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tert-Butyl 1H-pyrrolo[2,3-b]pyridine-1-carboxylate

Also known as: 1-Boc-7-azaindole, 7-azaindole-1-carboxylic acid tert-butyl ester, 1-(tert-Butoxycarbonyl)-7-azaindole, 1-(tert-Butoxycarbonyl)-1H-pyrrolo[2,3-b]pyridine, tert-butyl pyrrolo[2,3-b]pyridine-1-carboxylate, N-Boc-7-azaindole, 1-Boc-1H-pyrrolo[2,3-b]pyridine

tert-Butyl 1H-pyrrolo[2,3-b]pyridine-1-carboxylate (CAS 138343-77-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H14N2O2 and a molecular weight of 218.252 g/mol. Key properties include a boiling point of 327.2±34.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 151.7±25.7 °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.
138343-77-8
Jingsj CID
J-1504405-0
Molecular Formula
C12H14N2O2
Molecular Weight
218.252 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point327.2±34.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point151.7±25.7 °C
Exact Mass218.105530
PSA44.12000
LogP2.50
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.563

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 tert-Butyl 1H-pyrrolo[2,3-b]pyridine-1-carboxylate?

The CAS number of tert-Butyl 1H-pyrrolo[2,3-b]pyridine-1-carboxylate is 138343-77-8.

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

tert-Butyl 1H-pyrrolo[2,3-b]pyridine-1-carboxylate has molecular formula C12H14N2O2 and molecular weight 218.252 g/mol.

Is tert-Butyl 1H-pyrrolo[2,3-b]pyridine-1-carboxylate hazardous?

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

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

For tert-Butyl 1H-pyrrolo[2,3-b]pyridine-1-carboxylate, Upstream Products: 7-Azaindole, Di-tert-butyl dicarbonate, tert-Butyl carbamate; Downstream Products: tert-Butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine-1-carboxylate, tert-Butyl 3,5-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine-1-carboxylate, 7-Azaindole-3-boronic acid pinacol ester.

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

Last updated:

How to cite: Jingsj. "tert-Butyl 1H-pyrrolo[2,3-b]pyridine-1-carboxylate (CAS 138343-77-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504405-0 (accessed 2026-11-09).

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