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99% Purity Retatrutide Peptide LY-3437943 for Weight Loss Research - 5mg/10mg Vials CAS 2381089-83-2 99% Purity Retatrutide Peptide LY-3437943 for Weight Loss Research - 5mg/10mg Vials CAS 2381089-83-2

99% Purity Retatrutide Peptide LY-3437943 for Weight Loss Research - 5mg/10mg Vials CAS 2381089-83-2

US$ 100.00 ~ 340.00
Min.Order: 1
Product origin: Wuhan, Hubei, China
Category: peptides
Product Name: peptides
Availability:In Stock
Product Review : 1 Reviews
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  • Product Name : Retatrutide Peptide
  • CAS Number : 2381089-83-2
  • Molecular Formula : C187H291N45O59
  • Purity : ≥99% (HPLC)
  • Appearance : White lyophilized powder
  • Molecular Weight : 4112.7 g/mol
  • Storage : -20°C, protected from light
  • Solubility : Soluble in water or sterile buffer
  • Package Size : 5mg/vial, 10mg/vial
  • Shelf Life : 24 months when properly stored
  • Grade : Research grade
  • Sterility : Sterile filtered
  • Endotoxin Level : <1 EU/mg
  • Manufacturing Standard : cGMP compliant

We see most researchers using it at the 10mg scale for longer-term metabolic work, since the binding affinity from that Aib substitution at position 2 and the C-18 diacid on Lys-26 gives it better resisance to DPP-4 cleavage than earlier GLP-1 analogs, basically lasting longer in buffer before you'd need to refresh your dosing scheme.

It runs at 4112.7 g/mol with a CAS of 2381089-83-2, and HPLC purity is consistently above 99%—we check every batch, though you'll get a COA with each shipment anyway—endotoxin is <1 EU/mg since it's sterile filtered and cGMP compliant, so it's fine for in vitro work straight out of the vial.

Storage is straight -20°C, and keep it away form light; if you reconstitute, the solution stays stable for about 3 days at 4°C, maybe 24 hours or so at room temp, so don't let it sit out. The lyophilized powder comes in 5mg or 10mg vials, and most buyers go with the 10mg because of that it's easier to aliquot for multiple assays without wasting materail.

This is really a research-grade tool for metabolic disorder studies, not something you'd use in any clinical setting or for weight loss dosing in humans—it's strictly for understanding GLP-1 receptor mechanisms or in animal models, and we always flag that on the quote.

Bulk pricing kicks in at 10 vials or more, typically 15-20% off single-unit rate depending on teh quantity and if you stick to one vial size. Lead time is usually 5-7 business days from order when our company have stock, but if we're out of lyo, it can stretch to 20 days or so—we'll tell you upfront though. Buyers ask about reconstitution buffers most often; water or sterile PBS both work fine, just don't exceed sterilization.

It's tighter tolerance than many generic GLP-1 peptides we see on the market, honestly the reproducibility batch-to-batch is why most repeat orders come in.

Frequently Asked Questions

What is your minimum order quantity for the 5mg and 10mg vials?

We have no strict MOQ on these vials — you can order as few as one vial of either size. For bulk orders (50+ vials), we can offer a discounted price, just ask.

What's the typical lead time for a small order of Retatrutide?

For small orders (under 100 vials), we usually ship within 1-2 business days after payment clears. Larger orders may take 5-7 days depending on current stock.

Do you provide a certificate of analysis for each batch?

Yes, every batch comes with a CoA showing HPLC purity ≥99%, endotoxin levels <1 EU/mg, and sterility test results. Just request it with your order.

How should I reconstitute the lyophilized powder for research?

Reconstitute with sterile water or a sterile buffer like PBS. It's soluble at room temperature — just add the buffer, swirl gently, and avoid vigorous shaking to prevent peptide degradation.

What's the best way to store opened vials to maintain stability?

Store reconstituted peptide at 2-8°C for short-term use (up to 7 days). For longer storage, keep it at -20°C, protected from light, in a sealed vial to avoid moisture. The lyophilized powder itself has a 24-month shelf life if stored properly.

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