LOT YPB.245✓ COA VERIFIED
✓ Purity ≥ 98%Research use only
SS-31
Vial size
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Certificate of Analysis — Lot YPB.245
View COACompound information
Molecular profile
What is SS-31?
TypeMitochondria-targeted tetrapeptide (elamipretide)
CAS number736992-21-5
Mol. weight639.8 g/mol
Amino acids4
FormulaC32H49N9O5
Storage requirements
Stability information
Protect from lightRoom-temp stable (short-term)
Lyophilized (powder)−20°C · stable long-term
Reconstituted2–8°C · use within 30 days
Lab verification
Verified by a third-party lab
This lotYPB.245
TestedDec 2025 · USA
Result6 of 6 tests passed
Research overview
SS-31 in the literature
Contents Elamipretide Form / storage Lyophilized powder; store at −20 °C, protect from light Purity ≥98% — see lot COA CAS 736992-21-5 Molecular formula C32H49N9O5 Molecular weight 639.79 g/mol Sizes 50 mg Testing Identity (UV/Vis λmax), purity, assay (Beer-Lambert), heavy metals, microbial (TAMC/TYMC) COA Batch-specific — view on this page Research background Elamipretide (SS-31) is a synthetic, cell-permeable tetrapeptide with an alternating aromatic-cationic motif that concentrates in the inner mitochondrial membrane and associates with the phospholipid cardiolipin — an interaction studied for its influence on cristae structure and electron-transport-chain efficiency. In preclinical research it is investigated for effects on mitochondrial bioenergetics, reactive-oxygen-species handling, and membrane integrity across models of mitochondrial dysfunction. Research applications Cardiolipin-binding and mitochondrial-membrane studies Preclinical models of mitochondrial bioenergetics and oxidative stress Cristae-structure and electron-transport-chain research Quality & documentation Every lot is tested by an independent third-party laboratory before it enters the catalog.
HighlightsResearch applications Cardiolipin-binding and mitochondrial-membrane studies Preclinical models of mitochondrial bioenergetics and oxidative stress Cristae-structure and electron-transport-chain research Quality & documentation Every lot is tested by an independent third-party laboratory before it enters the catalog.Testing covers identity (characteristic UV/Vis λmax matched to a reference standard), percent purity (≥98%, correlation-coefficient method), quantitative assay (Beer-Lambert, ≥95% of label claim), heavy metals (total ≤150 ppb — Pb, Cd, Hg, Ni, Fe, Co), and microbial limits (TAMC/TYMC).Each order ships with the Certificate of Analysis matching its lot number.References Szeto HH, British Journal of Pharmacology, 2014; Birk AV et al., JASN, 2013.
COA breakdown
✓ 6 of 6 tests passedPASSIdentityλ-max matchesLambda-max vs reference standardPASSPurity≥98% · UV/VisUV/Vis correlationPASSQuantitative assay≥95% of labelBeer-Lambert · ≥95% label claimPASSHeavy metals<20 ppbNMT 150 ppb/vial specPASSTAMC · aerobic microbial0 CFUNMT 1,000 CFU · 48 h @ 37 °CPASSTYMC · yeast & mold0 CFUNMT 100 CFU · 48 h @ 30 °C
Purity is measured per lot; panel results per the Analytical Formulations summary report for the lot currently shipping.
Product details
- Type
- Mitochondria-targeted tetrapeptide (elamipretide)
- CAS number
- 736992-21-5
- Molecular weight
- 639.8 g/mol
- Formula
- C32H49N9O5
- Form
- Lyophilized powder
- Storage
- Room temp in transit · −20 °C long-term
