![Molecular structure of 1H-pyrrolo[3,2-d]pyrimidin-4(5H)-one (CAS 5655-01-6)](/images/chem_structures_svg/342/5655-01-6.svg)
1H-pyrrolo[3,2-d]pyrimidin-4(5H)-one
Also known as: 1H-pyrrolo[3,2-d]pyrimidin-4(5H)-one, 1,5-dihydro-4H-pyrrolo[3,2-d]pyrimidin-4-one, 4H-pyrrolo[3,2-d]pyrimidin-4-one, 1,5-dihydro-, 1,5-dihydro-4H-pyrrolo[3,2-d]pyrimidine-4-one, 5H-pyrrolo[3,2-d]pyrimidin-4-ol
1H-pyrrolo[3,2-d]pyrimidin-4(5H)-one (CAS 5655-01-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5N3O and a molecular weight of 135.123 g/mol. Key properties include a melting point of >300ºC, a boiling point of 390.6±22.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 190.0±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 5655-01-6
- Jingsj CID
- J-854256-1
- Molecular Formula
- C6H5N3O
- Molecular Weight
- 135.123 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300ºC |
|---|---|
| Boiling Point | 390.6±22.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 190.0±22.3 °C |
| Exact Mass | 135.043259 |
| PSA | 61.54000 |
| LogP | -1.01 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.786 |
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[3,2-d]pyrimidin-4(5H)-one?
The CAS number of 1H-pyrrolo[3,2-d]pyrimidin-4(5H)-one is 5655-01-6.
What are the molecular formula and molecular weight of 1H-pyrrolo[3,2-d]pyrimidin-4(5H)-one?
1H-pyrrolo[3,2-d]pyrimidin-4(5H)-one has molecular formula C6H5N3O and molecular weight 135.123 g/mol.
What are the upstream and downstream products of 1H-pyrrolo[3,2-d]pyrimidin-4(5H)-one?
For 1H-pyrrolo[3,2-d]pyrimidin-4(5H)-one, Upstream Products: Methyl 4-oxo-4,5-dihydro-3H-pyrrolo[3,2-d]pyrimidine-7-carboxylate, Diethyl (E)-2-((2-cyanovinyl)amino)malonate; Downstream Products: 4-Bromo-7H-pyrrolo[2,3-d]pyrimidine, 5H-Pyrrolo[3,2-d]pyrimidine, 7-bromo-4-methoxy-5-[(phenylmethoxy)methyl]-, 7-Bromo-1H-pyrrolo[3,2-d]pyrimidin-4(5H)-one.
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[3,2-d]pyrimidin-4(5H)-one (CAS 5655-01-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-854256-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.