Pyridine-d5 N-oxide

氘代吡啶-d5氮氧化物

Also known as: pyridine-d5 n-oxide, 2,3,4,5,6-pentadeuterio-1-oxidopyridin-1-ium, MFCD02093733, PYRIDINE-D5 N-OXIDE, PYRIDINE-D5 N-OXIDE, 98 ATOM % D, PYRIDINE-N-OXIDE-D5, Pyridine-d5, 1-oxide, d5-pyridine N-oxide, deuterated pyridine N-oxide, perdeuteropyridine N-oxide, pyridine 1-oxide-d5, pyridine N-oxide-d5

Pyridine-d5 N-oxide (CAS 19639-76-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5D5NO and a molecular weight of 100.13000 g/mol. It is also known as pyridine-d5 n-oxide, 2,3,4,5,6-pentadeuterio-1-oxidopyridin-1-ium and MFCD02093733. Key properties include a melting point of 61-65ºC(lit.), a boiling point of 270ºC(lit.), a density of 1.08g/cm3 and a flash point of 143ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19639-76-0
Jingsj CID
J-10780-6
Molecular Formula
C5D5NO
Chinese Name
氘代吡啶-d5氮氧化物
Molecular Weight
100.13000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point61-65ºC(lit.)
Boiling Point270ºC(lit.)
Density1.08g/cm3
Flash Point143ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Pyridine-d5 N-oxide?

The CAS number of Pyridine-d5 N-oxide is 19639-76-0.

What are the molecular formula and molecular weight of Pyridine-d5 N-oxide?

Pyridine-d5 N-oxide has molecular formula C5D5NO and molecular weight 100.13000 g/mol.

Is Pyridine-d5 N-oxide hazardous?

Pyridine-d5 N-oxide has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Pyridine-d5 N-oxide (CAS 19639-76-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10780-6 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.