3-Amino-2-methyl-4(3H)quinazolinone

CAS 1898-06-2C9H9N3OChemical Synthesis

3-Amino-2-methyl-4(3H)quinazolinone (CAS: 1898-06-2), with the molecular formula C9H9N3O and a molecular weight of 175.19 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of quinazoline derivatives. This compound is typically supplied at an assay of 98%, making it suitable for research and development applications.

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3-Amino-2-methyl-4(3H)quinazolinone (C9H9N3O) — chemical structure, CAS 1898-06-2; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisHeterocyclic Building BlocksQuinazolines

01 /Applications

Organic Synthesis Intermediate

Utilised as a key intermediate in the synthesis of more complex organic molecules. Its quinazolinone core structure is frequently incorporated into novel chemical entities.

Research and Development

A useful reagent for academic and industrial laboratories exploring new synthetic pathways and developing novel compounds. Its specific functional groups allow for diverse chemical modifications.

Building Block for Heterocyclic Chemistry

Serves as a fundamental building block for the construction of various heterocyclic systems, including diverse quinazoline derivatives with potential biological activity.

02 /Properties

Molecular weight	175.19
Empirical formula	C9H9N3O
Assay	98%
Melting point	149-152 °C(lit.)

03 /Safety & handling

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

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26-36

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

04 /Identifiers & registry

CAS number

1898-06-2

MDL number

MFCD00114253

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 3-Amino-2-methyl-4(3H)quinazolinone used for?

3-Amino-2-methyl-4(3H)quinazolinone is primarily used as an intermediate in organic synthesis and as a building block for developing novel heterocyclic compounds, particularly within quinazoline chemistry.

What are the CAS number and formula for this compound?

The CAS number is 1898-06-2 and the empirical formula is C9H9N3O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 3-Amino-2-methyl-4(3H)quinazolinone with an assay of 98%. We do not represent this product as USP, BP, or EP grade.

How should 3-Amino-2-methyl-4(3H)quinazolinone be handled?

This compound is a Warning substance (GHS07) and may cause skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation.