Skip to main content

5-Chloro-1H-pyrrolo[2,3-b]pyridine

Also known as: 5-Chloro-7-azaindole, 1H-Pyrrolo[2,3-b]pyridine, 5-chloro-, 5-Chloro-1H-pyrrolo[2,3-b]pyridine (CPP)

5-Chloro-1H-pyrrolo[2,3-b]pyridine (CAS 866546-07-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5ClN2 and a molecular weight of 152.58 g/mol. Key properties include a melting point of 161-162ºC, a boiling point of 290.5±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 157.1±7.4 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
866546-07-8
Jingsj CID
J-1958539-8
Molecular Formula
C7H5ClN2
Molecular Weight
152.58 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point161-162ºC
Boiling Point290.5±20.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point157.1±7.4 °C
Exact Mass152.014130
PSA28.68000
LogP2.91
AppearancePowder | White to pale brown
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.703

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

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 5-Chloro-1H-pyrrolo[2,3-b]pyridine?

The CAS number of 5-Chloro-1H-pyrrolo[2,3-b]pyridine is 866546-07-8.

What are the molecular formula and molecular weight of 5-Chloro-1H-pyrrolo[2,3-b]pyridine?

5-Chloro-1H-pyrrolo[2,3-b]pyridine has molecular formula C7H5ClN2 and molecular weight 152.58 g/mol.

Is 5-Chloro-1H-pyrrolo[2,3-b]pyridine hazardous?

5-Chloro-1H-pyrrolo[2,3-b]pyridine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of 5-Chloro-1H-pyrrolo[2,3-b]pyridine?

For 5-Chloro-1H-pyrrolo[2,3-b]pyridine, Upstream Products: 5-Chloro-3-((trimethylsilyl)ethynyl)pyridin-2-amine, 5-Chloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine, 5-chloro-3-ethynylpyridin-2-amine; Downstream Products: 5-Chloro-3-iodo-1H-pyrrolo[2,3-b]pyridine, 3-Bromo-5-chloro-1H-pyrrolo[2,3-b]pyridine, N-(3-((5-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)(hydroxy)methyl)-2,4-difluorophenyl)propane-1-sulfonamide.

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

Last updated:

How to cite: Jingsj. "5-Chloro-1H-pyrrolo[2,3-b]pyridine (CAS 866546-07-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958539-8 (accessed 2026-11-09).

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