4,6-Dichloro-5-methoxypyrimidine

CAS 5018-38-2C5H4Cl2N2OChemical Synthesis

4,6-Dichloro-5-methoxypyrimidine (CAS 5018-38-2) is a halogenated heterocyclic organic compound with the molecular formula C5H4Cl2N2O and a molecular weight of 179.00 g/mol. This pyrimidine derivative serves as a valuable building block in chemical synthesis, particularly for the development of novel pharmaceutical intermediates and complex organic molecules. Its defined structure and reactivity make it an essential reagent for researchers and chemists.

Synonyms: C5H4Cl2N2O

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4,6-Dichloro-5-methoxypyrimidine (C5H4Cl2N2O) — chemical structure, CAS 5018-38-2; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisHalogenated HeterocyclesHeterocyclic Building BlocksPyrimidines

01 /Applications

Pharmaceutical Intermediate Synthesis

Utilised as a key intermediate in the synthesis of various pharmaceutical agents. Its reactive chlorine atoms and methoxy group allow for diverse derivatisation pathways critical in drug discovery and development.

Organic Synthesis Reagent

Serves as a versatile building block for constructing more complex heterocyclic systems. It is employed in academic and industrial research laboratories for the creation of novel organic compounds with potential applications in medicinal chemistry and materials science.

Research and Development

Essential for R&D projects exploring new synthetic routes and target molecules. Its specific functional groups enable chemists to design and execute multi-step syntheses for advanced chemical entities.

02 /Properties

Molecular weight	179.00
Empirical formula	C5H4Cl2N2O
Assay	97%
Melting point	54-58 °C

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Danger

Hazard statements

H302Harmful if swallowed
H318Causes serious eye damage

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22-41
Safety statements (S)	26-39

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

5018-38-2

MDL number

MFCD00087680

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 4,6-Dichloro-5-methoxypyrimidine used for?

4,6-Dichloro-5-methoxypyrimidine is primarily used as a building block in organic synthesis and as an intermediate in the development of pharmaceutical agents.

What is the CAS number and formula for 4,6-Dichloro-5-methoxypyrimidine?

The CAS number is 5018-38-2 and the empirical formula (Hill notation) is C5H4Cl2N2O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 4,6-Dichloro-5-methoxypyrimidine with an assay of 97%. TSS does not represent this product as USP, BP, EP, or any pharmacopoeia grade.

How should 4,6-Dichloro-5-methoxypyrimidine be handled safely?

This compound is classified as Danger, with hazards H302 (Harmful if swallowed) and H318 (Causes serious eye damage). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be worn. In case of eye contact, rinse cautiously with water for several minutes and seek immediate medical attention.