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

Also known as: 5-Chloro-1-triisopropylsilanyl-1H-pyrrolo[2,3-b]pyridine, 1H-Pyrrolo[2,3-b]pyridine, 5-chloro-1-[tris(1-methylethyl)silyl]-, 5-Chloro-1-[tris(1-methylethyl)silyl]-1H-pyrrolo[2,3-b]pyridine

5-Chloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (CAS 918523-59-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H25ClN2Si and a molecular weight of 308.92200 g/mol. Key properties include a boiling point of 320.5ºC at 760 mmHg and a density of 1.05g/cm3. 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.: 918523-59-8
Jingsj CID: J-1453313-2
Molecular Formula: C₁₆H₂₅ClN₂Si
Molecular Weight: 308.92200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	320.5ºC at 760 mmHg
Density	1.05g/cm3
Exact Mass	308.14800
PSA	17.82000
LogP	5.71330
Refractive Index	1.534

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. 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-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine?

The CAS number of 5-Chloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine is 918523-59-8.

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

5-Chloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine has molecular formula C16H25ClN2Si and molecular weight 308.92200 g/mol.

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

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

For 5-Chloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine, Upstream Products: 5-Bromo-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine; Downstream Products: 5-Chloro-1H-pyrrolo[2,3-b]pyridine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-Chloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (CAS 918523-59-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1453313-2 (accessed 2026-11-09).

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