8,9-Dihydro-6H-pyrido[2,1-b]quinazolin-11(7H)-one

Also known as: 2,3-Butanoquinazoline-4(3H)-one, 2,3-tetramethylene-3,4-dihydroquinazol-4-one, 11H-6,7,8,9-tetrahydropyrido[2,1-b]quinazolin-11-one, 6,7,8,9-Tetrahydro-11H-pyrido[2,1-b]quinazolin-11-one, 6,7,8,9-tetrahydropyrido[2,1-b]quinazolin-11-one, deoxyvacisinone, mackinazolinone

8,9-Dihydro-6H-pyrido[2,1-b]quinazolin-11(7H)-one (CAS 2446-62-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H12N2O and a molecular weight of 200.23600 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2446-62-0
Jingsj CID: J-1124862-7
Molecular Formula: C₁₂H₁₂N₂O
Molecular Weight: 200.23600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	200.09500
PSA	34.89000
LogP	1.73280

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 8,9-Dihydro-6H-pyrido[2,1-b]quinazolin-11(7H)-one?

The CAS number of 8,9-Dihydro-6H-pyrido[2,1-b]quinazolin-11(7H)-one is 2446-62-0.

What are the molecular formula and molecular weight of 8,9-Dihydro-6H-pyrido[2,1-b]quinazolin-11(7H)-one?

8,9-Dihydro-6H-pyrido[2,1-b]quinazolin-11(7H)-one has molecular formula C12H12N2O and molecular weight 200.23600 g/mol.

What are the upstream and downstream products of 8,9-Dihydro-6H-pyrido[2,1-b]quinazolin-11(7H)-one?

For 8,9-Dihydro-6H-pyrido[2,1-b]quinazolin-11(7H)-one, Upstream Products: 2-Piperidone, N-(tert-Butoxycarbonyl)-5-aminopentanoic acid, Methyl anthranilate; Downstream Products: Rutaecarpine, 6-bromo-6,7,8,9-tetrahydropyrido[2,1-b]quinazolin-11-one.

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. "8,9-Dihydro-6H-pyrido[2,1-b]quinazolin-11(7H)-one (CAS 2446-62-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1124862-7 (accessed 2026-11-09).

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