Skip to main content

4-amino-2,6-dimethoxypyrimidine

Also known as: 2,6-dimethoxypyrimidin-4-amine, 2,6-dimethoxy-4-pyrimidinamine, 2,6-dimethoxypyrimidine-4-amine, 2,6-dimethoxy-4-aminopyrimidine, 4-amino-2,6-dimethoxy, 4-amino-2,6-dimethoxypyrimidine, 6-amino-2,4-dimethoxypyrimidine, 2,4-dimethoxy-6-aminopyrimidine, 2,6-dimethoxy-4-pyrimidinamin, 4-pyrimidinamine, 2,6-dimethoxy-, MFCD00082802, EINECS 221-946-2

4-amino-2,6-dimethoxypyrimidine (CAS 3289-50-7) 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 melting point of 149-152 °C(lit.), a boiling point of 340.1±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 159.5±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3289-50-7
Jingsj CID
J-11551-3
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 quote

Physicochemical Properties

Melting Point149-152 °C(lit.)
Boiling Point340.1±45.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point159.5±28.7 °C
Exact Mass155.069473
PSA70.26000
LogP1.14
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.547

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933599090
Summary2933599090. 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-2,6-dimethoxypyrimidine?

The CAS number of 4-amino-2,6-dimethoxypyrimidine is 3289-50-7.

What are the molecular formula and molecular weight of 4-amino-2,6-dimethoxypyrimidine?

4-amino-2,6-dimethoxypyrimidine has molecular formula C6H9N3O2 and molecular weight 155.155 g/mol.

Is 4-amino-2,6-dimethoxypyrimidine hazardous?

4-amino-2,6-dimethoxypyrimidine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 4-amino-2,6-dimethoxypyrimidine?

For 4-amino-2,6-dimethoxypyrimidine, Upstream Products: 6-chloro-2,4-dimethoxypyrimidine; Downstream Products: Sulfadimethoxine, 2,4-dimethoxy-7H-pyrrolo[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. "4-amino-2,6-dimethoxypyrimidine (CAS 3289-50-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11551-3 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.