449 third-party lab reports published Volume pricing on every peptide, applied automatically in the cart: 3% off 2–3 · 8% off 4–5 · 12% off 6–7 · 15% off 8–9 · 20% off 10–19 · 25% off 20–29 · 30% off 30–39 · 35% off 40+ units · solvents and lab supplies excluded 99.59% median purity across 254 lots 242 / 242 lots pass sterility

Semax

โ˜… 4.8 (179 reviews)
175,000+ units shipped ยท 3 in 4 orders are reorders
13 tests ยท Newest batch 1673 ยท 99.16% purity
Vanguard Laboratory + Eagle Analytical Services Inc.
Verify online โ†—

For research use only. Not intended for diagnostic or therapeutic use. We do not work with patients.

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Certificate of analysis

Batch 1673 ยท 10 mg ยท on order ยท tested May 11, 2026

Purity by batch ยท last 4 batches: 99.16 ยท 99.80 ยท 99.39 ยท 99.49

Batch#1673
Purity99.16%
TestsEarlier standard ยท 13 tests
TestedMay 11, 2026

Labs on this batch: Vanguard Laboratory (ISO 17025:2017 / A2LA #6377.01.01) ยท Eagle Analytical Services Inc.

13 of 15 tests ยท 2 not on this report

IdentityUSP <621> ยท HPLC-UV/VIS
Matches reference standardVanguard
PASS
Chromatographic purityUSP <621> ยท HPLC-UV/VIS
99.02โ€“99.45%Vanguard ยท 3 vials tested
PASS
Assay, net peptide contentUSP <621> ยท HPLC-UV/VIS
9.96โ€“10.11 mgVanguard ยท 3 vials tested
PASS
Net peptide content variation between unitsUSP <905> ยท house check on 3 units
1.50%limit 10%
PASS
Content vs certificateUSP 90โ€“110% of label
100.1%
PASS
Adulterant screenHPLC-UV/VIS
Not on this report
โ€”
Heavy metalsUSP <232> / <233> ยท ICP-MS
ND ppmVanguard ยท 2 vials tested
PASS
EndotoxinsUSP <85> ยท LAL
PassVanguard ยท 3 vials tested
PASS
Residual solventsUSP <467> ยท GC-MS
ND ppmVanguard ยท 1 vial tested
PASS
Trifluoroacetic acid (TFA)USP <503.1> ยท Ion Chromatography
<0.10%Vanguard ยท 1 vial tested
PASS
Container closure integrityUSP <1207> ยท Dye Ingress Method
PassVanguard ยท 3 vials tested
PASS
SolubilityUSP <1236> ยท visual
Fully Soluble in 2 mL WaterVanguard ยท 3 vials tested
PASS
SterilityUSP <71> ยท membrane filtration
Not on this report
โ€”
Sterility, rapid methodalternative to USP <71> ยท ScanRDI
PassEagle Analytical
PASS
ConformityQA approval
PassVanguard
PASS
All batchesNewest first · every batch we’ve released for this product
Batch 167310 mg May 11, 202699.16%13 tests Showing
Batch 166912 mg Feb 6, 202699.80%9 tests View certificate ›
Batch 166510 mg Oct 21, 202599.39%9 tests View certificate ›
Batch 135810 mg Jul 29, 202599.49%8 tests View certificate ›

Common questions

From the help center · All articles ›

Tech specs

Form
Lyophilized powder
Tested mass
9.96โ€“10.11 mg
Methods
HPLC-UV/VIS ยท ICP-MS ยท LAL ยท GC-MS ยท Ion Chromatography ยท Dye Ingress ยท visual ยท ScanRDI

Important research notice. This product is sold exclusively for in-vitro laboratory and research use. It is not a drug, supplement, cosmetic, or food, and is not intended to diagnose, treat, cure, or prevent any condition. For research use only. Not intended for diagnostic or therapeutic use. We do not work with patients. By purchasing, you confirm you are a qualified researcher aged 21 or older.

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