Primary manufacturers of Geldanamycin and derivatesInvivoGen; 3950 Sorrento Valley Blvd, Suite A San Diego, California 92121. Maximal single batch size, according to their statement, approx 100 gram.
InVivoGen make many different derivates besides 17DMAG and 17AAG.
USA Toll-free: 888 457 5873 Tel: 858 457 5873 Fax: 858 457 5843 Fermentek biotechnology; 25 Yatziv st, Atarot industrial zone, Jerusalem Israel.
According to their statement, they use 15 m3 fermentor, and
obtain batches as large as 10-15 Kg of pure, nigericin free Geldanamycin.
Fermentek makes 17DMAG and 17AAG, in much smaller batches. The derivates are
made synthetically from the natural Geldanamycin obtained naturally.
tel 972-2-5853953; fax 972 2 5853943 Biomol; 5120 Butler Pike; Plymouth Meeting, PA 19462. Maximal single batch size, unknown.
Biomol makes many derivates of Geldanamycin in its organic chemistry
department. It seems that they buy the raw Geldanamycin elsewhere.
LClabs claim the cheapest Geldanamycin on the market. However,
they cannot produce batches larger than one gram, as they lack fermentation
facility. Their delivery time may be sometimes undefinitely long, and
outside USA, they add package and shipment fee so high that the deal becomes
anything but cheap. We have seen on AliBaba some chinese, such as
Shanghai Younggreen Biotech .that claimed they COULD make
Geldanamycin, but strangely enough, Geldanamycin was not listed on their
catalog when we came closer, and when we asked them, they "were not in
position to supply".
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