![Molecular structure of thieno[2,3-d]pyrimidin-4-amine (CAS 14080-56-9)](/images/chem_structures_svg/285/14080-56-9.svg)
thieno[2,3-d]pyrimidin-4-amine
Also known as: 4-aminothieno[2,3-d]pyrimidine, thieno[2,3-d]pyrimidin-4-ylamine, thieno[2,3-d]pyrimidine,4-amino-, thieno[2,3-d]pyrimidin-4-ylamine
thieno[2,3-d]pyrimidin-4-amine (CAS 14080-56-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5N3S and a molecular weight of 151.18900 g/mol. Key properties include a melting point of 234-236ºC, a boiling point of 346.8ºC at 760mmHg, a density of 1.485g/cm3 and a flash point of 163.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 14080-56-9
- Jingsj CID
- J-1524459-4
- Molecular Formula
- C6H5N3S
- Molecular Weight
- 151.18900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 234-236ºC |
|---|---|
| Boiling Point | 346.8ºC at 760mmHg |
| Density | 1.485g/cm3 |
| Flash Point | 163.5ºC |
| Exact Mass | 151.02000 |
| PSA | 80.04000 |
| LogP | 1.85470 |
| Vapor Pressure | 5.62E-05mmHg at 25°C |
| Refractive Index | 1.785 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 thieno[2,3-d]pyrimidin-4-amine?
The CAS number of thieno[2,3-d]pyrimidin-4-amine is 14080-56-9.
What are the molecular formula and molecular weight of thieno[2,3-d]pyrimidin-4-amine?
thieno[2,3-d]pyrimidin-4-amine has molecular formula C6H5N3S and molecular weight 151.18900 g/mol.
What are the upstream and downstream products of thieno[2,3-d]pyrimidin-4-amine?
For thieno[2,3-d]pyrimidin-4-amine, Upstream Products: 4-Chlorothieno[2,3-d]pyrimidine, Thieno[2,3-d]pyrimidin-4(3H)-one, 2,4-Dichlorothieno[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. "thieno[2,3-d]pyrimidin-4-amine (CAS 14080-56-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524459-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.