Amyloid β-peptide (1-42) (rat)

Pricing Availability Delivery Time Qty
Cat.No. 2425 - Amyloid b-peptide (1-42) (rat) | Asp-Ala-Glu-Phe-Gly-His-Asp-Ser-Gly-Phe-Glu-Val-Arg-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Glu-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-Ile-Ala | CAS No. 166090-74-0
Description: Predominant amyloid β-protein fragment
Citations (1)

Biological Activity

Rat form of the predominant amyloid β-peptide found in plaques associated with Alzheimer's disease. Leads to a large shift in the bax/bcl-2 ratio in favour of pro-apoptotic bax. Neurotoxic.

Technical Data

M. Wt 4417.99
Formula C199H307N53O59S
Storage Desiccate at -20°C
CAS Number 166090-74-0
PubChem ID 71581490
Smiles [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)NCC(=O)N[C@@H](CC1=CNC=N1)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CO)C(=O)NCC(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC1=CNC=N1)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](C(C)C)C(=O)NCC(=O)N[C@@H](CO)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCCCN)C(=O)NCC(=O)N[C@@H](C)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](C(C)C)C(=O)NCC(=O)NCC(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C)C(O)=O

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

All Tocris products are intended for laboratory research use only.

Solubility Data

SolubilitySoluble to 1 mg/ml in 0.1% Ammonia

Preparing Stock Solutions

The following data is based on the product molecular weight 4417.99. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 0.23 mL 1.13 mL 2.26 mL
5 mM 0.05 mL 0.23 mL 0.45 mL
10 mM 0.02 mL 0.11 mL 0.23 mL
50 mM 0 mL 0.02 mL 0.05 mL

Molarity Calculator

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*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

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Product Datasheets

Certificate of Analysis / Product Datasheet
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Safety Datasheet


References are publications that support the products' biological activity.

Van Nostrand et al (1996) Amyloid β-protein induces the cerebrovascular cellular pathology of Alzheimer's disease and related disorders. Ann.N.Y.Acad.Sci. 777 297 PMID: 8624102

Glenner and Wong (1984) Alzheimer's disease: initial report of the purification and characterization of a novel cerebrovascular amyloid protein. Biochem.Biophys.Res.Comm. 120 885 PMID:

Clementi et al (2006) Alzheimer's amyloid β-peptide (1-42) induces cell death in human neuroblastoma via bax/bcl-2 ratio increase: An intriguing role for methionine 35. Biochem.Biophys.Res.Comm. 342 206 PMID:

If you know of a relevant reference for Amyloid β-peptide (1-42) (rat), please let us know.

View Related Products by Target

Keywords: Amyloid β-protein beta-protein fragment β-Amyloid beta-Amyloid b-amyloid Precursor Protein APP Secretase beta Peptides β-peptide beta-peptide 1-42 (rat) amyloidbeta amyloidb amyloidβ Amyloid Beta Peptides

1 Citation for Amyloid β-peptide (1-42) (rat)

Citations are publications that use Tocris products. Selected citations for Amyloid β-peptide (1-42) (rat) include:

Yulei et al (2016) Partial Amelioration of Synaptic and Cognitive Deficits by Inhibiting Cofilin Dephosphorylation in an Animal Model of Alzheimer's Disease Journal of Alzheimer's Disease 53 1419 PMID: 27372643

Do you know of a great paper that uses Amyloid β-peptide (1-42) (rat) from Tocris? If so please let us know.

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Literature in this Area


Neurodegeneration Product Guide

A collection of over 275 products for neurodegeneration research, the guide includes research tools for the study of:

  • Alzheimer's disease
  • Parkinson's disease
  • Huntington's disease

Alzheimer's Poster

Alzheimer's disease (AD) is a degenerative brain disease and the most common cause of dementia, affecting approximately 47 million people worldwide. Updated in 2015, this poster summarizes the structural and functional changes observed in the progression of this neurodegenerative disease, as well as classic AD drug targets.

Pathways for Amyloid β-peptide (1-42) (rat)


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