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![4-methyl-3-[[4-(3-pyridinyl)-2-pyrimidinyl]amino](/i?u=https%3A%2F%2Fimg.eximnext.com%2Freserve%2F17164%2F5.jpg&w=400)



Based in China, Taizhou Diva Imp&exp Co., Ltd. lists eight distinct laboratory chemical and reagent items in its online catalogue. The catalogue includes compounds such as Echinocandin B, 4-(4-bromopyrazol-1-yl)piperidine-1-carboxylic, and 4-(4-aminophenoxy)-N-methylpicolinamide, among others. All items fall under the broader categories of Laboratory Chemicals and Laboratory Reagents as defined by the supplier. The product entries are presented without accompanying HS codes, indicating that the supplier may rely on buyer‑provided classification during order processing. These eight entries represent the full active product count reported for the company.
The chemical names suggest a focus on specialized synthetic intermediates and bioactive molecules used in research and development. Such compounds are typically required in analytical or research grade purity for pharmaceutical, biotech, and academic laboratories. The supplier’s listing format aligns with standard chemical trade catalogues that reference molecular structures rather than bulk commodity grades. Potential buyers can expect the items to be supplied in laboratory‑grade packaging such as amber glass bottles or HDPE containers. The absence of additional product details implies that specifications and safety data sheets are provided on request.
Taizhou Diva’s catalogue comprises eight individual chemical entities, each identified by its systematic name. The list includes antifungal agent Echinocandin B, halogenated heterocycles, and pyridine‑based amides, reflecting a portfolio of fine‑chemical intermediates. In the laboratory chemicals market, such compounds are typically offered in analytical grade (purity ≥ 98 %) or research grade (purity ≥ 95 %). Common specifications include documented melting point, NMR and MS spectra, and a Certificate of Analysis (CoA) confirming identity and purity. Buyers often request compliance with ISO 9001 quality management and, for pharmaceutical‑related intermediates, GMP‑compatible documentation.
The supplier lists eight laboratory‑chemical items, including Echinocandin B, various bromopyrazole‑piperidine derivatives, chloropyrimidine‑based amines, and pyridine‑amide compounds, all classified under Laboratory Chemicals and Laboratory Reagents.
The catalogue does not include HS codes; buyers typically assign the appropriate HS‑29 sub‑heading during the ordering process based on the chemical structure.
Buyers should ask for a Certificate of Analysis, a Material Safety Data Sheet, and any applicable regulatory compliance certificates such as REACH or TSCA declarations.
In the fine‑chemical market, analytical grade purity is usually ≥ 98 % and research grade is ≥ 95 %; the supplier’s CoA will specify the exact purity for each batch.
Products are normally packed in sealed amber glass bottles or HDPE containers, placed in moisture‑controlled inner packs and boxed for transport in 20‑ft or 40‑ft containers.
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