MRT68921 dihydrochloride

Catalog No. Size PriceQuantity
M13145-2 2mg solid $100
M13145-10 10mg solid $300


MRT68921 dihydrochloride is a potent inhibitor of ULK1 and ULK2, with IC50 values of 2.9 nM and 1.1 nM, respectively.

Product information

CAS Number: 2080306-21-2

Molecular Weight: 507.50

Formula: C25H36Cl2N6O

Chemical Name: N-[3-({5-cyclopropyl-2-[(2-methyl-1,2,3,4-tetrahydroisoquinolin-6-yl)amino]pyrimidin-4-yl}amino)propyl]cyclobutanecarboxamide; bis(chlorohydrogen)

Smiles: Cl.Cl.CN1CC2C=CC(=CC=2CC1)NC1N=C(NCCCNC(=O)C2CCC2)C(=CN=1)C1CC1


InChi: InChI=1S/C25H34N6O.2ClH/c1-31-13-10-19-14-21(9-8-20(19)16-31)29-25-28-15-22(17-6-7-17)23(30-25)26-11-3-12-27-24(32)18-4-2-5-18;;/h8-9,14-15,17-18H,2-7,10-13,16H2,1H3,(H,27,32)(H2,26,28,29,30);2*1H

Technical Data

Appearance: Solid Power

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

Solubility: DMSO : 2 mg/mL (3.94 mM; Need ultrasonic). H2O : 33.33 mg/mL (65.67 mM; Need ultrasonic).

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 Vitro:

ULK1, a serine/threonine protein kinase, is essential for the initial stages of autophagy. MRT68921 inhibits ULK1 and ULK2 in vitro and block autophagy in cells. MRT68921 is the most potent inhibitor of both ULK1 and ULK2, with greater than a 15-fold reduction in the IC50 for ULK1 (2.9 nm) and greater than a 30-fold reduction for ULK2 (1.1 nm). Autophagy-inhibiting capacity of the compounds is specifically through ULK1. ULK1 inhibition results in accumulation of stalled early autophagosomal structures, indicating a role for ULK1 in the maturation of autophagosomes as well as initiation.


  1. Petherick KJ, et al. Pharmacological inhibition of ULK1 kinase blocks mammalian target of rapamycin (mTOR)-dependent autophagy. J Biol Chem. 2015 May 1;290(18):11376-83.

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

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