![Molecular structure of 1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile (CAS 517918-95-5)](/images/chem_structures_svg/240/517918-95-5.svg)
1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile
Also known as: 5-Cyano-7-azaindole, 7-Azaindole-5-carbonitrile, 5-Cyano-1H-pyrrolo[2,3-b]pyridine
1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile (CAS 517918-95-5) 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 225.1-225.2ºC, a boiling point of 373.2±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 127.3±7.5 °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.
- 517918-95-5
- Jingsj CID
- J-1410275-1
- Molecular Formula
- C8H5N3
- Molecular Weight
- 143.145 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 225.1-225.2ºC |
|---|---|
| Boiling Point | 373.2±22.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 127.3±7.5 °C |
| Exact Mass | 143.048340 |
| PSA | 52.47000 |
| LogP | 2.09 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.685 |
GHS Safety & Compliance
- 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 1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile?
The CAS number of 1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile is 517918-95-5.
What are the molecular formula and molecular weight of 1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile?
1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile has molecular formula C8H5N3 and molecular weight 143.145 g/mol.
Is 1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile hazardous?
1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile?
For 1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile, Upstream Products: Zinc cyanide, 5-Bromo-7-azaindole; Downstream Products: 1H-Pyrrolo[2,3-b]pyridine-5-carboxylic acid, ethyl 1H-pyrrolo[2,3-b]pyridine-5-carboxylate, 1-Methyl-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid.
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-5-carbonitrile (CAS 517918-95-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1410275-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.