Epic Wholesalers LLC -dba-Epic Peptides Lab

Certificate of Analysis · Lot release

www.epicpeptideslab.com

Certificate no.

PL-26-00241

Verification key

JRWDLVL7

Scan or enter both at
prymalab.net/testing/verify

Certificate of Analysis · Lot release · Issued for Epic Wholesalers LLC -dba-Epic Peptides Lab

Melanotan 2 10 mg Pen

Lot PL-2610-127 · Solution · Label claim 10 mg/mL

Tested in-house by PrymaLab

In-house analytical result,
not an independent third-party test

Lot / batch number

PL-2610-127

Date made

2026-10-05

Date of analysis

2026-10-06

Date issued

2026-10-21

Retest / expiry

2028-10-05

Units in lot / sampled

393 / 2

Storage

—

Certificate type

Lot COA, 2 pages

Compound

MT-2

Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂; supplied as the acetate salt, values quoted for the free peptide

CAS number

121062-08-6

Molecular formula

C₅₀H₆₉N₁₅O₉

Theoretical mass (avg.)

1,024.18 Da

Sequence

Ac-Nle-c[EHdFRWK]-NH2

Purity · RP-HPLC, area %

99.65%

Specification ≥ 99.0% • main peak at 17.07 min

Identity · Observed Mass

1,024.22 Da

Theoretical 1,024.18 Da • +0.04 Da (39 ppm)

Overall conclusion

PASS

Meets every specification for the tests performed

Test	Method	Specification	Result	Conclusion
Identity (mass)	LC-MS, ESI positive	Theoretical ± 1.0 Da	1,024.22 Da	PASS
Purity	RP-HPLC, UV 214 nm, area%	≥ 99.0%	99.65%	PASS
Largest impurity	RP-HPLC, area%	≤ 1.0%	0.14% (RT 16.50)	PASS
Assay (label claim)	Assay vs label claim	9.5–10.5 mg/mL	10.09 mg/mL	PASS
Bacterial endotoxin	LAL, kinetic	≤ 5.0 EU/mg	0.079 EU/mg	PASS
Sterility	USP <71>, 14-day	No growth	No growth	PASS

1HPLC chromatogram

Data file: PL-2610-127-HPLC.raw · Column C18, 150 × 4.6 mm · UV 214 nm

Peak plot drawn from the integrated peak table (area %, log scale); it is not the instrument trace, which is retained in PL-2610-127-HPLC.raw. † Nominal reference retention time for the assigned impurity; the main-peak RT is observed in this lot.

Epic Wholesalers LLC -dba-Epic Peptides Lab

Certificate of Analysis · continued

Melanotan 2 10 mg Pen · Lot PL-2610-127 · Certificate PL-26-00241

Lot PL-2610-127

Method, peak table and approval

2HPLC method · PL-2610-127-HPLC.raw

Instrument

Waters Alliance e2695

Data System

Empower 3

Detector

UV absorbance

Detection Wavelength

214 nm

Column

C18, 150 × 4.6 mm, 3.5 µm

Mobile Phase A

0.1% TFA in water

Mobile Phase B

0.1% TFA in MeCN

Gradient

5–95% B over 25 min (linear)

Flow Rate

1.0 mL/min

Column Temperature

40 °C

Injection Volume

10 µL

3Gradient program

Time (min)	% A	% B
0.0	95	5
25.0	5	95

4Peak table

Peak	RT (min)	Area	Area %
1	15.80 †	—	0.12
2	16.50 †	—	0.14
3	17.07	—	99.65
4	18.30 †	—	0.09
Total		—	100.00

Peaks: 1 tryptophan oxidation product; 2 deamidation product; 3 main peak (MT-2); 4 truncated sequence · Area % from the integrated peak table (absolute areas are not part of the lot-release export) · † nominal reference RT for the assigned impurity · Purity = main peak area ÷ total integrated area × 100, to two decimals; main peak shaded.

5Identity by mass spectrometry

Instrument

Waters SQD

Ionization / Mode

ESI, positive

Reference m/z (charge)

513.10 (2+) · 342.40 (3+)

Deconvoluted Mass

1,024.22 Da

Theoretical Mass

1,024.18 Da

Difference

+0.04 Da (39 ppm)

Data File

PL-2610-127-MS.d

Acceptance

Within ± 1.0 Da

6Additional tests

Test	Performed by	Date	Report / file
Assay vs label claim	PrymaLab Analytical	2026-10-06	—
Endotoxin (LAL, kinetic)	PrymaLab Analytical	2026-10-06	—
Sterility (USP <71>, day-14 read-out)	PrymaLab Analytical	2026-10-20	—

A test with no row here was not performed on this lot. Outside-laboratory reports, when used, are attached and named below.

7Review and approval

D. Reynolds
Analyst · performed the testing
Date: 2026-10-21

S. Calloway
Reviewer · checked against raw data
Date: 2026-10-21

M. Phelps
Lab Director · approved for release
Date: 2026-10-21