2-Amino-4,5-dimethylthiazole hydrochloride
2-Amino-4,5-dimethylthiazole hydrochloride (CAS 71574-33-9) is a heterocyclic organic compound with a molecular weight of 164.66 g/mol. Supplied by Tech Serve Solutions as a technical grade reagent, this chemical serves as a valuable building block in synthetic organic chemistry. Its primary application lies in the preparation of more complex molecules, particularly within pharmaceutical research and chemical synthesis, owing to its reactive amino and thiazole functionalities.
- Synonyms
- C5H8N2S · HCl

Synthetic Intermediate
2-Amino-4,5-dimethylthiazole hydrochloride is utilised as a key intermediate in the synthesis of diverse organic compounds. It is specifically employed in the preparation of 2-[3-[3-(piperidinomethyl)phenoxy]propionamido]-4,5-dimethylthiazole, highlighting its utility in constructing complex molecular architectures.
Heterocyclic Building Block
As a member of the thiazole family, this compound is a crucial heterocyclic building block. Its structure facilitates its incorporation into larger molecules, making it suitable for research in medicinal chemistry and materials science where novel heterocyclic scaffolds are desired.
Chemical Synthesis Research
This chemical is a useful reagent for researchers engaged in chemical synthesis. It provides a readily available source of the 2-amino-4,5-dimethylthiazole moiety for exploration in various synthetic routes and methodologies.
| Molecular weight | 164.66 |
|---|---|
| Empirical formula | C5H8N2S · HCl |
| Assay | 98% |
| Application | 2-Amino-4,5-dimethylthiazole hydrochloride may be used in the synthesis of 2-[3-[3-(piperidinomethyl)phenoxy]propionamido]-4,5-dimethylthiazole. |
| Melting point | 273-274 °C (dec.)(lit.) |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 2-Amino-4,5-dimethylthiazole hydrochloride used for?
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2-Amino-4,5-dimethylthiazole hydrochloride is used as a building block and intermediate in chemical synthesis, particularly for preparing more complex organic molecules like 2-[3-[3-(piperidinomethyl)phenoxy]propionamido]-4,5-dimethylthiazole.
What is the CAS number and formula for 2-Amino-4,5-dimethylthiazole hydrochloride?
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The CAS number is 71574-33-9 and the empirical formula (Hill notation) is C5H8N2S · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Amino-4,5-dimethylthiazole hydrochloride with an assay of 98%. It is supplied as a technical/research grade material and TSS does not represent it as USP, BP, or EP grade.
How should 2-Amino-4,5-dimethylthiazole hydrochloride be handled safely?
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This compound is classified as Danger, with hazards including H302 (Harmful if swallowed), H315 (Causes skin irritation), H318 (Causes serious eye damage), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, and gloves. Ensure good ventilation.
Is 2-Amino-4,5-dimethylthiazole hydrochloride a controlled substance?
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The provided data does not indicate that 2-Amino-4,5-dimethylthiazole hydrochloride is a controlled substance.
How is 2-Amino-4,5-dimethylthiazole hydrochloride packed and shipped?
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As a global supplier and exporter of fine chemicals, Tech Serve Solutions ensures appropriate packaging for international shipment, adhering to all relevant transport regulations for hazardous materials.
How can I request a sample or quote for 2-Amino-4,5-dimethylthiazole hydrochloride?
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To request a sample or obtain a quote, please contact the Tech Serve Solutions sales team through the provided contact channels on our website.
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