Pyrimido[1,2-a]benzimidazole

Also known as: benzo[4,5]imidazo[1,2-a]pyrimidine, 1,4a,9-Triazafluorene, Pyrimido[1,2-a]benzimidazole (8CI,9CI)

Pyrimido[1,2-a]benzimidazole (CAS 245-55-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7N3 and a molecular weight of 169.18300 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 245-55-6
Jingsj CID: J-1310186-5
Molecular Formula: C₁₀H₇N₃
Molecular Weight: 169.18300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	169.06400
PSA	30.19000
LogP	1.88250

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 Pyrimido[1,2-a]benzimidazole?

The CAS number of Pyrimido[1,2-a]benzimidazole is 245-55-6.

What are the molecular formula and molecular weight of Pyrimido[1,2-a]benzimidazole?

Pyrimido[1,2-a]benzimidazole has molecular formula C10H7N3 and molecular weight 169.18300 g/mol.

What are the upstream and downstream products of Pyrimido[1,2-a]benzimidazole?

For Pyrimido[1,2-a]benzimidazole, Upstream Products: 2-Aminobenzimidazole, 1,1,3,3-Tetraethoxypropane.

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. "Pyrimido[1,2-a]benzimidazole (CAS 245-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1310186-5 (accessed 2026-11-09).

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