• Skip to primary navigation
  • Skip to main content
  • Skip to footer

LKT Labs

Biochemicals for Life Science Research

  • Products
    • New Products
    • Cancer Biology
    • Cardiovascular
    • Endocrine Signaling and Immunology
    • Metabolic and GI Pathology
    • Microbiology
    • Natural Products
    • Neuroscience
    • Peptides
    • Pharmaceutical Impurities and Derivatives
    • Stem Cell Modulators
  • Services
    • Custom Synthesis
    • Natural Product Isolation
    • Analytical Services
  • Int’l Distributors
  • Support
    • About LKT Labs
    • General Inquiry
    • Bulk Quote Request
    • Document Request
    • Technical Support
    • Catalog Request
    • Product Flyers
  • Contact Us
  • Cart
  • Login / Register
Physalaemin

Physalaemin

Product ID P2994
Cas No. 2507-24-6
Purity ≥95%
Product Unit SizeCostQuantityStock
1 mg $98.40 In stock
2 mg $167.80 In stock
5 mg $294.60 In stock
Bulk Quote

Quicklinks

  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Custom Order

Description

Physalaemin is an amphibian tachykinin neuropeptide. This peptide induces contractions in distal colon and esophageal longitudinal muscle in vivo through direct activation of smooth muscle cells and Ca2+ influx.

Product Info

Cas No.

2507-24-6

Purity

≥95%

Formula

C58H84N14O16S

Formula Wt.

1265.48

IUPAC Name

4-[2-[[4-amino-1-[[6-amino-1-[[1-[[1-[[2-[[1-[(1-amino-4-methylsulfanyl-1-oxobutan-2-yl)amino]-4-methyl-1-oxopentan-2-yl]amino]-2-oxoethyl]amino]-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-1-oxohexan-2-yl]amino]-1,4-dioxobutan-2-yl]carbamoyl]pyrrolidin-1-yl]-4-oxo-3-[2-[(5-oxopyrrolidine-2-carbonyl)amino]propanoylamino]butanoic acid

Solubility

Soluble in water.

Shipping and Storage

Store Temp

-20°C

Ship Temp

Ambient

Downloads

MSDS

P2994 MSDS PDF

Info Sheet

P2994 Info Sheet PDF

References

Shiina T, Shima T, Hirayama H, et al. Contractile responses induced by physalaemin, an analogue of substance P, in the rat esophagus. Eur J Pharmacol. 2010 Feb 25;628(1-3):202-6. PMID: 19958761.

Fontaine J, Lebrun P. Contractile effects of substance P and other tachykinins on the mouse isolated distal colon. Br J Pharmacol. 1989 Mar;96(3):583-90. PMID: 2470454.

Custom Order

  • Size of single unit expressed as number (e.g. '500' in the case of 500 mg)
  • Total quantity of unit size desired (e.g. '10' in the case of 10 x 500 mg). If only one unit is desired, you may leave this blank.
  • This field is for validation purposes and should be left unchanged.

Related Products

  • R8179

    Rutaecarpine, synthetic

    Found in Evodia rutaecarpa; potential cAMP, 3β...

    ≥98%
  • C3578

    L-Citrulline

    Byproduct of L-arginine metabolism found in wat...

    ≥98%
  • T3200

    Ticagrelor

    Nucleoside (adenosine) analog; P2Y12 antagonist...

    ≥98%
  • J6400

    (+)-JQ-1

    Triazolothienodiazepine; BRD inhibitor.

    ≥99%
  • D1761

    15-Acetyl-deoxynivalenol

    Type A trichothecene mycotoxin produced by Fusa...

    ≥98%, TLC
  • O9702

    Ozagrel Hydrochloride

    TxA2 synthase inhibitor.

    ≥98%
  • H1648

    Hemorphin-7

    Endogenous opioid peptide derived from the β-c...

    ≥95%
  • N1868

    Neratinib

    EGFR inhibitor.

    ≥98%
  • E5220

    Enfuvirtide (T-20)

    Synthetic peptide derived from HIV-1; viral fus...

    ≥95%
  • W4096

    WKYMVM-NH2

    Synthetic peptide; FPRL1 agonist.

    ≥95%
  • F5976

    Fotemustine

    Chloroethylnitrosourea, DNA alkylator and cross...

    ≥98%
  • I7302

    Isatin

    Indole derivative found in Isatis, Calanthe, an...

    ≥97%
  • C1627

    Cefaclor Monohydrate

    β-lactam cephalosporin; penicillin binding pro...

    ≥97%
  • C6935

    Crizotinib

    ALK, ROS1, c-MET inhibitor.

    ≥98%
  • R8076

    Rutin Hydrate

    Flavonoid glycoside found in fruit, asparagus, ...

    ≥95%
  • P0092

    Paclitaxel, from Taxus yunnanensis

    Diterpene found in Taxus yunnanensis; microtubule ...
    ≥98%
  • C0368

    Carveol

    Terpene alcohol found in spearmint oil; TRPV3 a...

    ≥99%
  • P7033

    Primaquine Phosphate

    Alters membrane permeability, prevents transport v...
    ≥98% (titration)
  • K1678

    Ketanserin

    5-HT2A antagonist, potential α1-adrenergic ant...

    ≥97%
  • R1777

    9-cis-Retinoic Acid

    Vitamin A derivative; RAR and RXR agonist.

    ≥99%

Footer

  • Contact Us
  • About Us
  • Site Map
  • Terms and Conditions
LKT Laboratories, Inc.
545 Phalen Blvd.
St. Paul MN, 55130

Ph: (888)-558-5227
Fax: (888)-558-7329

©2025 LKT Laboratories, All Rights Reserved - Products for research use only