5-Amino-1MQ

Certificate of Analysis & Complete Test Results

✓ Verified & Certified
Test Date
Jan 30, 2026
Batch Number
119710
Purity Level
99.55%

Certificate of Analysis

High-Performance Liquid Chromatography

Client: Peptides Canada
Sample Name: PT-141
Batch #: 119710
Report Date: 06/22/2025
Test: Purity
Receipt Date: 06/19/2025
Analysis Date: 06/22/2025
Matrix: Powder
Number of samples: 1
Purity: 99.55%

Research-grade specification: ≥95.0% — this batch exceeds specification.

Date File 119710_MS2_posneg_ PT-141_Lot119710_purity.d Sample Name PT-141_Lot119710_purity
Sample Type Sample Position P9-25
Instrument Name LCMS-7800 Series Username -
Acq Method PT141_purity_10mg.m Acquired 06/22/2025 11:15:00 PM
IRM Calibration Status Calibrated Time (UTC-07:00)
Comment Sample test for purity of PT141 batch 119710 DA Method SignalToNoiseCheckout.m
Sample Group Test Batch 3 Info. -
Stream Name LC1 Acquisition 06/22/2025 11:15:00 PM
Acquisition SW Version 6400 Series Triple Quadrupole B.09.00 (89037.0) Time (Local) (UTC-07:00)

Peak List

Time Area % Area
4.07 min 6923.5 99.55 %
6.33 min 31.2 0.45 %

* determined as PT-141 based on retention time

Note: Percent area between two compounds is not quantitative due to variable extinction coefficients.

Test Screen

UV Chromatogram:

Identity: PT-141

(Other names: Bremelanotide, PT141 Peptide, Melanocortin Receptor Agonist)

CAS: 189691-06-3

Data

Mass Spectrum

MSMS ID — head to tail database matching

Mass Spectrum Peptide Envelope encompasses the 3-7 positive change states conferring Peptide Mass

PT-141

Expected Mass: 1451.6

Observed Mass: 1451.6

Reviewed and approved by:

Herman Lelie