Purity

99.2%

Vial

3 mL × 10

Lot

GPB-4519

Neuro · CAS 80714-61-0

Semax

ACTH(4-10) Pro-Gly-Pro Analogue

The pre-filled pen range Ask GpharmaBio for a vial quote

UK & Europe Next-Day Delivery — Order before 1pm.Worldwide Delivery — Estimated delivery within 5–10 days.

The certificate for lot GPB-4519 is published in full further down this page.

Supplied in sealed boxes of 10 vials, one lot to a box. Single vials are not broken out of a box.

Primary sequence

MetGluHisPheProGlyPro

Physical data

Molecular formula: C₃₇H₅₁N₉O₁₀S
Molecular weight: 813.93 g/mol
CAS number: 80714-61-0
Appearance: White lyophilised cake
Solubility: Soluble in water and saline
Storage: Lyophilised: −20 °C, desiccated

Certificate of analysis

Lot GPB-4519, in full.

Published here. Nothing to request, nothing behind a form.

GpharmaBio

RESEARCH PEPTIDE LAB

part of GBAGROUP

CERTIFICATE OF ANALYSIS

GPB-4519

PRODUCT: Semax
FILL: 10 mg / 3 mL vial · box of 10
SYNTHESISED: 13 May 2026
RELEASED: 21 May 2026
RETEST: May 2028

IDENTITY

CAS NUMBER: 80714-61-0
MOLECULAR FORMULA: C₃₇H₅₁N₉O₁₀S
MOLECULAR WEIGHT: 813.93 g/mol

RP-HPLC, C18 2.7 µm 150 × 4.6 mm · 0.1% TFA / MeCN, 5–65% over 30 min · 1.0 mL/min · DAD 214 nm

Analytical purity scaleRP-HPLC area @ 214 nm

99.2%

Measured, this lot

High purity

Release specification ≥ 98.0%

99.2%

9596979899100

Red rule marks the house release limit. This lot sits 1.2 points above it. Area percent cannot see anything without a chromophore at 214 nm, which is why moisture, counterion and net peptide content are reported separately below.

TEST	RESULT, THIS LOT
RP-HPLC purity	99.2% area @ 214 nm
Identity (ESI-MS)	814.4 [M+H]⁺
D-His content	< 0.4% (chiral AAA)
Net peptide content	85.1%
Water (Karl Fischer)	2.8%
Bacterial endotoxin	< 0.10 EU/mg (LAL)

Security code

959G-VFDA

Verified by AUTHENTIX®

This is the sheet for the lot on the shelf — not a representative document. If the lot number moves on before you order, the page moves with it.

Handling

Reconstitute with bacteriostatic water for multi-draw work.
Stable ~28 days at 2–8 °C in solution.
Discard if the solution develops any visible haze.

For laboratory research use only. Not for human or veterinary consumption, diagnostic or therapeutic use.

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