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% โข main peak (glycoform cluster) at 7.28 min
Identity ยท Observed Mass36,712 DaDeconvoluted glycoform centroid โข theoretical 36.7 kDa average
ConclusionPASSMeets every specification for the tests performed
The certificate


Summary
| Compound | HCG Human chorionic gonadotropin (urinary); potency assigned in IU by bioassay |
|---|---|
| CAS number | 9002-61-3 |
| Molecular formula | Not applicable (glycoprotein) |
| Theoretical mass | About 36โ38 kDa glycoform average; 25.7 kDa protein core (about 30% carbohydrate) |
| Sequence / structure | Non-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. |
| Appearance | White lyophilized cake |
| Storage | 2โ8 ยฐC, dark |
| Label claim | 5,000 IU/vial (โ 0.5 mg glycoprotein, standardized by bioassay) |
| Lot number | PL-2609-046 |
| Certificate number | PL-26-00046 |
| Date of analysis | 2026-09-19 (retest 2028-09-18) |
| Purity (RP-HPLC) | 99.20% |
| Identity (LC-MS) | 36,712 Da centroid (glycoforms 36โ38 kDa) |
| Water content (KF) | 1.7% |
| Endotoxin (LAL) | 0.22 EU/mg |
| Sterility | No growth; conforms |
| Conclusion | PASS |
| Tested by | PrymaLab 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.
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