Factory-direct peptide manufacturerResearch use only · B2B buyersRFQ reply within 4 business hours

SeqLine Bio · Sample kits

Sample orders · from 1 kit

Order one kit, test it, then decide.

A sample order is 1 kit (10 vials) of one compound from a released production lot, with that lot's COA. Most catalog compounds are available this way. Confirmed stock: within 3 business days after written payment confirmation; samples requiring preparation: 3–7 business days after specification and payment confirmation. Stock and the dispatch date are confirmed before payment.

1 kit = 10 vials · confirmed stock dispatches within 3 business days · RFQ reply within 4 business hours

What you receive

One kit, one lot, one COA.

The vials come from the same lot as the COA you see before you pay. You can check the lot number on the vials against the COA and against the public record.

Quantity1 kit = 10 vials, one compound and strength
FormatLyophilized powder in sealed vials, neutral label with lot number
DocumentsCOA with HPLC purity and MS molecular-weight identity; release specification NLT 98.0% by HPLC
DispatchConfirmed stock: within 3 business days after written payment confirmation; samples requiring preparation: 3–7 business days after specification and payment confirmation. Stock and the dispatch date are confirmed before payment.
PricePer compound and strength, stated in your quotation
Delivery termsDDP for eligible destinations, with total cost confirmed in writing. Transit and customs processing take additional time after dispatch.

How it works

A sample order from RFQ to reorder.

  1. Send the RFQAdd the compound and strength to the quote cart with your company, destination and research use. We reply within 4 business hours.
  2. Read the quotationPrice, dispatch date and the COA for the lot you would receive. The contracting entity, payee and production site are named in writing.
  3. Confirm and payNo payment link is sent until your company details, destination and research use are confirmed. Confirmed stock: within 3 business days after written payment confirmation; samples requiring preparation: 3–7 business days after specification and payment confirmation. Stock and the dispatch date are confirmed before payment. Tracking follows dispatch.
  4. Check and testMatch the lot number on the vials to the COA. Test in your own lab or one you choose.

If testing confirms a quality issue, we replace or refund the kit under our quality policy.

After the sample

Where to go next.

Put your label on it

Private label with your label, carton and insert from 100 kits (1,000 vials).

Private-label OEM →

Evaluating suppliers?

What to check during a trial order before you commit to one supplier.

Trial order guide →

FAQ

Sample kit questions.

Which products can I order as a 1-kit sample?

Most catalog compounds. The product page shows when a 1-kit sample is available; if it is not, the quotation states the minimum.

How fast does a sample kit ship?

Confirmed stock: within 3 business days after written payment confirmation; samples requiring preparation: 3–7 business days after specification and payment confirmation. Stock and the dispatch date are confirmed before payment.

What documents come with the kit?

The COA for the lot you receive, showing HPLC purity and MS molecular-weight identity. Our release specification is NLT 98.0% by HPLC; the COA shows the measured result. The same COA is in the public COA library.

Can I have the sample tested by another lab?

Yes. Independent testing is welcome. If a quality issue is confirmed, we replace or refund the kit under our quality policy.

What does a sample kit cost?

The price depends on the compound and strength and is stated in your quotation.

SeqLine Bio sells to B2B buyers for research use only. We do not give dosing, medical or human-use advice. See the compliance page.

Next step

Request a sample kit and read the COA first.

Tell us the compound, strength and destination. We reply within 4 business hours with price, dispatch date and the lot COA.

Send an RFQ
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