A23187, free acid

Pricing Availability   Qty
Cat.No. 1234 - A23187, free acid | C29H37N3O6 | CAS No. 52665-69-7
Description: Calcium ionophore
Alternative Names: Calcimycin
Chemical Name: 5-(Methylamino)-2-[[2R,3R,6S,8S,9R,11R)-3,9,11-trimethyl-8-[(1S)-1-methyl-2-oxo-2-(1H-pyrrol-2-yl)-ethyl]-1,7-dioxaspiro[5.5]undec-2-yl]methyl]-4-benzoxazolecarboxylic acid
Purity: ≥98% (HPLC)
Citations (8)

Biological Activity

Calcium ionophore that induces Ca2+-dependent cell death by increasing intracellular calcium concentration. Promotes intracelllular ROS generation and platelet particle formation (fragmentation) in vitro and in vivo. Can be used to induce autophagy in mammalian cells.

Technical Data

M. Wt 523.63
Formula C29H37N3O6
Storage Desiccate at +4°C
Purity ≥98% (HPLC)
CAS Number 52665-69-7
PubChem ID 11957499
Smiles [H][C@@]1([C@H](C)C(C5=CC=CN5)=O)[C@H](C)C[C@@H](C)[C@@]2(O[C@H](CC3=NC(C(C(O)=O)=C(NC)C=C4)=C4O3)[C@H](C)CC2)O1

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

Tocris products are intended for laboratory research use only, unless stated otherwise.

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
DMSO 26.18 50

Preparing Stock Solutions

The following data is based on the product molecular weight 523.63. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
0.5 mM 3.82 mL 19.1 mL 38.19 mL
2.5 mM 0.76 mL 3.82 mL 7.64 mL
5 mM 0.38 mL 1.91 mL 3.82 mL
25 mM 0.08 mL 0.38 mL 0.76 mL

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

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

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Dilution Calculator

Calculate the dilution required to prepare a stock solution.

Product Datasheets

Certificate of Analysis / Product Datasheet
Select another batch:


References are publications that support the biological activity of the product.

Kajitani et al (2007) Mechanism of A23187-induced apoptosis in HL-60 cells: dependency on mitochondrial permeability transition but not NADPH oxidase. Biosci.Biotechnol.Bichem. 71 2701 PMID: 7535265

Nardi et al (2007) Platelet particle formation by anti-GPIIIa49-66 Ab, Ca2+ ionophore A23187, and phorbol myristate acetate is induced by reactive oxygen species and inhibited by dexamethasone blockade of platelet phospholipase A2, 12-lipoxygenase, and Blood 110 1989 PMID: 17545506

Sakanashi et al (2009) Zn2+, derived from cell preparation, partly attenuates Ca2+-dependent cell death induced by A23187, calcium ionophore, in rat thymocytes. Toxicol.In Vitro 23 338 PMID: 19124067

Ding et al (2007) Differential effects of endoplasmic reticulum stress-induced autophagy on cell survival. J.Biol.Chem. 282 4702 PMID: 17135238

If you know of a relevant reference for A23187, free acid, please let us know.

Keywords: A23187, free acid, A23187, free acid supplier, Calcium, ionophore, Ca2+, Ionophore, Signaling, Signalling, Agents, General, antibiotics, Calcimycin, Ionophores, Antibiotics, Autophagy, 1234, Tocris Bioscience

8 Citations for A23187, free acid

Citations are publications that use Tocris products. Selected citations for A23187, free acid include:

Díaz et al (2015) Biomechanical forces promote blood development through prostaglandin E2 and the cAMP-PKA signaling axis. J Exp Med 212 665 PMID: 25870199

Yung et al (2013) Activation of AMPK inhibits cervical cancer cell growth through AKT/FOXO3a/FOXM1 signaling cascade. Neuropharmacology 13 327 PMID: 23819460

Arozarena et al (2011) Oncogenic BRAF induces melanoma cell invasion by downregulating the cGMP-specific phosphodiesterase PDE5A. Cancer Cell 19 45 PMID: 21215707

Cheang et al (2011) Endothelial nitric oxide synthase enhancer reduces oxidative stress and restores endothelial function in db/db mice. Cell Death Dis 92 267 PMID: 21875904

Cahalan et al (2015) Piezo1 links mechanical forces to red blood cell volume. Cardiovasc Res 4 PMID: 26001274

Schöndorf et al (2014) iPSC-derived neurons from GBA1-associated Parkinson's disease patients show autophagic defects and impaired calcium homeostasis. Nat Commun 5 4028 PMID: 24905578

Hou et al (2016) Necrotic pyknosis is a morphologically and biochemically distinct event from apoptotic pyknosis. J Cell Sci 129 3084 PMID: 27358477

Harper and Poole (2013) Chloride channels are necessary for full platelet phosphatidylserine exposure and procoagulant activity. BMC Cancer 4 e969 PMID: 24357800

Do you know of a great paper that uses A23187, free acid from Tocris? Please let us know.

Reviews for A23187, free acid

There are currently no reviews for this product. Be the first to review A23187, free acid and earn rewards!

Have you used A23187, free acid?

Submit a review and receive an Amazon gift card.

$50/€35/£30/$50CAN/¥300 Yuan/¥5000 Yen for first to review with an image

$25/€18/£15/$25CAN/¥75 Yuan/¥1250 Yen for a review with an image

$10/€7/£6/$10 CAD/¥70 Yuan/¥1110 Yen for a review without an image

Submit a Review