Furo[3,4-c]pyridin-1(3H)-one

Also known as: 1H,3H-furo[3,4-c]pyridin-1-one, 3H-furo[3,4-c]pyridin-1-one, 1,3-dihydrofuro[3,4-c]pyridin-1-one, 1-oxo-1,3-dihydrofuro[3,4-c]pyridine, 3-hydroxymethylisonicotinic acid lactone, 8-oxa-3-azabicyclo[4.3.0]nona-2,4,10-trien-7-one

Furo[3,4-c]pyridin-1(3H)-one (CAS 4741-42-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5NO2 and a molecular weight of 135.12000 g/mol. Key properties include a boiling point of 357.5ºC at 760 mmHg, a density of 1.36g/cm3 and a flash point of 170ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4741-42-8
Jingsj CID: J-896070-1
Molecular Formula: C₇H₅NO₂
Molecular Weight: 135.12000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	357.5ºC at 760 mmHg
Density	1.36g/cm3
Flash Point	170ºC
Exact Mass	135.03200
PSA	39.19000
LogP	0.75200
Refractive Index	1.592

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 Furo[3,4-c]pyridin-1(3H)-one?

The CAS number of Furo[3,4-c]pyridin-1(3H)-one is 4741-42-8.

What are the molecular formula and molecular weight of Furo[3,4-c]pyridin-1(3H)-one?

Furo[3,4-c]pyridin-1(3H)-one has molecular formula C7H5NO2 and molecular weight 135.12000 g/mol.

What are the upstream and downstream products of Furo[3,4-c]pyridin-1(3H)-one?

For Furo[3,4-c]pyridin-1(3H)-one, Upstream Products: Furo[3,4-c]pyridine-1,3-dione, N-Phenylisonicotinamide, 3-(Methoxycarbonyl)isonicotinic acid.

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. "Furo[3,4-c]pyridin-1(3H)-one (CAS 4741-42-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-896070-1 (accessed 2026-11-09).

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