3-Bromo-7-azaindole
Also known as: 3-Bromo-1H-pyrrolo[2,3-b]pyridine, 1H-Pyrrolo[2,3-b]pyridine, 3-bromo-, 3-BROMO-1H-PYRROLO[2,3-B]PYRIDINE
3-Bromo-7-azaindole (CAS 74420-15-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5BrN2 and a molecular weight of 197.03 g/mol. Key properties include a melting point of 185-189ºC, a boiling point of 336.4ºC at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 157.3ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic 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.
- 74420-15-8
- Jingsj CID
- J-1962141-1
- Molecular Formula
- C7H5BrN2
- Molecular Weight
- 197.03 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 185-189ºC |
|---|---|
| Boiling Point | 336.4ºC at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 157.3ºC |
| Exact Mass | 195.963608 |
| PSA | 28.68000 |
| LogP | 2.80 |
| Refractive Index | 1.728 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
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 3-Bromo-7-azaindole?
The CAS number of 3-Bromo-7-azaindole is 74420-15-8.
What are the molecular formula and molecular weight of 3-Bromo-7-azaindole?
3-Bromo-7-azaindole has molecular formula C7H5BrN2 and molecular weight 197.03 g/mol.
Is 3-Bromo-7-azaindole hazardous?
3-Bromo-7-azaindole has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 3-Bromo-7-azaindole?
For 3-Bromo-7-azaindole, Upstream Products: 7-Azaindole; Downstream Products: 3-Bromo-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine, 3-bromo-1-(4-methylbenzenesulfonyl)-1H-pyrrolo[2,3-b]pyridine, 1-benzyl-3-bromo-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:
How to cite: Jingsj. "3-Bromo-7-azaindole (CAS 74420-15-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962141-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.