Certificate of Analysis

Sample Identification

Compound	GHRP-2 (Growth Hormone Releasing Peptide-2)	Client	Numira Peptides · numira.cc
CAS Number	158861-67-7	Date Received	2026-06-11
Molecular Formula	C₄₅H₅₅N₉O₆	Date Tested	2026-06-15
Molecular Weight	817.99 g/mol	Date Reported	2026-06-19
Lot Number	NML-GHRP2-260615	Test Methods	HPLC-UV · ICP-MS · Kinetic LAL
Appearance	White lyophilised powder	PubChem CID	16135367

HPLC-UV Purity & Content Analysis

5 mg

Ordered Amount

4.96 mg

Measured Amount

98.87%

Purity (HPLC-UV)

99.2%

Recovery

Fig. 1 — HPLC-UV Chromatogram (214 nm) · Run: NML_GHRP2_260615_1.d

APPEARANCE

#	Retention Time (min)	Area	% Area	Assignment
1	2.58	1.41E+02	0.32	Unknown impurity
2	5.19	4.02E+04	98.87	GHRP-2
3	7.75	3.58E+02	0.81	Unknown impurity

Bacterial Endotoxin Test (USP <85>)

Method	Result	Specification	Verdict
Kinetic LAL (USP <85>)	< 0.125 EU/mL	≤ 0.125 EU/mL	PASS

Elemental Impurities (USP <233> / ICH Q3D)

Element	Method	Result (ppm)	Limit (ppm)	Verdict
Arsenic (As)	ICP-MS	< 0.001	2.1	PASS
Cadmium (Cd)	ICP-MS	< 0.001	0.5	PASS
Lead (Pb)	ICP-MS	< 0.001	0.5	PASS
Mercury (Hg)	ICP-MS	< 0.001	3.0	PASS

Note: Peptide samples may contain counter-ions (TFA, acetate) and excipients (mannitol, sucrose) used as lyoprotectants and pH buffers. These are not detected by UV and are not classified as impurities under USP <233>.

Analysis Performed by
Dr. M. Chen, Ph.D. (Analytical Chemistry)
Senior Analytical Chemist · Nexus Molecular Labs
info@nexusmolecularlabs.com
2026-06-19

GHRP-2 · 5 mg