What is the CAS number for SS-31?

SS-31 is registered under CAS Registry Number 736992-21-5.

What is the molecular formula of SS-31?

The molecular formula of SS-31 is C32H49N9O5, with a molecular weight of 639.79 g/mol.

What's included with each SS-31 lot?

Every lot of SS-31 ships with a per-lot Certificate of Analysis (COA) from an independent US laboratory documenting ≥99.0% purity by HPLC and mass-spectrometry identity confirmation. The COA is QR-linked from the vial label.

How is SS-31 verified?

Each lot of SS-31 is independently verified at Chromate.org, a US analytical laboratory, with HPLC purity, mass-spectrometry identity, and heavy-metal screening. The per-lot Certificate of Analysis is published on this page and ships printed in every package.

Lyophilized SS-31 is shipped at ambient temperature in protective packaging. For long-term laboratory storage, refer to the per-lot Certificate of Analysis storage notes specific to the lot you receive.

Senescence / mitochondrial research

SS-31

CAS 736992-21-5

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In stock · 100 vials on hand

Quantity1–500 vials

× $77.00

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This lot is tested. Lot 00011/0011 · 99.79% purity by HPLC · AV AnalyticsView the COA →
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Made in the USA. Synthesized in an ISO-7 cleanroom; a printed COA ships in the box.Facility →

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Quality · Sourcing · Verification

Synthesized in our US-based ISO-7 certified cleanroom laboratory under cGMP-aligned procedures.
Secure facility with 24-hour CCTV cold-chain storage and time-locked chain-of-custody protocols.
Independently verified by Chromate.org — HPLC purity, mass-spec identity, and heavy-metal screening per lot.
Per-lot Certificate of Analysis published on this page; a printed copy ships inside every package.
US-domestic shipping only · free standard shipping on every order.

This product is for laboratory research use only. Not for human or veterinary use. Not a drug, supplement, or medical device.

Molecular data

CAS number: 736992-21-5
Mol. formula: C32H49N9O5
Mol. weight: 639.79 g/mol
Sequence: D-Arg-2′,6′-dimethyl-Tyr-Lys-Phe-NH2
Purity: ≥ 99.0%
Lot number: Assigned at shipment

Certificate of Analysis

Independent third-party verified

Purity (HPLC): 99.79%
Batch: 00011/0011
Laboratory: AV Analytics
Analyzed: Sep 3, 2026

Certificate of Analysis — SS-31 batch 00011/0011

View full COA

Summary

CAS 736992-21-5 · 639.79 g/mol · ≥99% by HPLC · from $77 (single) to $218 (10-pack)

Mitochondria-targeting tetrapeptide studied in mitochondrial dysfunction and cardiolipin research.

Read the full SS-31 compound profile — mechanism, published research, and references →

Research context

Szeto, Br J Pharmacol (2014).

About SS-31

What is SS-31?: Mitochondria-targeting tetrapeptide studied in mitochondrial dysfunction and cardiolipin research.
What is the CAS number for SS-31?: SS-31 is registered under CAS Registry Number 736992-21-5.
What is the molecular formula of SS-31?: The molecular formula of SS-31 is C32H49N9O5, with a molecular weight of 639.79 g/mol.
What research context is SS-31 studied in?: Szeto, Br J Pharmacol (2014).
What's included with each SS-31 lot?: Every lot of SS-31 ships with a per-lot Certificate of Analysis (COA) from an independent US laboratory documenting ≥99.0% purity by HPLC and mass-spectrometry identity confirmation. The COA is QR-linked from the vial label.
How is SS-31 verified?: Each lot of SS-31 is independently verified at Chromate.org, a US analytical laboratory, with HPLC purity, mass-spectrometry identity, and heavy-metal screening. The per-lot Certificate of Analysis is published on this page and ships printed in every package.
How is SS-31 stored?: Lyophilized SS-31 is shipped at ambient temperature in protective packaging. For long-term laboratory storage, refer to the per-lot Certificate of Analysis storage notes specific to the lot you receive.
Is SS-31 approved for human or veterinary use?: No. This product is for laboratory research use only. Not for human or veterinary use. Not a drug, supplement, or medical device. Customers certify research use at checkout per our Terms of Sale.

Research use only

This product is for laboratory research use only. Not for human or veterinary use. Not a drug, supplement, or medical device. By purchasing, customer certifies research use per our Terms of Sale.