4-Amino-5,6-dimethoxypyrimidine
Also known as: 5,6-Dimethoxypyrimidin-4-ylamine, 5,6-Dimethoxypyrimidin-4-amine, 5,6-Dimethoxy-4-pyrimidinamine, 4-Pyrimidinamine, 5,6-dimethoxy-, 5,6-dimethoxy-4-aminopyrimidine, Sulfadoxine Impurity 1 (5,6-Dimethoxypyrimidin-4-Amine)
4-Amino-5,6-dimethoxypyrimidine (CAS 5018-45-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H9N3O2 and a molecular weight of 155.155 g/mol. Key properties include a boiling point of 292.5±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 130.7±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5018-45-1
- Jingsj CID
- J-1010548-3
- Molecular Formula
- C6H9N3O2
- Molecular Weight
- 155.155 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 292.5±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 130.7±25.9 °C |
| Exact Mass | 155.069473 |
| PSA | 70.26000 |
| LogP | 1.09 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.547 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. 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 4-Amino-5,6-dimethoxypyrimidine?
The CAS number of 4-Amino-5,6-dimethoxypyrimidine is 5018-45-1.
What are the molecular formula and molecular weight of 4-Amino-5,6-dimethoxypyrimidine?
4-Amino-5,6-dimethoxypyrimidine has molecular formula C6H9N3O2 and molecular weight 155.155 g/mol.
What are the upstream and downstream products of 4-Amino-5,6-dimethoxypyrimidine?
For 4-Amino-5,6-dimethoxypyrimidine, Upstream Products: Methanol, 4-Amino-6-chloro-5-methoxypyrimidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Amino-5,6-dimethoxypyrimidine (CAS 5018-45-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1010548-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.