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Third-party tested Lot-specific COA Ships same day, order by 2:00 PM CT
  • Third-party tested
  • Lot-specific COA
  • Research use only

Research peptide

LA-SS

$55.00

As low as $38.50 a vial with any 5+ vials. See pricing ↓

Synthetic tetrapeptide, lyophilized · 10 mg

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

10+ vials Bulk pricing Request a quote →

Any mix counts: 2 of this plus 1 of any other product is 3 vials, so all 3 get the 3-vial price.

View COA99.64%

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Order within 3h 48m · ships today

  • Standard Sat, Nov 14 – Wed, Nov 18
  • 2-Day Sat, Nov 14
  • Overnight Fri, Nov 13

Shipment protection included

Same-day cutoff 2:00 PM CT · 3:00 PM ET · 12:00 PM PT on business days. Free standard shipping over $100.00.

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Overview

Synthetic four-amino-acid peptide (D-Arg-Dmt-Lys-Phe-NH2) supplied as lyophilized powder in a sealed vial. Every lot is tested by an independent laboratory before it is listed, and its certificate, with the methods the laboratory used, is published on this page. For laboratory research use only. Not for human or veterinary use.

Certificate of analysis

The lot you’ll receive

Every lot is tested by an independent laboratory before it ships. The lot number on your vial matches a report below.

HPLC purity 99.64%
Lot
LA-0004
Tested
Labeled
10 mg
Measured
9.54 / 9.61 mg (2 vials)
Laboratory
Janoshik
Test commissioned by
an independent testing group
Tests performed on lot LA-0004
Test Method Specification Result
Identity LC-MS Matches reference Confirmed Pass
Content LC-MS quantitation 10 mg labeled 9.54 / 9.61 mg (2 vials) Pass
Purity HPLC 99.638% / 99.659% Pass
BPC-157 screen LC-MS Not detected Pass

Some current lots were tested by an independent laboratory on our supplier’s or a testing group’s commission; the report is published exactly as the laboratory issued it, with its verification key. Lots from our own orders are tested under the Ledger Aminos name with identity, purity, amount, endotoxin, sterility, heavy metals and a fentanyl screen.

All certificates in the COA library

Specifications

Compound data

Catalog number
LA-SS
CAS number
736992-21-5
Molecular weight
639.8 g/mol
Molecular formula
C32H49N9O5
Form
Lyophilized powder
Storage
Store at −20 °C, protected from light

Lot updates

Follow LA-SS

One email each time a new lot of this compound is published, with its certificate of analysis. No offers, no schedule. Stop any time from the email.