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RPL Peptide

Official Technical Documentation

Product Specifications


Retatrutide — Product Specifications

General Information

Specification Detail
Product Name Retatrutide
CAS Number 2381089-83-2
Molecular Weight ~4,900 Da
Amino Acid Count 39
Peptide Type Synthetic triple receptor agonist
Target Receptors GLP-1R, GIPR, GCGR
Research Category Metabolic Research Peptides

Physical Properties

Property Specification
Appearance White to off-white lyophilized powder
Odor Odorless or slight acetic
pH (1% Solution) 4.0–6.5
Solubility in Water Soluble (≥10 mg/mL)
Solubility in PBS Soluble (≥10 mg/mL)
Solubility in Saline Soluble (≥10 mg/mL)
Melting Point Decomposes >200°C
Hygroscopicity Hygroscopic — protect from moisture

Purity & Quality Specifications

Parameter Specification Analytical Method
HPLC Purity ≥99.0% HPLC at 214 nm
Peptide Content 70–90% UV / Amino Acid Analysis
Water Content <5.0% Karl Fischer Titration
Endotoxin <5 EU/mg LAL Method
Counterion (TFA) <1.0% HPLC / Ion Chromatography
Identity ±0.5 Da LC-MS

Packaging Specifications

Parameter Standard Custom
Package Sizes 10, 15, 20, 30, 40, 50, 60 mg Upon request
Vial Material Type I borosilicate glass Custom labeling available
Packaging Quantity 10 vials per box (standard) Bulk packaging available

Storage & Shipping

Condition Duration
Lyophilized at -20°C 2+ years
Lyophilized at 2–8°C 12 months
UN Number Not regulated
Transport Ambient, 2–8°C cold-chain, or -20°C dry ice

Regulatory Classification

  • GHS Classification: Not classified as hazardous in solid form under normal handling conditions
  • Intended Use: Laboratory research use only

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