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2-Azabicyclo[2.2.1]hept-5-en-3-one

Also known as: Vince lactam, Vince's lactam, 4-Amino-2-cyclopentene-1-carboxylic acid lactam, (±)-2-Azabicyclo[2.2.1]hept-5-en-3-one, 2-Azabicyclo[2.2.1]hept-5-en-3-one (Vince lactam)

2-Azabicyclo[2.2.1]hept-5-en-3-one (CAS 49805-30-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H7NO and a molecular weight of 109.126 g/mol. Key properties include a melting point of 54-58 °C(lit.), a boiling point of 319.3±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 167.1±9.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
49805-30-3
Jingsj CID
J-1347623-8
Molecular Formula
C6H7NO
Molecular Weight
109.126 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point54-58 °C(lit.)
Boiling Point319.3±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point167.1±9.8 °C
Exact Mass109.052765
PSA29.10000
LogP-1.22
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.546
Additional Property>1000 g/L (23 ºC)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H317 — May cause an allergic skin reaction

Customs & Trade Information

HS Code2933790090
Summary2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-Azabicyclo[2.2.1]hept-5-en-3-one?

The CAS number of 2-Azabicyclo[2.2.1]hept-5-en-3-one is 49805-30-3.

What are the molecular formula and molecular weight of 2-Azabicyclo[2.2.1]hept-5-en-3-one?

2-Azabicyclo[2.2.1]hept-5-en-3-one has molecular formula C6H7NO and molecular weight 109.126 g/mol.

Is 2-Azabicyclo[2.2.1]hept-5-en-3-one hazardous?

2-Azabicyclo[2.2.1]hept-5-en-3-one has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction.

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

Last updated:

How to cite: Jingsj. "2-Azabicyclo[2.2.1]hept-5-en-3-one (CAS 49805-30-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1347623-8 (accessed 2026-11-09).

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