AvantPeps
Supplier Test Report — LC-MS / HPLC
Product Reference
Product Identification
Product
KLOW 80 mg/vial (GHK-Cu & KPV & TB-500 & BPC-157)
Label Composition
GHK-Cu 50 mg / KPV 10 mg / TB-500 10 mg / BPC-157 10 mg
Molecular Weight
340.38 (free) / 342.44 / 889.01 / 1419.5
Analytical Method
LC-MS (identity + purity), UV 220 nm / 254 nm
Batch Details
Supplier Report No.
KLOW80-20260810S7683
Sample Received
2026-08-10
Analysis Date
2026-08-11
Data Compilation / Review
Peng Gao / Zhibo Li
Key Analytical Results
Combination Purity
Spec ≥ 99.0% (LC-MS/HPLC)
GHK-Cu Content
Label 50 mg
KPV Content
Label 10 mg
TB-500 Content
Label 10 mg
BPC-157 Content
Label 10 mg
Secondary Specifications & Limits
- Appearance
- Blue powder (spec: blue powder) — Conforms
- Purity (LC-MS/HPLC)
- 99.88% combination purity (spec ≥ 99.0%) — Conforms
- Mass spectrum identity
- [M+H]⁺ GHK-Cu; [M+H]⁺ KPV; [M+H]⁺ and [M+2H]²⁺ TB-500; [M+2H]²⁺ BPC-157 — all detected
- BPC-157 content
- 11.84 mg (label 10 mg)
- Total peptide weight found
- 85.05 mg across the four components
- Observed ions
- m/z ≈ 342 / 343 (GHK-Cu, KPV), 889 (TB-500 2+), 1419 (TB-500 1+), 711 (BPC-157 2+)
- UV chromatography
- VWD1A 220 nm and VWD1B 254 nm, 6 min gradient, 5.000 μL injection
- Data file / instrument
- KLOW80.dx · LC-MS, acquired 2026-08-11 15:39
- Research status
- Research use only