5H,10H-Diimidazo[1,5-a:1',5'-d]pyrazine-5,10-dione

Also known as: Diimidazo[1,5-a:1',5'-d]pyrazine-5,10-dione, 5H,10H-Diimidazo[1,5-a:1',5'-d]pyrazine-5,10-dione (free base), Diimidazo[1,5-a:1',5'-d]pyrazine-5,10-dione (free base)

5H,10H-Diimidazo[1,5-a:1',5'-d]pyrazine-5,10-dione (CAS 53525-65-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H4N4O2 and a molecular weight of 188.143 g/mol. Key properties include a boiling point of 604.5±65.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 319.4±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 53525-65-8
Jingsj CID: J-1107199-1
Molecular Formula: C₈H₄N₄O₂
Molecular Weight: 188.143 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	604.5±65.0 °C at 760 mmHg
Density	1.9±0.1 g/cm3
Flash Point	319.4±34.3 °C
Exact Mass	188.033432
PSA	68.74000
LogP	-2.07
Vapor Pressure	0.0±1.7 mmHg at 25°C
Refractive Index	1.908

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 5H,10H-Diimidazo[1,5-a:1',5'-d]pyrazine-5,10-dione?

The CAS number of 5H,10H-Diimidazo[1,5-a:1',5'-d]pyrazine-5,10-dione is 53525-65-8.

What are the molecular formula and molecular weight of 5H,10H-Diimidazo[1,5-a:1',5'-d]pyrazine-5,10-dione?

5H,10H-Diimidazo[1,5-a:1',5'-d]pyrazine-5,10-dione has molecular formula C8H4N4O2 and molecular weight 188.143 g/mol.

What are the upstream and downstream products of 5H,10H-Diimidazo[1,5-a:1',5'-d]pyrazine-5,10-dione?

For 5H,10H-Diimidazo[1,5-a:1',5'-d]pyrazine-5,10-dione, Upstream Products: 1H-Imidazole-4-carboxylic acid, Methyl 4-imidazolecarboxylate, 1H-Imidazole-5-carbonyl chloride; Downstream Products: N-(2-chloropyridin-3-yl)-1H-imidazole-5-carboxamide, N-(2,6-Dichloropyridin-3-yl)-1H-imidazole-5-carboxamide.

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. "5H,10H-Diimidazo[1,5-a:1',5'-d]pyrazine-5,10-dione (CAS 53525-65-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1107199-1 (accessed 2026-11-09).

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