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M13093-2 Contact sales@xcessbio.com for quotation $100
M13093-10 Contact sales@xcessbio.com for quotation $100


Ivacaftor-D9 (CTP-656) is a potent CFTR modulator and exhibits an EC50 value of 255 nM for CFTR potentiation in G551D/F508del HBE Cells. Ivacaftor-D9 acts as an orally active and improved deuterated Ivacaftor analog for cystic fibrosis research.

Product information

CAS Number: 1413431-07-8

Molecular Weight: 401.55

Formula: C24H28N2O3

Chemical Name: N-{2-tert-butyl-5-hydroxy-4-[2-(²H₃)methyl(1,1,1,3,3,3-²H₆)propan-2-yl]phenyl}-4-oxo-1,4-dihydroquinoline-3-carboxamide

Smiles: [2H]C([2H])([2H])C(C1C=C(C(=CC=1O)NC(=O)C1=CNC2=CC=CC=C2C1=O)C(C)(C)C)(C([2H])([2H])[2H])C([2H])([2H])[2H]


InChi: InChI=1S/C24H28N2O3/c1-23(2,3)16-11-17(24(4,5)6)20(27)12-19(16)26-22(29)15-13-25-18-10-8-7-9-14(18)21(15)28/h7-13,27H,1-6H3,(H,25,28)(H,26,29)/i4D3,5D3,6D3

Technical Data

Appearance: Solid Power

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

Solubility: To be determined

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: ≥12 months 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

How to use

In Vivo:

In PK study, CTP-656 (oral gavage; 10 mg/kg; single dose) shows a superior pharmacokinetic profile, The plasma levels of compound were measured over 72 hours,exhibits the parameters Cmax, AUC0-24 hr, C24hr and t1/2 of 1970 ng/ml (15%), 24,260 hr*ng/ml(17%), 413 ng/ml (19%) and 13.9 hours, respectively in Male Sprague-Dawley rats. CTP-656 (oral gavage; 3 mg/kg; single dose) exhibits the parameters Cmax, AUC0-24 hr, C24hr and t1/2 of 3643 ng/ml (9%), 49,782 hr*ng/ml(31%), 1418 ng/ml (31%) and 22.8 hours, respectively in Male Beagle Dogs (3.0 mg/kg).


  1. Mutyam V, et al. Therapeutic benefit observed with the CFTR potentiator, ivacaftor, in a CF patient homozygous for the W1282X CFTR nonsense mutation. J Cyst Fibros. 2017 Jan;16(1):24-29
  2. Hadida S, et al. Discovery of N-(2,4-di-tert-butyl-5-hydroxyphenyl)-4-oxo-1,4-dihydroquinoline-3-carboxamide (VX-770, ivacaftor), a potent and orally bioavailable CFTR potentiator. J Med Chem. 2014 Dec 11;57(23):9776-9.

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

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