Pureline Biolabs
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Pureline Biolabs Ltd · Company No. 17236739 · Registered in England & Wales · Not evaluated by the MHRA

NOTICE: All compounds supplied strictly for in vitro laboratory research and analytical standards. Not for human or veterinary consumption.
INDEPENDENT VERIFICATION — JANOSHIK ANALYTICAL

Analytical Lab Reports

Every production batch is tested by Janoshik Analytical in Prague prior to release. Certificates are published directly on Janoshik’s independent verification server, so you can check every result yourself.

Gloved hand holding a Pureline vial to show the QR code that links to its certificate
9ACTIVE BATCHES
99.20%AVERAGE HPLC PURITY
HPLC + LC-MSPURITY & IDENTITY
100%PUBLICLY VERIFIABLE
CERTIFICATES OF ANALYSIS — TESTED 29 JULY 2026

Current reference batches

COPPER COMPLEXES & CHELATESPLB-013

GHK-Cu

50mg · Janoshik task #209947
99.700%HPLC PURITY
MEASURED CONTENT
GHK 43.66 mg · Cu 8.98 mg
CAS NUMBER
89030-95-5 (Cu) · 49557-75-7 (GHK)
FORMULA
C₁₄H₂₄N₆O₄ (GHK)
MOL. WEIGHT
340.38 (GHK) · ~401.9 (Cu complex) g/mol
METHOD
HPLC + LC-MS
TESTED
29 July 2026
CYCLIC PEPTIDE STANDARDSPLB-012

PT-141

10mg · Janoshik task #209946
99.874%HPLC PURITY
MEASURED CONTENT
9.65 mg
CAS NUMBER
189691-06-3
FORMULA
C₅₀H₆₈N₁₄O₁₀
MOL. WEIGHT
1025.18 g/mol
METHOD
HPLC + LC-MS
TESTED
29 July 2026
TRIPEPTIDE ANALYTICAL STANDARDSPLB-011

KPV

10mg · Janoshik task #209945
98.015%HPLC PURITY
MEASURED CONTENT
9.82 mg
CAS NUMBER
67727-97-3
FORMULA
C₁₆H₃₀N₄O₄
MOL. WEIGHT
342.44 g/mol
METHOD
HPLC + LC-MS
TESTED
29 July 2026
DECAPEPTIDE STANDARDSPLB-010

Kisspeptin-10

10mg · Janoshik task #209944
99.890%HPLC PURITY
MEASURED CONTENT
10.60 mg
CAS NUMBER
374675-21-5
FORMULA
C₆₃H₈₃N₁₇O₁₄
MOL. WEIGHT
1302.46 g/mol
METHOD
HPLC + LC-MS
TESTED
29 July 2026
MITOCHONDRIAL PEPTIDE STANDARDSPLB-008

MOTS-c

10mg · Janoshik task #209942
98.123%HPLC PURITY
MEASURED CONTENT
11.23 mg
CAS NUMBER
1627580-64-6
FORMULA
C₁₀₁H₁₅₂N₂₈O₂₂S₂
MOL. WEIGHT
2174.62 g/mol
METHOD
HPLC + LC-MS
TESTED
29 July 2026
NEUROPEPTIDE STANDARDSPLB-007

Semax

5mg · 10mg · Janoshik task #209941
98.938%HPLC PURITY
MEASURED CONTENT
5.28 mg (5mg vial)
CAS NUMBER
80714-61-0
FORMULA
C₃₇H₅₁N₉O₁₀S
MOL. WEIGHT
813.93 g/mol
METHOD
HPLC + LC-MS
TESTED
29 July 2026
NEUROPEPTIDE STANDARDSPLB-006

Selank

10mg · Janoshik task #209940
98.913%HPLC PURITY
MEASURED CONTENT
10.43 mg
CAS NUMBER
129954-34-3
FORMULA
C₃₃H₅₇N₁₁O₉
MOL. WEIGHT
751.89 g/mol
METHOD
HPLC + LC-MS
TESTED
29 July 2026
TRIDECAPEPTIDE STANDARDSPLB-005

Melanotan I

10mg nominal · Janoshik task #209939
99.805%HPLC PURITY
MEASURED CONTENT
8.13 mg
CAS NUMBER
75921-69-6
FORMULA
C₇₈H₁₁₁N₂₁O₁₉
MOL. WEIGHT
1646.87 g/mol
METHOD
HPLC + LC-MS
TESTED
29 July 2026
SYNTHETIC PENTAPEPTIDE STANDARDSPLB-004

Ipamorelin

5mg · Janoshik task #209938
99.541%HPLC PURITY
MEASURED CONTENT
4.89 mg
CAS NUMBER
170851-70-4
FORMULA
C₃₈H₄₉N₉O₅
MOL. WEIGHT
711.87 g/mol
METHOD
HPLC + LC-MS
TESTED
29 July 2026
Three batches failed our purity threshold and were never listed.We publish testing outcomes across every batch received, including the ones we rejected. Read the rejection log →
CHECK IT YOURSELF

How to verify a certificate

A certificate is only valuable if you can confirm it came directly from the testing laboratory, unedited. Janoshik hosts every report on its own verification server.

Full guide: how to read a peptide COA →
1 Scan the QR code on your vialIt opens the matching certificate for that specific batch on Janoshik’s verification server.
2 Check the address and verification keyThe page should be on verify.janoshik.com, with the unique verification key at the end of the address.
3 Match the batch numberThe batch number on the certificate should match the number printed on your vial label exactly.
OUR PROCESS

From delivery to listing

Nothing goes on sale until an independent result is back and published.

  1. 01 Stock received Refrigerated on arrival at 2–8°C.
  2. 02 Sample sent One sealed vial per batch goes to Janoshik Analytical.
  3. 03 Independent testing HPLC for purity, LC-MS for identity.
  4. 04 Result published Janoshik hosts the certificate with a unique key.
  5. 05 Listed for sale Only batches at or above 98% purity are listed. The rest are rejected.
See the cold chain log →

Regulatory & Intended Use Disclaimer

Products offered by Pureline Biolabs are intended exclusively for in vitro laboratory research, chemical analysis, and scientific method development. They are not medicinal products, drugs, food additives, or cosmetic materials, and are strictly not intended for human or animal consumption, therapeutic use, or clinical trials.

Pureline Biolabs does not provide administration protocols, reconstitution guidance for human use, or therapeutic claims. Purchasing requires purchaser confirmation of laboratory intent and compliance with local regulatory frameworks.

© 2026 Pureline Biolabs. All Rights Reserved. UK Domestic Stock & Dispatch.
Pureline Biolabs Ltd · Registered in England & Wales, No. 17236739

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