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1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile

Also known as: 4-Cyano-7-azaindole, 7-Azaindole-4-carbonitrile, 4-Cyano-1H-pyrrolo[2,3-b]pyridine, 1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile(9CI)

1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile (CAS 344327-11-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H5N3 and a molecular weight of 143.145 g/mol. Key properties include a melting point of 195-197ºC and a density of 1.3±0.1 g/cm3. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
344327-11-3
Jingsj CID
J-1353198-1
Molecular Formula
C8H5N3
Molecular Weight
143.145 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point195-197ºC
Density1.3±0.1 g/cm3
Exact Mass143.048340
PSA52.47000
LogP2.60
Refractive Index1.685

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H318 — Causes serious eye damage
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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 1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile?

The CAS number of 1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile is 344327-11-3.

What are the molecular formula and molecular weight of 1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile?

1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile has molecular formula C8H5N3 and molecular weight 143.145 g/mol.

Is 1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile hazardous?

1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.

What are the upstream and downstream products of 1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile?

For 1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile, Upstream Products: Zinc cyanide, 4-Chloro-1H-pyrrolo[2,3-b]pyridine, 4-Iodo-1H-pyrrolo[2,3-b]pyridine; Downstream Products: 1H-Pyrrolo[2,3-b]pyridine-4-methanol, 1H-Pyrrolo[2,3-b]pyridine-4-carboxylic acid, 1H-pyrrolo[2,3-b]pyridine-4-carbaldehyde.

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

Last updated:

How to cite: Jingsj. "1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile (CAS 344327-11-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1353198-1 (accessed 2026-11-09).

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