ECHEMI offers a comprehensive range of analytical chemistry products that cater to various research and testing needs. Here are some key categories and specific products available on the platform:
Analytical Chemistry Products

1. Standards
- Zinc (Zn): CAS No. 52374-36-4, used as a standard in analytical chemistry.
- Bromide (Br): CAS No. 24959-67-9, a halogen anion used in various analytical procedures.
- (±)-Naproxen: CAS No. 23981-80-8, a white solid used as a standard.

2. Dissolving Agents
- Water (H₂O): CAS No. 7732-18-5, available in various purities including ultrapure water for analytical use.

3. Analysis Reagents
- 3,5-Dimethylpyrazole: CAS No. 67-51-6, used in the preparation of pyrazolato ligated complexes and as an intermediate for organic dyestuffs.
- 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES): CAS No. 7365-45-9, a zwitterionic buffering agent widely used in cell culture.
- Chlorotrimethylsilane: CAS No. 75-77-4, used for silylation and as a protection group in organic synthesis.
Additional Information
ECHEMI provides a wide array of analytical chemistry products, including standards, reagents, and solvents. These products are essential for various applications in analytical chemistry, such as qualitative and quantitative analysis, separation techniques, and more. The platform connects buyers with reliable suppliers, ensuring high-quality products and efficient transactions.

For more detailed information or specific product inquiries, you can visit the ECHEMI website or contact their customer service for assistance.