Date published: 2026-5-6

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Cyclosporin A-13C2,d4 (CAS 59865-13-3 (unlabeled))

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Alternate Names:
Cyclosporine-13C2,d4; Ciclosporin-13C2,d4; Atopica-13C2,d4
CAS Number:
59865-13-3 (unlabeled)
Molecular Weight:
1208.62
Molecular Formula:
C60(13C)2H107D4N11O12
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Cyclosporin A-13C2,d4 is a stable isotope-labeled analog of Cyclosporin A used extensively in analytical research, particularly in the development and refinement of mass spectrometric techniques. The incorporation of carbon-13 and deuterium isotopes allows for precise tracking and quantification of Cyclosporin A in complex biological matrices, aiding in kinetic and metabolic studies. This compound serves as an internal standard to ensure accuracy and reproducibility in quantitative analyses, as it behaves almost identically to the non-labeled compound under analytical conditions. In addition to its application in analytical methodologies, Cyclosporin A-13C2,d4 is also utilized in studies aimed at understanding the metabolic pathways of Cyclosporin A, as well as its interaction with biological systems at the molecular level. The compound′s stable isotope labeling is for differentiating it from endogenous substances and metabolites in mass spectrometry-based assays.


Cyclosporin A-13C2,d4 (CAS 59865-13-3 (unlabeled)) References

  1. Cyclosporins, fungal metabolites with immunosuppressive activities.  |  von Wartburg, A. and Traber, R. 1988. Prog Med Chem. 25: 1-33. PMID: 3076967

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Cyclosporin A-13C2,d4, 500 µg

sc-217986
500 µg
$769.00

Cyclosporin A-13C2,d4, 5 mg

sc-217986A
5 mg
$7293.00