Catalog No. Size PriceQuantity
M12727-2 2mg solid $240
M12727-10 10mg solid $900


Shield-1 is a specific, cell-permeant and high-affinity ligand of FK506-binding protein-12 (FKBP), and reverses the instability by binding to mutated FKBP (mtFKBP), allowing conditional expression of mtFKBP-fused proteins. Shield-1 can stabilize the entire fusion protein.

Product information

CAS Number: 914805-33-7

Molecular Weight: 748.90

Formula: C42H56N2O10

Chemical Name: (1R)-3-(3, 4-dimethoxyphenyl)-1-{3-[2-(morpholin-4-yl)ethoxy]phenyl}propyl (2S)-1-[(2S)-2-(3, 4, 5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate

Smiles: CC[C@@H](C1C=C(OC)C(OC)=C(C=1)OC)C(=O)N1CCCC[C@H]1C(=O)O[C@H](CCC1=CC(OC)=C(C=C1)OC)C1=CC(=CC=C1)OCCN1CCOCC1


InChi: InChI=1S/C42H56N2O10/c1-7-33(31-27-38(49-4)40(51-6)39(28-31)50-5)41(45)44-18-9-8-13-34(44)42(46)54-35(16-14-29-15-17-36(47-2)37(25-29)48-3)30-11-10-12-32(26-30)53-24-21-43-19-22-52-23-20-43/h10-12,15,17,25-28,33-35H,7-9,13-14,16,18-24H2,1-6H3/t33-,34-,35+/m0/s1

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO : ≥ 250 mg/mL (333.82 mM)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥360 days if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200


  1. Schoeber JP, et al. Conditional fast expression and function of multimeric TRPV5 channels using Shield-1. Am J Physiol Renal Physiol. 2009 Jan;296(1):F204-11.
  2. Li S, et al. Effects of Shield1 on the viral replication of varicella zoster virus containing FKBP tagged ORF4and 48. Mol Med Rep. 2018 Jan;17(1):763-770.

Products are for research use only. Not for human use.

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