Isoguanine
Also known as: 2-Hydroxy-6-aminopurine, 2-Hydroxyadenine, 2-oxoadenine, 6-Amino-1,3-dihydro-2H-purin-2-one, 6-Amino-1,7-dihydropurin-2-one, 6-Amino-2-hydroxypurine, 6-Amino-7H-purin-2-ol, 6-Amino-9H-purin-2-ol, 6-Amino-3,7-dihydro-2H-purin-2-one, 6-amino-3,7-dihydro-purin-2-one, 7H-Purin-2-ol, 6-amino-, 6-Amino-3,7-dihydro-2H-purin-2-on
Isoguanine (CAS 3373-53-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5N5O and a molecular weight of 151.126 g/mol. Key properties include a melting point of 300 °C, a boiling point of 824.1±68.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 452.2±35.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3373-53-3
- Jingsj CID
- J-16062-3
- Molecular Formula
- C5H5N5O
- Molecular Weight
- 151.126 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 300 °C |
|---|---|
| Boiling Point | 824.1±68.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 452.2±35.1 °C |
| Exact Mass | 151.049408 |
| PSA | 100.71000 |
| LogP | -2.14 |
| Vapor Pressure | 0.0±3.1 mmHg at 25°C |
| Refractive Index | 1.922 |
| Additional Property | SLIGHTLY SOLUBLE |
Activity & Biological Data
| Additional Information | [1]. Bande O, et al. Isoguanine and 5-methyl-isocytosine bases, in vitro and in vivo. Chemistry. 2015 Mar 23;21(13):5009-22. |
|---|
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 Isoguanine?
The CAS number of Isoguanine is 3373-53-3.
What are the molecular formula and molecular weight of Isoguanine?
Isoguanine has molecular formula C5H5N5O and molecular weight 151.126 g/mol.
What are the upstream and downstream products of Isoguanine?
For Isoguanine, Upstream Products: 4,5,6-Triamino-2(1H)-pyrimidinone, Methanimidic acid, (Z)-, 2-(Methylthio)-9H-purin-6-amine; Downstream Products: Parabanic acid, Urea, Isoguanosine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isoguanine (CAS 3373-53-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16062-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.