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For Research Use Only. Not for human or veterinary consumption, diagnostic, or therapeutic use. Sold exclusively to qualified research professionals.

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For Research Use Only. Not for human consumption.

DSIP research peptide vial, Fifth Ave Labs

100 in stock

  • ≥99% Purity (HPLC)
  • 3rd-Party Verified
  • Research Use Only
  • Trusted by Researchers
  • HPLC Verified

99.6%

Independent purity assay

  • Tested

US ISO-Accredited Lab

Janoshik Analytical · ISO 17025

3rd-Party Verified Purity

  • 99.2%
View Certificate of Analysis — FAP-262024-001
View COA
Description

DSIP is a 9-amino-acid peptide used in in vitro research on hypothalamic cell signaling and receptor-binding models.

  • Purity: ≥99% by HPLC
  • Sequence: Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu
  • Molecular formula: C35H48N10O15
  • Molecular weight: 848.81 g/mol
  • CAS: 62568-57-4
  • Form: Lyophilized powder
  • Storage: -20°C, protect from light
  • Third-party verified COA included with every batch

For research use only. Not for human or veterinary use.

Shipping & Returns

Free standard shipping on orders over $200

Express shipping available at checkout

All sales are final — no returns or exchanges, as these are research-use peptides

Orders ship in discreet, tracked packaging

Storage & Handling

Store sealed lyophilized vials at -20°C, protected from light and moisture

Short-term storage (up to 30 days) acceptable at 2–8°C in original packaging

Avoid repeated freeze-thaw cycles

For research use only — handle according to your laboratory’s standard safety practices

DSIP

4.9 (412 verified reviews)

30 researchers bought this in the last 24 hours

$99.99

100 in stock

This batch · 99.3% HPLC · Lot DSI-261923-008 · JanoshikView COA →
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Estimated Delivery

Order in 10h 36m for same-day shipping

Order placed

Today

Fulfillment

Today

Shipped

Tomorrow

Delivered

2–4 days

Discreet packaging · Cold-chain where required · Fully tracked

Third-Party Tested

Independent HPLC purity verification

Discreet Packaging

Plain box, no branding outside

Free Reship if Damaged

Arrives broken? We send a new one

Reship policy: If your order arrives damaged or contaminated, we will reship a replacement free of charge. Refunds are not offered, only replacements, so every shipment is protected.

Bulk / Institutional Pricing

Ordering 10+ vials? Get a custom quote with volume-tier pricing and purchase order terms.

Same-Day Ship

Order by 2pm ET

COA per Batch

HPLC + Mass Spec

Discreet

Plain packaging

Verified Researcher Reviews

From qualified research professionals — institutional affiliation verified

4.9

(412 verified)

★ ★ ★ ★ ★

Very impressed with the consistent quality and professionalism. The product was securely packaged, clearly labeled, and the Certificate of Analysis was available immediately. I'll definitely continue ordering from Fifth Ave Peptides.

Easton Fletcher Verified Researcher
★ ★ ★ ★ ★

Great overall experience. Delivery was delayed slightly, but the product quality, professional presentation, and complete documentation easily made up for the extra wait.

Rhett Campbell Verified Researcher
★ ★ ★ ★ ★

Everything arrived in perfect condition with excellent packaging and accurate labeling. The COA matched the batch details perfectly, making the entire purchasing experience very reliable.

Mason Gallagher Verified Researcher
★ ★ ★ ★ ★

Fast shipping, secure packaging, and outstanding attention to detail. The documentation was complete, and the ordering process was smooth from checkout to delivery.

Tristan Holloway Verified Researcher
★ ★ ★ ★ ★

Excellent product presentation and premium packaging. The Certificate of Analysis was easy to review, the batch information was clearly labeled, and everything arrived exactly as described. A very professional experience overall.

Everett Dawson Verified Researcher

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Frequently Asked Questions

Everything researchers ask before ordering peptides.

All orders ship in plain, discreet packaging with no external branding. Tracking is provided by email within 24 hours. Lyophilized peptides are temperature-stable in transit and do not require refrigerated shipping.

Sealed and stored at −20°C, the lyophilized powder remains stable for 24+ months.

Yes. Every order ships with a batch-specific COA from an independent ISO/IEC 17025 accredited lab. You can preview the current batch COA above before ordering.

We accept all major credit cards and select alternative methods. Charges appear under a discreet, non-descriptive merchant name on your statement.

We ship within the United States only at this time. International researchers should review their local regulations regarding research-use peptides before placing inquiries.

Store sealed lyophilized vials at -20°C, protected from light and moisture, in the original packaging. Short-term storage (up to 30 days) at 2–8°C is acceptable. Avoid repeated freeze-thaw cycles.

Because these are research-use peptides, all sales are final. If your order arrives damaged or incorrect, contact us within 7 days and we will reship or refund.

No. All products are sold strictly For Research Use Only (RUO). They are not drugs, supplements, cosmetics, or food and are not intended for human or veterinary consumption.

Frequently Researched Together

Other catalog compounds frequently viewed by researchers.

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Made in USA

ISO 9001 certified facility

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3rd-Party Tested

Janoshik Analytical

8,000+ Labs

Trusted since 2021

92% Reorder Rate

Within 60 days

Purity Guarantee

Every vial meets ≥99% purity or we replace it. If it doesn't match its COA, we make it right.

Same-Day Ship from New York

Orders placed by 2pm ET ship the same day from Fifth Avenue. Discreet, tracked, insured.

3rd-Party Verified

Every batch is independently tested by accredited labs. COA published before it ships.

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Certificate of Analysis

DSIP

Independently tested by Janoshik Analytical, s.r.o.

BatchFAP-262024-001
Test MethodRP-HPLC + LC-MS
ManufacturedMay 3, 2026
TestedMay 15, 2026
ExpiresMay 2028
LaboratoryISO/IEC 17025 accredited
Overall Purity 99.5%

PASSED ALL TESTS

Analytical Results

Test Result Specification Status
Identity (LC-MS) Confirmed Conforms PASS
Purity (HPLC-UV) 99.5% ≥ 98.0% PASS
Related substances < 1.0% ≤ 2.0% PASS
Water content (KF) 1.8% ≤ 5.0% PASS
Residual solvents Not detected ICH Q3C PASS
Heavy metals (ICP-MS) < 1 ppm ≤ 10 ppm PASS
Bacterial endotoxins < 0.125 EU/mg ≤ 0.5 EU/mg PASS
Sterility Pass USP USP PASS

This Certificate of Analysis is issued by an independent ISO/IEC 17025 accredited laboratory and verifies the identity, purity, and quality of the batch listed above. A copy is shipped with every order.