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3-Acetyl-2-methyl-5H-[1]benzopyrano[2,3-b]pyridin-5-one

Also known as: 3-Acetyl-2-methyl-5H-chromeno[2,3-b]pyridin-5-one, 3-acetyl-2-methylchromeno[2,3-b]pyridin-5-one, 5H-[1]Benzopyrano[2,3-b]pyridin-5-one, 3-acetyl-2-methyl-, MFCD00191705, HMS2174H10, 3-Acetyl-2-methyl-9-oxa-1-aza-anthracen-10-one

3-Acetyl-2-methyl-5H-[1]benzopyrano[2,3-b]pyridin-5-one (CAS 67867-47-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C15H11NO3 and a molecular weight of 253.25300 g/mol. Key properties include a melting point of 212-214ºC(lit.), a boiling point of 457.6ºC at 760 mmHg, a density of 1.301g/cm3 and a flash point of 230.6ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
67867-47-4
Jingsj CID
J-29163-4
Molecular Formula
C15H11NO3
Molecular Weight
253.25300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point212-214ºC(lit.)
Boiling Point457.6ºC at 760 mmHg
Density1.301g/cm3
Flash Point230.6ºC
Exact Mass253.07400
PSA60.17000
LogP2.85220
Refractive Index1.621

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 3-Acetyl-2-methyl-5H-[1]benzopyrano[2,3-b]pyridin-5-one?

The CAS number of 3-Acetyl-2-methyl-5H-[1]benzopyrano[2,3-b]pyridin-5-one is 67867-47-4.

What are the molecular formula and molecular weight of 3-Acetyl-2-methyl-5H-[1]benzopyrano[2,3-b]pyridin-5-one?

3-Acetyl-2-methyl-5H-[1]benzopyrano[2,3-b]pyridin-5-one has molecular formula C15H11NO3 and molecular weight 253.25300 g/mol.

Is 3-Acetyl-2-methyl-5H-[1]benzopyrano[2,3-b]pyridin-5-one hazardous?

3-Acetyl-2-methyl-5H-[1]benzopyrano[2,3-b]pyridin-5-one has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 3-Acetyl-2-methyl-5H-[1]benzopyrano[2,3-b]pyridin-5-one?

For 3-Acetyl-2-methyl-5H-[1]benzopyrano[2,3-b]pyridin-5-one, Upstream Products: 3-Cyanochromone, 2,4-Pentanedione.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Acetyl-2-methyl-5H-[1]benzopyrano[2,3-b]pyridin-5-one (CAS 67867-47-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29163-4 (accessed 2026-11-09).

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