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SPECIALIST PEPTIDE PRODUCT  ·  NOT FOR HUMAN CONSUMPTION  ·  NOT A MEDICINAL PRODUCT
Metabolic & Mitochondrial Pathways

Orexin B - 5mg

£111.00
Product details listed UK tracked dispatch Not a medicinal product

In stock

In Stock 10 available
Order before 3pm today for delivery Monday 26 Oct
Clear product listing
Tracked UK fulfilment
Plain outer packaging
Specialist peptide product. Not approved for human or veterinary use; we cannot provide medical, dosing, or administration advice.

Frequently Ordered With

Bacteriostatic Water 10ml
QuantityDiscountPrice per unit
1 – 4—£111.00
5 – 9Save £11£100
10 – 24Save £17£94
25+Save £28£83
Orexin B - 5mg £111.00  ·  Product details listed

Product details & buying guide

Orexin B: specification and product information

Orexin B - 5mg at a glance
ProductOrexin B - 5mg
Listed quantity5mg
Product codePND-OREXIN-B-5MG
Listed molecular weight2,938 Da
AvailabilityIn stock

About Orexin B

Orexin B (Hypocretin-2) is a 28-amino acid neuropeptide with a ~10-fold preference for the OX2R receptor over OX1R. It complements Orexin A in research into sleep–wake transitions, arousal, and metabolic regulation.

Orexin B: research context

  • OX2R-selective receptor pharmacology research
  • Arousal and sleep transition pathway studies
  • Comparative Orexin A vs B receptor selectivity research
  • Appetite and energy balance neuroscience research

Storage and handling of Orexin B

Store lyophilised peptide at −20°C, protected from light and moisture. Once reconstituted, store at 4°C and use within 28 days. Avoid repeated freeze–thaw cycles to preserve integrity.

Research Use Only. This product is intended solely for in vitro laboratory research. It is not approved for human or veterinary use, and must not be used as a drug, food additive, or household chemical.

COA

Analytical record for Orexin B – 5mg as supplied by our manufacturer: appearance, purity, CAS number, formula and molecular weight. This is a supplier record, not an independent third-party lab report. Batch-specific documentation is available on request.

View PDFDownload PDFAll COAs →

Buying Orexin B - 5mg in the UK

Compare the full product name and listed quantity before adding Orexin B - 5mg to your basket.

  1. Check the specification. Match the compound name, quantity and any named variant to the material you intend to order.
  2. Review documentation. Check any linked Certificate of Analysis against the batch you need. Ask about batch documentation before buying if it is not shown.
  3. Check availability and delivery. The purchase panel shows the current price and stock status. Delivery options and the final total are calculated at checkout. See UK delivery information.

Before you buy

Orexin B: frequently asked questions

Product details and buying information for Orexin B - 5mg.

Can I buy Orexin B - 5mg online?

Yes. You can buy Orexin B - 5mg directly from PeptidesNextDay. Check the current price and availability above, choose your quantity and add it to your basket. Your total is shown at checkout before payment.

What does the 5mg amount mean on this listing?

The product title lists an amount of 5mg. This is an amount of material, not a liquid volume or an mg/ml concentration. Check it alongside the full product name when comparing listings.

How do I distinguish Orexin B when ordering?

Look for Orexin B in the complete product name. Orexin A is listed separately and also has a 5mg amount, so the quantity alone will not distinguish the two products.

Can I check product documentation before buying Orexin B?

Review the product description and specification details above. If you need a Certificate of Analysis or batch-specific information for Orexin B - 5mg, contact us before buying so we can confirm what documentation is available.

How can I check delivery for Orexin B - 5mg?

Available delivery services and charges are shown at checkout for your address and basket. Check the service and total before paying. For more information, see our delivery information.

Have a question about this product? Ask our team.

Important Product Notice

PeptidesNextDay supplies specialist peptide products with clear product information and practical handling notes where available. Products are not approved for human or veterinary administration and must not be used for therapeutic, diagnostic, clinical, or self-administration purposes.

Not a Medicine: Our peptides have not been evaluated by the MHRA, FDA, or any equivalent regulatory authority for safety or efficacy in humans or animals.

Buyer Responsibility: By placing an order with PeptidesNextDay, you confirm that products will be handled only where lawful and appropriate, in accordance with applicable local laws and regulations, and that you accept full responsibility for their storage, handling, and use.

Non-Returnable Products: Due to the specialist nature of peptide compounds and the quality-control requirements of our supply chain, we are unable to accept returns once an order has been dispatched.

Proceeding with a purchase on this site constitutes your acceptance of these conditions. If you have any questions prior to ordering, our team is available via the contact page.