3-Amino-5-(4-methoxyphenyl)pyrazole
3-Amino-5-(4-methoxyphenyl)pyrazole (CAS: 19541-95-8; C10H11N3O; MW: 189.21) is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly for creating more complex molecules. This pyrazole derivative is often employed in research and development settings within the pharmaceutical and agrochemical industries due to its structural features that allow for diverse chemical modifications and potential biological activity.

Organic Synthesis Intermediate
This compound functions as a versatile intermediate in the synthesis of diverse organic molecules. Its functional groups allow for various reactions, making it useful for constructing complex chemical structures in research and development.
Pharmaceutical Research
As a heterocyclic building block, 3-Amino-5-(4-methoxyphenyl)pyrazole is utilised in the exploration of novel pharmaceutical agents. Its structure is amenable to modifications for potential therapeutic applications.
Agrochemical Development
This pyrazole derivative can be employed in the research and development of new agrochemical compounds. Its structural motif may contribute to the design of compounds with desired pesticidal or herbicidal properties.
| Molecular weight | 189.21 |
|---|---|
| Empirical formula | C10H11N3O |
| Assay | 97% |
| Melting point | 140-144 °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-5-(4-methoxyphenyl)pyrazole used for?
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3-Amino-5-(4-methoxyphenyl)pyrazole (CAS: 19541-95-8) is primarily used as a building block in organic synthesis, particularly in pharmaceutical and agrochemical research and development.
What are the CAS number and formula for 3-Amino-5-(4-methoxyphenyl)pyrazole?
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The CAS number is 19541-95-8 and the empirical formula (Hill notation) is C10H11N3O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Amino-5-(4-methoxyphenyl)pyrazole with an assay of 97%. We do not represent this product as USP, BP, EP, or for pharmaceutical, nutraceutical, or food use.
How should 3-Amino-5-(4-methoxyphenyl)pyrazole be handled safely?
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This compound is a Warning substance (GHS07) and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate PPE, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes and seek medical advice.
Is 3-Amino-5-(4-methoxyphenyl)pyrazole a controlled substance?
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The provided data does not indicate that 3-Amino-5-(4-methoxyphenyl)pyrazole is a controlled substance.
How is this chemical packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Packaging is designed to ensure product integrity during transit. Please contact us for specific export and shipping details.
How can I request a sample or quote?
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To request a sample or a quote for 3-Amino-5-(4-methoxyphenyl)pyrazole, please use the contact form on our website or contact our sales department directly.
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