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Published lot certificate Issued by PrymaLab Analytical for a PrymaLab production lot. Scan the QR code or enter the number and key on the verify page to confirm any printed copy.
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PrymaLab AnalyticalCertificate of Analysis ยท Lot release ยท tested in-housePrymaLab Analytical ยท Attn: Sample intake ยท 3705 Music Branch Rd ยท Ashland, KY 41102 ยท United States
Certificate number PL-26-00046 Key 9WNXD2PS Verify at prymalab.net/testing/verify/

HCG 5,000 IU Lot PL-2609-046 ยท analysed September 19, 2026 ยท issued October 3, 2026

Purity ยท RP-HPLC99.20%Specification 99.0% โ€ข main peak (glycoform cluster) at 7.28 min
Identity ยท Observed Mass36,712 DaDeconvoluted glycoform centroid โ€ข theoretical 36.7 kDa average
ConclusionPASSMeets every specification for the tests performed

The certificate

Certificate of analysis PL-26-00046, page 1
Page 1: results, specifications and chromatogram
Certificate of analysis PL-26-00046, page 2
Page 2: HPLC method, peak table, mass spectrometry and approval

Summary

CompoundHCG
Human chorionic gonadotropin (urinary); potency assigned in IU by bioassay
CAS number9002-61-3
Molecular formulaNot applicable (glycoprotein)
Theoretical massAbout 36โ€“38 kDa glycoform average; 25.7 kDa protein core (about 30% carbohydrate)
Sequence / structureNon-covalent heterodimer, 237 residues in total: common glycoprotein-hormone ฮฑ-subunit (92 aa) paired with the hCG ฮฒ-subunit (145 aa, including the 24-residue C-terminal peptide); 11 disulfides; N- and O-glycosylated.
AppearanceWhite lyophilized cake
Storage2โ€“8 ยฐC, dark
Label claim5,000 IU/vial (โ‰ˆ 0.5 mg glycoprotein, standardized by bioassay)
Lot numberPL-2609-046
Certificate numberPL-26-00046
Date of analysis2026-09-19 (retest 2028-09-18)
Purity (RP-HPLC)99.20%
Identity (LC-MS)36,712 Da centroid (glycoforms 36โ€“38 kDa)
Water content (KF)1.7%
Endotoxin (LAL)0.22 EU/mg
SterilityNo growth; conforms
ConclusionPASS
Tested byPrymaLab Analytical (PrymaLab's own laboratory, Ashland, KY). In-house result, not an independent third-party test.
Third-party testing guarantee. Have this product tested by any independent laboratory. If the result does not come back as the compound named on the label, at the purity and amount stated, we refund your order in full and reimburse the cost of the test. Email the lab report and your order number to michael@prymalab.net.