5-Amino-2-chloropyrimidine
Also known as: 2-chloropyrimidin-5-amine, 2-chloro-5-pyrimidinamine, 2-chloro-pyrimidin-5-ylamine, 5-Pyrimidinamine, 2-chloro-, 5-amine-2-Chloropyrimidine
5-Amino-2-chloropyrimidine (CAS 56621-90-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4ClN3 and a molecular weight of 129.548 g/mol. Key properties include a melting point of 198-199℃, a boiling point of 338.8±15.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 158.7±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 56621-90-0
- Jingsj CID
- J-1400414-9
- Molecular Formula
- C4H4ClN3
- Molecular Weight
- 129.548 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 198-199℃ |
|---|---|
| Boiling Point | 338.8±15.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 158.7±20.4 °C |
| Exact Mass | 129.009369 |
| PSA | 51.80000 |
| LogP | 0.13 |
| Appearance | Crystalline Powder or Solid | Yellow to brown |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.618 |
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 5-Amino-2-chloropyrimidine?
The CAS number of 5-Amino-2-chloropyrimidine is 56621-90-0.
What are the molecular formula and molecular weight of 5-Amino-2-chloropyrimidine?
5-Amino-2-chloropyrimidine has molecular formula C4H4ClN3 and molecular weight 129.548 g/mol.
What are the upstream and downstream products of 5-Amino-2-chloropyrimidine?
For 5-Amino-2-chloropyrimidine, Upstream Products: 2-Chloro-5-nitropyrimidine, 5-nitropyrimidin-2(1H)-one; Downstream Products: 2-Chloro-5-hydroxypyrimidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Amino-2-chloropyrimidine (CAS 56621-90-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1400414-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.