Certificate of Analysis

Semax

Third-party Certificate of Analysis — purity, identity, and endotoxin screen.

Batch numberNEX-SEMAX-2026-0077Certified Mar 20, 2026Independently verified

Net weight

10mg

Manufacturing date

Mar 16, 2026

Expiry date

Mar 16, 2028

Appearance

White to off-white lyophilized powder

Storage

Store at -20C protected from light and moisture. Follow lot-specific handling SOPs after reconstitution.

HPLC purity

99.51%

RP-HPLC retention time 7.00 min.

Chromatographic profile

RT 7.00 min

Representative assay trace

HPLC purity preview

Representative UV trace

Representative HPLC trace — relative UV detector response over retention time for a peptide purity assay. Illustrative only; batch values are reported on individual COAs.

Representative profile - not an instrument trace

Identity

Expected mass

813.93 Da

Observed mass

813.97 Da

Mass error

49.14 ppm

Confirmed by

Mass Spectrometry, ESI-TOF

Formula

C₃₇H₅₁N₉O₁₀S

Assay results

Appearance

Pass

Method: Visual inspection
Specification: White to off-white lyophilized powder
Result: Conforms

HPLC purity

Pass

Method: RP-HPLC
Specification: >= 99.0%
Result: 99.51%

Molecular identity

Pass

Method: Mass spectrometry, ESI-TOF
Specification: 813.93 Da
Result: 813.97 Da

Endotoxin

Pass

Method: LAL Gel-Clot
Specification: < 1.0 EU/mg
Result: < 1.0 EU/mg

Sterility screen

Pass

Method: USP <71> adapted screen
Specification: No growth observed
Result: Passed

Parameter	Method	Specification	Result	Status
Appearance	Visual inspection	White to off-white lyophilized powder	Conforms	Pass
HPLC purity	RP-HPLC	>= 99.0%	99.51%	Pass
Molecular identity	Mass spectrometry, ESI-TOF	813.93 Da	813.97 Da	Pass
Endotoxin	LAL Gel-Clot	< 1.0 EU/mg	< 1.0 EU/mg	Pass
Sterility screen	USP <71> adapted screen	No growth observed	Passed	Pass

Verification

This branded record links to the batch verification endpoint and product catalog page for traceability.

Verify batch All COAs

Semax

Third-party Certificate of Analysis — purity, identity, and endotoxin screen.

Batch numberNEX-SEMAX-2026-0077Certified Mar 20, 2026Independently verified

Net weight

10mg

Manufacturing date

Mar 16, 2026

Expiry date

Mar 16, 2028

Appearance

White to off-white lyophilized powder

Storage

Store at -20C protected from light and moisture. Follow lot-specific handling SOPs after reconstitution.

HPLC purity

99.51%

RP-HPLC retention time 7.00 min.

Chromatographic profile

RT 7.00 min

Representative assay trace

HPLC purity preview

Representative UV trace

Representative HPLC trace — relative UV detector response over retention time for a peptide purity assay. Illustrative only; batch values are reported on individual COAs.

Representative profile - not an instrument trace

Identity

Expected mass

813.93 Da

Observed mass

813.97 Da

Mass error

49.14 ppm

Confirmed by

Mass Spectrometry, ESI-TOF

Formula

C₃₇H₅₁N₉O₁₀S