• 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
Pepstatin

Pepstatin

Product ID P1761
Cas No. 26305-03-3
Purity ≥98%
Product Unit SizeCostQuantityStock
5 mg $80.00 In stock
25 mg $214.00 In stock
100 mg $649.00 Please Inquire
Bulk Quote

Quicklinks

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

Description

Pepstatin is a peptide originally found in Actinomyces; it inhibits aspartyl proteases such as pepsin and cathepsins D and E. Pepstatin may inhibit RANKL-induced osteoclast differentiation and phosphorylation of ERK.

Product Info

Cas No.

26305-03-3

Purity

≥98%

Formula

C34H63N5O9

Formula Wt.

685.89

Chemical Name

L-Alaninamide, N-(3-methyl-1-oxobutyl)-L-valyl-(3S,4S)-4- amino-3-hydroxy-6-methylheptanoyl-N-((1S)-1-((1S)-2-carboxy-1-hydroxyethyl)-3-methylbutyl)-

IUPAC Name

(3S, 4S)-3-hydroxy-4-[[(2S)-2-[[(3S)-3-hydroxy-6-methyl-4-[[3-methyl-2-[[3- methyl-2-(3-methylbutanoylamino)butanoyl]amino]butanoyl]amino]heptanoyl] amino]propanoyl]amino]-6-methylheptanoic acid

Synonym

Pepstatin A

Melting Point

228-229°C

Solubility

Soluble in methanol, ethanol or DMSO.

Appearance

White powder

Shipping and Storage

Store Temp

4°C

Ship Temp

Ambient

Downloads

MSDS

P1761 MSDS PDF

Info Sheet

P1761 Info Sheet PDF

References

Marciniszyn J Jr, Hartsuck JA, Tang J. Mode of inhibition of acid proteases by pepstatin. J Biol Chem. 1976 Nov 25;251(22):7088-94. PMID: 993206.

Umezawa H, Aoyagi T, Morishima H, et al. Pepstatin, a new pepsin inhibitor produced by Actinomycetes. J Antibiot (Tokyo). 1970 May;23(5):259-62. PMID: 4912600.

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

  • H0142

    Haloperidol

    Butyrophenone; σ2 agonist, α1-adrenergic, D2,...

    ≥95%
  • G7342

    GSK-2126458

    p110α PI3K and mTOR inhibitor.

    ≥99%
  • V0376

    Vatalanib Dihydrochloride

    VEGFR inhibitor.

    ≥98%
  • I7457

    1-Isothiocyanato-6-(methylsulfinyl)-hexane

    Synthetic derivative of 6-methylsulfinyl-hexane...

    ≥98%
  • P2410

    Phenethyl Dimethyl Caffeate

    Caffeic acid derivative.

    ≥98%
  • I611325

    IPI-549

    Selective inhibitor of the γ isoform of PI3K (...

    ≥98%
  • M2077

    1-Methoxy-5-methylphenazinium Methyl Sulfate

    Electron carrier used to study dehydrogenase el...

    ≥98%
  • R1626

    Regorafenib Monohydrate

    VEGFR1/2/3, TIE2, PDGFRβ, FGFR1, c-Kit, RET, B...

    ≥99%
  • X4424

    XL-765

    PI3K and mTOR inhibitor.

    ≥98%
  • R8178

    Rutaecarpine

    Indoloquinazoline alkaloid found in Evodia; COX...

    ≥98%
  • C0140

    Calcitonin, eel

    Endogenous neuropeptide hormone, lowers extrace...

    ≥95%
  • M4102

    MK-1775

    Wee1 inhibitor.

    ≥98%
  • G1869

    Geranylgeraniol

    Diterpene alcohol, geranylgeranyl pyrophosphate...

    ≥85%
  • V0269

    Vardenafil Dihydrochloride

    PDE5 inhibitor.

    ≥99%
  • B3278

    Biotin

    Water-soluble coenzyme, vitamin (B7) found in v...

    ≥98%
  • H189921

    1,2,3,4,5,6-Hexabromocyclohexane

    JAK2 inhibitor

    ≥98%
  • C1601

    Carcinoembryonic Antigen (605-613) analog

    Carcinoembryonic antigen epitope analog.

    ≥95%
  • B9700

    BYL719

    p110α PI3K inhibitor.

    ≥99%, ≥99%ee
  • D0255

    Dantrolene Sodium Heptahydrate

    Hydantoin derivative; RyR antagonist, L-type Ca...

    ≥98%
  • N1980

    Neuromedin B, pig

    Endogenous bombesin-related peptide, involved i...

    ≥95%

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

©2026 LKT Laboratories, All Rights Reserved - Products for research use only