WesynTech (Shanghai) Pharmaceutical Technology Co., Ltd

Pharmaceutical Intermediates

Key intermediates and starting materials carried forward into API routes.

7 compounds in this group

Why these are grouped together

Intermediates are judged on whether the next step works, so this group is described by what a chemist can do with each compound — the halide that survives a coupling, the protected amine that deprotects cleanly, the ring system that is tedious to build in-house. These are the positions in a route where buying beats making.

  • Repeat supply matters more than a single sample — campaigns are planned, not improvised.
  • Scale-up from the same route rather than a different one found later.
  • Partner plants stand behind the volumes the laboratory cannot cover alone.
7compounds with a detail page
672compounds in the full catalogue
g → 100 kgsupply scale from one team
−70 → 200 °Cpilot-plant reaction window

Questions buyers ask about this group

How many pharmaceutical intermediates does WesynTech list?

7 compounds in this group have a detail page on this site, drawn from the company's own product centre. The wider catalogue holds 672 compounds in total.

Can pharmaceutical intermediates be supplied at production scale?

In-house capability runs from gram to hundred-kilogram scale for every compound listed under Pharmaceutical Intermediates. Larger industrial volumes are produced through long-term partnerships with several chemical plants, using the route already developed rather than a new one.

What if the compound I need is close to one of these but not identical?

Send the structure rather than the nearest pharmaceutical intermediate on the list. Custom synthesis for early-stage R&D projects is one of WesynTech's three core services, and a near-miss on a catalogue is the usual reason people start one.

Get this group quoted

List the CAS numbers and quantities you need. One e-mail reaches the chemists, not a call centre.