Purity

99.5%

Vial

3 mL × 10

Lot

GPB-4566

Immune · CAS 67727-97-3

KPV

α-MSH(11-13) Tripeptide

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

The certificate for lot GPB-4566 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

LysProVal

Physical data

Molecular formula: C₁₆H₃₀N₄O₄
Molecular weight: 342.44 g/mol
CAS number: 67727-97-3
Appearance: White lyophilised powder
Solubility: Freely soluble in water
Storage: Lyophilised: −20 °C, desiccated

Certificate of analysis

Lot GPB-4566, in full.

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

GpharmaBio

RESEARCH PEPTIDE LAB

part of GBAGROUP

CERTIFICATE OF ANALYSIS

GPB-4566

PRODUCT: KPV
FILL: 10 mg / 3 mL vial · box of 10
SYNTHESISED: 5 Feb 2026
RELEASED: 13 Feb 2026
RETEST: Feb 2028

IDENTITY

CAS NUMBER: 67727-97-3
MOLECULAR FORMULA: C₁₆H₃₀N₄O₄
MOLECULAR WEIGHT: 342.44 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

99.5%

Measured, this lot

Ultra-high purity

Release specification ≥ 98.0%

99.5%

9596979899100

Red rule marks the house release limit. This lot sits 1.5 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	99.5% area @ 214 nm
Identity (ESI-MS)	356.2 [M+H]⁺
Net peptide content	89.2%
Water (Karl Fischer)	2.4%
Residual TFA	0.11%
Bacterial endotoxin	< 0.10 EU/mg (LAL)

Security code

0YZ0-HMNR

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

Matte cake is correct; a glassy cake indicates moisture ingress.
Stable ~30 days at 2–8 °C in solution.
Compatible with standard phosphate and acetate buffers.

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

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