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H2NNNHNHOOOONH2OH

Skeletal structure · unlabelled vertices are carbon · stereochemistry not shown

CAS 141801-26-5StandardMade to order · 2–6 weeks

Endomorphin-2

μ-Opioid agonist tetrapeptide

4 aa · 571.7 g/mol · ≥95% (HPLC)

Pack size

1
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About this peptide

Second endomorphin, differing from EM-1 at position 3.

Reported research uses

  • 01MOR pharmacology
  • 02Spinal analgesia research

Specifications

CAS number
141801-26-5
Sequence
YPFF-NH2
Length
4 residues
Molecular formula
C₃₂H₃₇N₅O₅
Molecular weight
571.7 g/mol
Purity
≥95% (HPLC)
Counter-ion
TFA (acetate on request)
Appearance
Lyophilised white powder
Storage
−20 °C, desiccated, protected from light
Synonyms
EM-2

Values from the manufacturer’s documents; the lot CoA is the reference. For laboratory research use only — not for human or veterinary use. Synthesised after your order is verified; MS and HPLC data come with the lot.

Endomorphin-2 (CAS 141801-26-5) · gramsource