Pyrrolo[1,2-a]pyrazin-1(2H)-one

Also known as: Pyrrolo[1,2-a]pyrazin-1(2H)-one (9CI), Pyrrolo[1,2-a]pyrazin-1-one, 2H-pyrrolo[1,2-a]pyrazin-1-one, 1H,2H-pyrrolo[1,2-a]pyrazin-1-one, Pyrrolo[1,2-a]pyrazin-1(2H)

Pyrrolo[1,2-a]pyrazin-1(2H)-one (CAS 136927-63-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H6N2O and a molecular weight of 134.135 g/mol. Key properties include a boiling point of 213.2±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 82.8±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 136927-63-4
Jingsj CID: J-1500960-1
Molecular Formula: C₇H₆N₂O
Molecular Weight: 134.135 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	213.2±40.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	82.8±27.3 °C
Exact Mass	134.048019
PSA	37.27000
LogP	0.00
Vapor Pressure	0.2±0.4 mmHg at 25°C
Refractive Index	1.668
Storage Conditions	2-8°C

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 Pyrrolo[1,2-a]pyrazin-1(2H)-one?

The CAS number of Pyrrolo[1,2-a]pyrazin-1(2H)-one is 136927-63-4.

What are the molecular formula and molecular weight of Pyrrolo[1,2-a]pyrazin-1(2H)-one?

Pyrrolo[1,2-a]pyrazin-1(2H)-one has molecular formula C7H6N2O and molecular weight 134.135 g/mol.

What are the upstream and downstream products of Pyrrolo[1,2-a]pyrazin-1(2H)-one?

For Pyrrolo[1,2-a]pyrazin-1(2H)-one, Upstream Products: Pyrrole-2-carbonitrile; Downstream Products: 1-Chloropyrrolo[1,2-a]pyrazine.

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. "Pyrrolo[1,2-a]pyrazin-1(2H)-one (CAS 136927-63-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500960-1 (accessed 2026-11-06).

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