Certificate of analysis

Semaglutide

Sold as 5 mg / vial by Northlake Telehealth.

Batch NL-2406 · Sample OPT-NORTHL · received Jun 2, 2026 · reported Jun 2, 2026

What went wrong, in plain words

LC-MS

Is it the compound on the label?

Molecular ion [M+H]⁺	within tolerance	reference standard	PASS
Sequence match	Confirmed Semaglutide	reference standard	PASS

Amino acid analysis

Did you get the milligrams you paid for?

Locked

All 14 measured values, the chromatogram and the peak table are free with an account.

No card. Every result publishes either way.

RP-HPLC

What is the rest of the powder?

Main peak		≥ 98.0%
Total related impurities		≤ 2.0%

Peak	RT (min)	Area %
#1	50.0	7.2%
#2	36.0	4.9%
#3	26.9	9.6%

LAL

Is there bacterial debris in it?

Bacterial endotoxin		≤ 10 EU/mg
Microbial bioburden		≤ 10 CFU/mg

ICP-MS

Lead, arsenic, cadmium, mercury.

Industrial solvent left over from making it.