dipropyl-7-methylxanthine

Also known as: 1,3-Dipropyl-7-methylpurine-2,6-dione, 1,3-Dipropylheteroxanthine, 1,3-di-n-propyl-7-methylxanthine, 1,3-dipropyl-7-methyl-xanthine, 3,7-Dihydro-7-methyl-1,3-dipropyl-1H-purine-2,6-dione, 7-Methyl-1,3-dipropyl-1H-purine-2,6(3H,7H)-dione, 7-Methyl-1,3-dipropyl-3,7-dihydro-1H-purine-2,6-dione, 7-Methyl-1,3-dipropylxanthine, 7-methyl-1,3-dipropylpurine-2,6-dione, Lopac-D-108, MFCD00055219, SC 5192

1,3-Dipropyl-7-methylxanthine (CAS 31542-63-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H18N4O2 and a molecular weight of 250.297 g/mol. Key properties include a melting point of 114-117ºC, a boiling point of 443.5±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 222.0±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 31542-63-9
Jingsj CID: J-1325340-2
Molecular Formula: C₁₂H₁₈N₄O₂
Molecular Weight: 250.297 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	114-117ºC
Boiling Point	443.5±37.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	222.0±26.5 °C
Exact Mass	250.142975
PSA	61.82000
LogP	1.99
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.612
Stability	Store tightly sealed at RT
Additional Property	0.1 M NaOH: soluble

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 1,3-Dipropyl-7-methylxanthine?

The CAS number of 1,3-Dipropyl-7-methylxanthine is 31542-63-9.

What are the molecular formula and molecular weight of 1,3-Dipropyl-7-methylxanthine?

1,3-Dipropyl-7-methylxanthine has molecular formula C12H18N4O2 and molecular weight 250.297 g/mol.

What are the upstream and downstream products of 1,3-Dipropyl-7-methylxanthine?

For 1,3-Dipropyl-7-methylxanthine, Upstream Products: iodomethane, 1-Iodopropane, Enprofylline.

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. "1,3-Dipropyl-7-methylxanthine (CAS 31542-63-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1325340-2 (accessed 2026-11-09).

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