Kolkata peptide research: sourcing, purity and logistics

The legal position, stated plainly

The classification is research reference material for in-vitro characterisation, and it does not change by destination. No item is a medicinal product, and none is offered for use in or on a person or animal. Reference material is stored lyophilised and only reaches Kolkata in that state; reconstitution happens at your bench, under your protocol. Confirming that the intended use is permitted in India sits with the buyer, not with us.

Import rules for research reference material in India remain the buyer's responsibility to confirm before ordering. Parcels are documented for inspection rather than routed to avoid it. Most enquiries we take from Kolkata start with a question about paperwork rather than price, which is usually the right instinct. Pricing is quoted in EUR, with shipping shown separately rather than folded into the unit price.

Shipping into India

Anyone ordering into Kolkata remains responsible for local research-material rules; we supply paperwork, not legal advice. Once confirmed, an order sits in preparation for one to three working days. The delivery window into Kolkata is 5–18 business days from the moment tracking goes active, and that figure is the same one we give every customer in every country. Shipments travel via a tracked delivery service; the route and carrier depend on the dispatch hub. Import rules for research reference material in India remain the buyer's responsibility to confirm before ordering.

Deliveries to the wider Kolkata area run on the same schedule as the core. Batch numbers on the vial cap should match the certificate exactly — if they do not, stop and ask us before opening anything. Nearby Indore is covered on the same terms. You get a tracking reference at dispatch and a named contact who stays available while the parcel is moving. Couriers serving Kolkata occasionally hold parcels for documentation, which is why the research-use declaration travels with every shipment.

Useful alongside this page: CJC-1295 stability and handling, damage and refund terms, recent research write-ups, the compound selection walkthrough.

Analysis, testing and what the certificate covers

Our documentation is written for someone who will have to defend the sourcing decision later. Every batch goes through third-party HPLC purity analysis and mass-spec identity confirmation before it is released. A purity figure without a chromatogram is marketing; the certificate carries both. Documents are sent on request ahead of payment so nothing is bought sight-unseen from Kolkata.

We do not run discounts, so the figure you see is the figure you pay. Certificates are reissued on request for archive purposes. Groups running the same protocol in Kolkata and Indore can request matched batch numbers so both sites work from one certificate. Cold-chain packaging is sized for the Kolkata transit window rather than a generic European one.

Closing notes for Kolkata

None of this is complicated once the documentation habit is in place. Ask for the batch certificate, check it against the vial that arrives in Kolkata, store the material properly in the first hour, and the supply side of your project stops being a variable.

Kolkata, India supply notes · in-vitro research use only · no dosing information published.