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CJC-1295 (No DAC) vs MOTS-C

CJC-1295 (No DAC) and MOTS-C are studied in overlapping research areas, which is why they are frequently compared. This is a neutral side-by-side reference drawn from published preclinical literature and laboratory handling data.

Shared research areas:Metabolic
ClassGHRH(1-29) tetra-substituted analogue (DAC-free)Mitochondrial-derived peptide, 16 residues
Molecular weight3367.9 g/mol2174.5 g/mol
CAS numberNot assigned / not specifiedNot assigned / not specified
Purity spec≥99%≥98%
Research areasHormonal & Endocrine, MetabolicMetabolic, Cellular Longevity
Primary diluentBacteriostatic water (0.9% benzyl alcohol)Sterile or bacteriostatic water
Working windowCommonly worked with for 2-3 weeks at 2-8 °C.Commonly worked with for 2–3 weeks at 2–8 °C.
Lead degradation routeDeamidation at Asn/Gln residues over long solution storage.Methionine oxidation to the sulfoxide (+16 Da), and MOTS-c carries methionine at the N-terminus and internally.
Freeze–thawAliquot on first reconstitution; avoid re-freezing the solution.Aliquot on reconstitution. Each vial opening introduces oxygen that acts on two susceptible residue types at once.
Light sensitivityNo specific light requirement beyond normal practice.Protect from light throughout — tryptophan photo-oxidation applies here as it does to DSIP.

How they actually differ

Comparing the two: CJC-1295 (No DAC) is ghrh(1-29) tetra-substituted analogue (dac-free), while MOTS-C is mitochondrial-derived peptide, 16 residues — different molecular classes with different handling consequences; they call for different primary diluents (bacteriostatic water (0.9% benzyl alcohol) versus sterile or bacteriostatic water); their leading degradation routes differ (deamidation at asn/gln residues over long solution storage. for CJC-1295 (No DAC), methionine oxidation to the sulfoxide (+16 da), and mots-c carries methionine at the n-terminus and internally. for MOTS-C), so the storage precautions that matter are not the same; their practical working windows differ once reconstituted. The sections below set out each in full.

CJC-1295 (No DAC) — origin

CJC-1295 without DAC is the first 29 residues of growth-hormone-releasing hormone carrying four stabilising substitutions (D-Ala2, Gln8, Ala15, Leu27) that resist DPP-4 cleavage. Omitting the Drug Affinity Complex — the albumin-binding element of the DAC version — gives it a short half-life, which is the property researchers study it for.

MOTS-C — origin

MOTS-c is encoded not in nuclear DNA but within the mitochondrial genome — specifically an open reading frame inside the 12S ribosomal RNA gene. Its discovery helped establish that mitochondria encode short signalling peptides that act on the rest of the cell, a genuinely recent addition to cell biology and the reason the compound attracted rapid research interest.

CJC-1295 (No DAC) research themes

Pulsatile GH release

Studied for prompting growth-hormone release in short, physiological pulses via the GHRH receptor.

DPP-4 resistance

The four substitutions are studied for extending the molecule beyond the minutes-long survival of native GHRH.

Complementary pairing

Frequently studied alongside ghrelin-receptor secretagogues such as Ipamorelin, which recruit a second GH-release pathway.

MOTS-C research themes

Mitochondrial-derived signalling

Part of a novel class demonstrating that mitochondria encode peptides acting systemically.

AMPK pathway

The most-studied signalling interaction, examined in metabolic and exercise models.

Insulin sensitivity

Investigated in glucose-metabolism research models.

Exercise and longevity biology

Studies have examined MOTS-c expression in relation to physical activity and ageing in animal models.

CJC-1295 (No DAC) handling

  • Reach room temperature before opening.
  • Swirl to dissolve; do not shake or vortex — foam indicates interfacial stress on the helix.
  • Aliquot and refrigerate; never re-freeze reconstituted solution.

MOTS-C handling

  • Use amber vials or wrap in foil; treat light protection as mandatory rather than precautionary.
  • Minimise vial openings — headspace oxygen is the practical driver of oxidation.
  • Use low-bind labware for dilute working solutions.

Both third-party tested

Every Popular Peptides batch of CJC-1295 (No DAC) and MOTS-C is independently tested by HPLC and LC-MS with a published Certificate of Analysis. Enter a lot number to pull the COA for a specific vial.

CJC-1295 (No DAC) reference

MOTS-C reference

Related comparisons

CJC-1295 (No DAC) and MOTS-C are supplied strictly as research chemicals for in-vitro laboratory and research use only. They are not intended for human or animal consumption, diagnostic, or therapeutic use. This comparison summarizes published preclinical literature and laboratory handling data; it is not medical advice, not a claim of efficacy, and not usage guidance.