![Molecular structure of 1H-Pyrrolo[2,3-d]pyrimidine (CAS 271-70-5)](/images/chem_structures_svg/158/271-70-5.svg)
1H-Pyrrolo[2,3-d]pyrimidine
Also known as: 7H-Pyrrolo[2,3-d]pyrimidine, 3H-Pyrrolo[2,3-d]pyrimidine, 7-Deazapurine, NSC 94210, pyrrolo[2,3-d]pyrimidine, 1h-pyrrolo(2,3-d)pyrimidine
1H-Pyrrolo[2,3-d]pyrimidine (CAS 271-70-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5N3 and a molecular weight of 119.124 g/mol. Key properties include a melting point of 133ºC, a boiling point of 288.3±13.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 141.8±12.8 °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.
- 271-70-5
- Jingsj CID
- J-19294-9
- Molecular Formula
- C6H5N3
- Molecular Weight
- 119.124 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 133ºC |
|---|---|
| Boiling Point | 288.3±13.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 141.8±12.8 °C |
| Exact Mass | 119.048347 |
| PSA | 41.57000 |
| LogP | 0.23 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.715 |
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-d]pyrimidine?
The CAS number of 1H-Pyrrolo[2,3-d]pyrimidine is 271-70-5.
What are the molecular formula and molecular weight of 1H-Pyrrolo[2,3-d]pyrimidine?
1H-Pyrrolo[2,3-d]pyrimidine has molecular formula C6H5N3 and molecular weight 119.124 g/mol.
Is 1H-Pyrrolo[2,3-d]pyrimidine hazardous?
1H-Pyrrolo[2,3-d]pyrimidine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 1H-Pyrrolo[2,3-d]pyrimidine?
For 1H-Pyrrolo[2,3-d]pyrimidine, Upstream Products: 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine, 1,2,3,4-Tetrahydro-2-naphthol, Pyrrolo[2,3-d]pyrimidin-4-ol; Downstream Products: 7H-Pyrrolo[2,3-d]pyrimidine-5-carbaldehyde, 5-Bromo-7H-pyrrolo[2,3-d]pyrimidine.
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-d]pyrimidine (CAS 271-70-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19294-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.