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HeLixPeptides

Certificate

HLX-O304-2609-A

O-304 · 10 mg

Substance
O-304
Fill
10 mg
CAS
1261289-04-6
HPLC
≥98% HPLC
Observed mass
380.05 Da
Theoretical
380.25 Da
Net peptide
78 %
Endotoxin
< 0.5 EU/mg
Bioburden
No growth on cake, 14-day (reagent, not a parenteral licence)
Elemental
Pb, Cd, As, Hg below ICH Q3D option 1
Method
HPLC-UV 214 nm + ESI-MS
Laboratory
Independent EU HPLC-MS contract laboratory
Report ID
IEU-2609-118
Issued
2026-09-04
SKU
HLX-019

Schematic HPLC-UV 214 nm. The tall peak is the analyte. Full trace is on report IEU-2609-118.

Five things on the lot file

HLX-O304-2609-A

Purity

≥98% HPLC

The tall peak is the named compound. The small rises are everything else in the vial. That difference is HPLC purity — a number, not a badge. It is not net peptide content.

Open the SKUAll certificates

Research use only. A CoA is not a licence to use in vivo.