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Cyclosporin A

98.5-101.5% (on dried basis)

Antibiotic S 7481F1, Cyclosporine
Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
MDL number:
PubChem Substance ID:

Quality Level


98.5-101.5% (on dried basis)


powder or crystals


white to off-white

Mode of action

enzyme | inhibits

antibiotic activity spectrum


storage temp.


SMILES string




InChI key


Gene Information

human ... PPIA(5478)

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General description

Chemical structure: peptide


25, 100 mg in glass bottle
Bottomless glass bottle. Contents are inside inserted fused cone.


Cyclosporin A is used for immunosuppressive studies .

Biochem/physiol Actions

A fungal metabolite possessing potent immunosuppressive properties. It inhibits the T-cell receptor signal transduction pathway via the formation of cyclosporin A−cyclophilin complex that inhibits calcineurin (protein phosphatase 2B). Inhibits nitric oxide synthesis induced by interleukin 1α, lipopolysaccharides and TNFα. Can block cytochrome c release from mitochondria.

Other Notes

Keep container tightly closed in a dry and well-ventilated place. Keep in a dry place.Storage class (TRGS 510): Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects.


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Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Carc. 1B - Repr. 1B

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects



Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Certificate of Origin

Valerie Waters et al.
American journal of respiratory cell and molecular biology, 33(2), 138-144 (2005-05-10)
Cyclosporin A (CsA) blocks T cell activation by interfering with the Ca2+-dependent phosphatase, calcineurin. Proinflammatory responses to bacteria that are activated by Ca2+-fluxes in airway cells are a potential target for CsA. Although local immunosuppression may be advantageous to control
C Frieke Kuper et al.
Toxicologic pathology, 35(2), 226-232 (2007-03-17)
The effects of cyclosporin A (CY) and cyclophosphamide (CPS) on Peyer's patches (PP) were studied in Wistar rats, exposed in utero and neonatally or during adult age. In one study, pregnant dams received 5 or 15 mg/kg bw/day CY from
Xiao-Ling Liu et al.
Bioorganic & medicinal chemistry, 16(1), 171-180 (2007-10-30)
A library of chalcones with basic functionalities were screened for inhibition of P-glycoprotein (Pgp, ABCB1) by the calcein-AM accumulation assay on MDCKII/MDR1 cells. Three members that had ring A substituted with 5-(1-ethylpiperidin-4-yl) and 2,4-dimethoxy groups were found to increase calcein-AM
Mi-Yeon Jang et al.
Journal of medicinal chemistry, 54(2), 655-668 (2010-12-22)
Herein we describe the synthesis and in vitro and in vivo activity of thiazolo[5,4-d]pyrimidines as a novel class of immunosuppressive agents, useful for preventing graft rejection after organ transplantation. This research resulted in the discovery of a series of compounds
Lotte Coelmont et al.
Antimicrobial agents and chemotherapy, 53(3), 967-976 (2008-12-24)
Debio 025 is a potent inhibitor of hepatitis C virus (HCV) replication (J. Paeshuyse et al., Hepatology 43:761-770, 2006). In phase I clinical studies, monotherapy (a Debio 025 dose of 1,200 mg twice a day) resulted in a mean maximal


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