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Technical & commercial enquiries: sales@rssechem.com Certificate of analysis issued per lot · Worldwide shipping

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Technical and commercial enquiries, documentation requests and quotations — reach us on whichever channel suits you. No account needed, no ticket queue.

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Where we are

Building A, Guangzhou International Biotech Innovation Center, No. 88 Science Avenue, Huangpu District
Guangzhou, Guangdong, 510663
CN

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Documentation you need
Handling

Or email sales@rssechem.com directly. We reply by email, usually within one working day.

What to send A CAS number is the fastest route. If you do not have one, any of these works: a chemical name, a SMILES or InChI string, a structure drawing, the impurity designation, or the parent drug substance plus the designation of the impurity you cannot source.
What you get back Availability — stock or lead time, per item.
Pack size — confirmed for the quantity you asked for.
Documentation — certificate of analysis per lot, SDS, specification sheet.
Shipping — packing condition and dispatch documentation.
Contact Technical & commercial: sales@rssechem.com
Documentation: technical@rssechem.com
We do not publish prices and we do not send a price list — quotations are prepared per enquiry.