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MedKoo CAT#: 408008

CAS#: 1872387-43-3

Description: DC661 is a potent palmitoyl-protein thioesterase 1 (PPT1) inhibitor. DC661 inhibits autophagy. DC661 is capable of deacidifying the lysosome and inhibiting autophagy significantly better than hydroxychloroquine (HCQ).

Price and Availability

Size Price Shipping out time Quantity
10mg USD 150 Same day
25mg USD 250 Same day
50mg USD 450 Same day
100mg USD 750 Same day
200mg USD 1250 Same day
500mg USD 1950 Same day
1g USD 2950 Same day
2g USD 5650 Same day
Inquire bulk and customized quantity

Pricing updated 2020-06-05. Prices are subject to change without notice.

DC661, purity > 98%, is in stock. The same day shipping out after order is received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 408008
Name: DC661
CAS#: 1872387-43-3
Chemical Formula: C31H39Cl2N5
Exact Mass: 551.2583
Molecular Weight: 552.588
Elemental Analysis: C, 67.38; H, 7.11; Cl, 12.83; N, 12.67

Synonym: DC661; DC-661; DC 661;

IUPAC/Chemical Name: N1-(7-chloroquinolin-4-yl)-N6-(6-((7-chloroquinolin-4-yl)amino)hexyl)-N6-methylhexane-1,6-diamine


InChi Code: InChI=1S/C31H39Cl2N5/c1-38(20-8-4-2-6-16-34-28-14-18-36-30-22-24(32)10-12-26(28)30)21-9-5-3-7-17-35-29-15-19-37-31-23-25(33)11-13-27(29)31/h10-15,18-19,22-23H,2-9,16-17,20-21H2,1H3,(H,34,36)(H,35,37)


Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Safety Data Sheet (SDS):

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO

Shelf Life:
>3 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code:


1: Rebecca VW, Nicastri MC, Fennelly C, Chude CI, Barber-Rotenberg JS, Ronghe A,
McAfee Q, McLaughlin NP, Zhang G, Goldman AR, Ojha R, Piao S, Noguera-Ortega E,
Martorella A, Alicea GM, Lee JJ, Schuchter LM, Xu X, Herlyn M, Marmorstein R,
Gimotty PA, Speicher DW, Winkler JD, Amaravadi RK. PPT1 Promotes Tumor Growth and
Is the Molecular Target of Chloroquine Derivatives in Cancer. Cancer Discov. 2019
Feb;9(2):220-229. doi: 10.1158/2159-8290.CD-18-0706. Epub 2018 Nov 15. PubMed
PMID: 30442709; PubMed Central PMCID: PMC6368875.