3-Amino-2-isopropyl-4(3H)-quinazolinone
3-Amino-2-isopropyl-4(3H)-quinazolinone (CAS 70589-51-4; C11H13N3O; MW 203.24) is a heterocyclic organic compound recognised as a valuable building block in chemical synthesis. It is commonly employed in the development of novel molecular structures within pharmaceutical research and other advanced chemical applications. Its defined structure and purity make it a reliable intermediate for creating more complex compounds.

Pharmaceutical Intermediate
Utilised in the synthesis of potential drug candidates and active pharmaceutical ingredients (APIs). Its quinazolinone core is a recognised pharmacophore in medicinal chemistry.
Organic Synthesis Reagent
Serves as a key starting material or intermediate in multi-step organic synthesis pathways. Enables the construction of complex heterocyclic systems.
Research and Development
A useful compound for academic and industrial research laboratories exploring new chemical entities and reaction methodologies. Facilitates studies in medicinal chemistry and materials science.
| Molecular weight | 203.24 |
|---|---|
| Empirical formula | C11H13N3O |
| Assay | 99% |
| Melting point | 104-106 °C(lit.) |

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.
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.
What is 3-Amino-2-isopropyl-4(3H)-quinazolinone used for?
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This compound is primarily used as a building block in organic synthesis, particularly in the development of pharmaceutical intermediates and novel chemical structures for research.
What are the CAS number and molecular formula for this compound?
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The CAS number is 70589-51-4, and the molecular formula is C11H13N3O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Amino-2-isopropyl-4(3H)-quinazolinone with a minimum assay of 99%. This product is intended for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
How should 3-Amino-2-isopropyl-4(3H)-quinazolinone be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (N95 or equivalent), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. This compound is classified as a Warning with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation).
Is 3-Amino-2-isopropyl-4(3H)-quinazolinone a controlled substance?
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Based on the provided data, there is no indication that 3-Amino-2-isopropyl-4(3H)-quinazolinone is a controlled substance.
How is this chemical packed and shipped?
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Tech Serve Solutions exports chemicals globally, ensuring appropriate packaging for safe transport according to international regulations. Specific packaging details are confirmed upon order.
How can I request a sample or quote?
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To request a sample or quote for 3-Amino-2-isopropyl-4(3H)-quinazolinone, please contact our sales department through the website or by phone, providing your specific requirements.
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