Lab Verification

Certificates
of Analysis

Every compound we carry is third-party tested and verified. Below are the official COA reports for each product — batch numbers, purity results, and full analytical data included.

ZX-001 · CAS 2023788-19-2 · Lot P251017-L007
Tirzepatide
GIP / GLP-1 Dual Receptor Agonist · Lyophilized Powder
HPLC Purity
99.54%
Lot No.
P251017-L007
Molecular Weight
4813.45 g/mol
Manufactured
2025-11-06
Retest Date
2027-11-05
Storage
-20°C
Quantity
1530g batch
TestSpecificationResult
AppearanceWhite powder✓ Conforms
SolubilitySoluble in water✓ Conforms
MS (ESI)4813.45 ± 1.04814.39
Purity (HPLC)≥ 99.0%99.54%
Related Substances (HPLC)Any individual impurity ≤ 1.0%0.19%
Peptide Content≥ 85.0%96.00%
Water Content (Karl Fischer)≤ 10.0%2.87%
pH (5.0 mg/mL)6.0 – 8.06.81
High Molecular Protein≤ 0.5%N.D.
Acetate Content≤ 15.0%N.D.
TFA Content≤ 0.5%N.D.
ALL TESTS PASSED — PRODUCT CONFORMS TO SPECIFICATIONS
ZX-002 · Batch HH250913001
Retatrutide
GIP / GLP-1 / Glucagon Triple Receptor Agonist · Lyophilized Powder
HPLC Purity
99.6%
Batch No.
HH250913001
Molecular Formula
C₂₂₁H₃₄₂N₄₆O₆₈
Molecular Weight
4731.35 g/mol
Manufactured
2025-10-13
Retest Date
2027-10-12
TestSpecificationResult
AppearanceWhite to off-white powder✓ White powder
SolubilitySoluble up to 5 mg/mL in pure water✓ Complies
Molecular Ion Mass4731.42 ± 1✓ Complies
pH6 – 96.88
Water Content≤ 10%3.2%
Purity (HPLC)≥ 99%99.6%
Max. Single Impurity≤ 0.5%0.25%
Total Impurities≤ 2.0%1.12%
ALL TESTS PASSED — PRODUCT CONFORMS TO SPECIFICATIONS
ZX-003 · Lot GL260209-121 · Lab ID LB260209-108
KLOW
Peptide Blend · KPV 10mg + BPC-157 10mg + GHK-Cu 50mg + TB-500 10mg
HPLC Purity
>99.00%
Lot Number
GL260209-121
Laboratory ID
LB260209-108
Manufactured
2026-02-07
Report Date
2026-02-09
Storage
2–8°C, dry, dark
Specification
80mg/vial blend
TestMethodResult
Chromatographic PurityHPLC-UV/VIS> 99.00% ± 0.18%
Quantity: GHK-CuHPLC-UV/VIS52.50 mg
Quantity: BPC-157HPLC-UV/VIS11.58 mg
Quantity: TB-4 (TB-500)HPLC-UV/VIS10.62 mg
Quantity: KPVHPLC-UV/VIS11.58 mg
Analyzed By—Wang Kun — 02/09/2026
Approved By—Huang Yu — 02/09/2026
ALL TESTS PASSED — SAMPLE CONFORMS TO IN-HOUSE SPECIFICATIONS · Expert Peptide QMS
ZX-004 · CAS 189691-06-3 · Lot AY20260311-003
PT-141
Bremelanotide · Melanocortin Receptor Agonist · 10mg/vial
HPLC Purity
99.16%
Lot Number
AY20260311-003
Laboratory ID
LB260311-035
Molecular Formula
C₅₀H₆₈N₁₄O₁₀
Molecular Weight
1025.17 g/mol
Manufactured
2026-03-11
Storage
2–8°C, dry, dark
TestMethodResult
Chromatographic PurityHPLC-UV/VIS99.16% ± 0.18%
QuantityHPLC-UV/VIS10.51 mg
EndotoxinsLALPASS — 0.84 EU/mg
SterilityUSP <71>PASS — No Growth Detected
Specification—10mg / vial
Analyzed By—Wang Kun — 03/11/2026
Approved By—Huang Yu — 03/11/2026
ALL TESTS PASSED — SAMPLE CONFORMS TO IN-HOUSE SPECIFICATIONS · Expert Peptide QMS
ZX-005 · CAS 80714-61-0 · Batch 843095
Semax
ACTH(4–7) Pro-Gly-Pro Analogue · Nootropic Peptide · Solid Powder
LCMS Purity
99.56%
Batch No.
843095
Molecular Formula
C₃₇H₅₁N₉O₁₀S
Molecular Weight
813.92 g/mol
Detection Date
2026-02-14
Storage
-80°C powder
TestSpecificationResult
AppearanceWhite to off-white solid✓ Conforms
Identity (LCMS)Consistent with structure✓ Consistent
Purity (LCMS)High purity99.56%
Peptide Content—92.40%
Overall ConclusionComplies with specifications✓ Passes
ALL TESTS PASSED — FOR RESEARCH USE ONLY