449 third-party lab reports published 3 for the price of 2 on compound vials and capsules โ€” put any 3 in your cart and the cheapest one is free, automatically. Solvents and lab supplies excluded. Ends Tuesday night. For research use only. 99.58% median purity across 254 lots Defense, VA, Federal and Public safety: your VerifyPass code adds 5% on top of 3 for the price of 2 · get verified 242 / 242 lots pass sterility

ARA-290

โ˜… 4.8 (179 reviews)
175,000+ units shipped ยท 3 in 4 orders come from repeat researchers
Lab-verified ยท Batch 1679 ยท 99.70% purity ยท 13 tests
Vanguard Laboratory + Eagle Analytical Services Inc.
Verify online โ†—
$54.99
This week: 3 for the price of 2 โ€” this product qualifies Put any 3 compound vials or capsules in your cart and the cheapest one is free, automatically. Solvents and lab supplies donโ€™t count.

For research use only. Not intended for diagnostic or therapeutic use.

Same-day shippingOrder by 2:30 PM MST.
Every new batch testedFull panel, independent labs.
Tested in the USALabs and support stateside.
Industry discountsLabs, clinics, defense, government and public safety.

Certificate of analysis

Current batch for this size ยท tested July 2, 2026

Purity by batch ยท last 2 batches: 99.70 ยท 99.80

Batch#1679
Purity99.70%
TestsEarlier standard ยท 13 tests
TestedJuly 2, 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
99.08โ€“99.70%Vanguard ยท 3 vials tested
PASS
Assay, net peptide contentUSP <621> ยท HPLC-UV/VIS
11.66โ€“11.84 mgVanguard ยท 3 vials tested
PASS
Net peptide content variation between unitsUSP <905> ยท house check on 3 units
1.54%limit 10%
PASS
Content vs certificateUSP 90โ€“110% of label
106.6%
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 167910 mg Jul 2, 202699.70%13 tests On sale Showing
Batch 166410 mg Oct 14, 202599.80%9 tests View certificate ›

Common questions

From the help center · All articles ›

Tech specs

Form
Lyophilized powder
Tested mass
11.66โ€“11.84 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. By purchasing, you confirm you are a qualified researcher aged 21 or older.

0

Research use only

For research use only. Not intended for diagnostic or therapeutic use.

By continuing, you confirm that you are at least 21 years old and that any items you purchase will be used solely for research purposes.

JavaScript is required to browse after confirming. Your confirmation is recorded either way.

We can't show you the catalog

Peptidology supplies research-use-only materials to qualified researchers aged 21 and over. Certificates and company information remain open to everyone.

View certificates