MOTS-c Research Peptide Specifications: What Laboratories Should Verify

A MOTS-c research peptide listing should identify the material clearly and provide documentation that can be matched to the supplied batch. The most useful specifications include the peptide name, amino-acid sequence, nominal quantity, batch number, analytical methods, purity result, identity result, and research-use-only status.

Real Clear Biogenix lists MOTS-c 10mg as a research-use-only peptide and publishes available batch Certificates of Analysis. The documentation is intended to help laboratories review the material supplied, not to establish any clinical or biological result.

Quick Answer: What Should a MOTS-c Specification Include?

At minimum, a MOTS-c specification should state what the material is, how much is nominally supplied, how the batch is identified, and which analytical tests were performed. A product name without a sequence or batch record provides less traceability than a listing supported by a matching COA.

What Is the Reported MOTS-c Sequence?

The commonly reported 16-amino-acid sequence is:

Met-Arg-Trp-Gln-Glu-Met-Gly-Tyr-Ile-Phe-Tyr-Pro-Arg-Lys-Leu-Arg

Sequence information helps distinguish the intended peptide from similarly named materials. Researchers should compare the product listing, label, and analytical documentation for consistency.

Which Identifiers Are Commonly Associated With MOTS-c?

Scientific databases and supplier records may list MOTS-c as mitochondrial open reading frame of the 12S rRNA-c or associate it with the mitochondrial 12S rRNA region. A CAS number or database identifier may also appear.

Identifiers should be treated as reference points rather than substitutes for batch testing. Database records describe a defined chemical or biological entity; a batch-specific report describes the material that was actually tested.

Why Does the Batch Number Matter?

The batch or lot number connects the physical material to its analytical record. Two packages can carry the same product name while belonging to different batches. A certificate from one batch should not automatically be used to characterize another.

When a laboratory receives MOTS-c, it should record:

• the supplier;
• the product name;
• the stated sequence;
• the supplier batch number;
• the internal sample identifier;
• the receipt date; and
• the matching COA filename or record.

How Are Purity and Identity Reported?

Purity and identity are separate analytical questions. HPLC can separate detectable sample components under defined conditions and support a relative chromatographic purity result. Mass spectrometry can support identity by comparing observed mass-related data with the expected analyte.

A high HPLC area percentage does not, by itself, identify the principal peak. A mass-related identity result does not describe every impurity or establish absolute quantity. Laboratories should look for complementary methods and read each result within its stated scope.

Does Purity Equal Quantity?

No. A purity percentage, nominal vial quantity, and measured peptide content are different data points. If a certificate reports concentration or active weight, the method and units should be identified separately.

Real Clear Biogenix states that its quality-control process evaluates purity, identity, and concentration and makes applicable results publicly available. Researchers should inspect the exact report connected to the MOTS-c batch rather than relying only on a general testing statement.

What Does Research-Use-Only Mean?

Research-use-only labeling defines the intended market and limits of the material. It indicates that the product is supplied for controlled laboratory, analytical, or in-vitro work rather than for human or veterinary administration.

A responsible listing should state this limitation clearly. It should not use a disclaimer to offset unsupported promises elsewhere in the content.

Frequently Asked Questions

What is the nominal quantity of the Real Clear Biogenix MOTS-c product?

Real Clear Biogenix lists its MOTS-c research peptide as MOTS-c 10mg. The nominal listing should be reviewed alongside the batch-specific analytical documentation.

Does a 99% HPLC result prove the complete composition of a sample?

No. It describes relative chromatographic purity under the method used. It does not automatically establish identity, absolute quantity, sterility, endotoxin status, or biological activity.

Should every MOTS-c batch have the same COA?

No. A COA should correspond to a specific batch. Laboratories should match the certificate number or batch identifier to the material received.

Final Answer

A useful MOTS-c research peptide specification combines clear molecular information with batch-specific analytical documentation. Sequence, quantity, batch identity, HPLC purity, mass-spectrometry identity, and research-use labeling should be reviewed as separate but connected data points. Real Clear Biogenix provides MOTS-c as a research-use-only material with publicly available documentation for applicable batches.

Research Sources

• Lee C, et al. Cell Metabolism. 2015. PMID: 25738459.
• FDA. Q2(R2) Validation of Analytical Procedures.
• FDA. Q6A Specifications: Test Procedures and Acceptance Criteria.

Research-use notice: MOTS-c is intended only for controlled laboratory and in-vitro research. It is not for human or veterinary use, consumption, administration, diagnosis, or treatment.