K-7174 Free Base

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MedKoo CAT#: 414201

CAS#: 191089-59-5 (free base)

Description: K-7174 Free Base is a 20S proteasome inhibitor that inhibits binding of monocytes to cytokine-stimulated endothelial cells.

Chemical Structure

K-7174 Free Base
CAS# 191089-59-5 (free base)

Theoretical Analysis

MedKoo Cat#: 414201
Name: K-7174 Free Base
CAS#: 191089-59-5 (free base)
Chemical Formula: C33H48N2O6
Exact Mass: 568.3512
Molecular Weight: 568.76
Elemental Analysis: C, 69.69; H, 8.51; N, 4.93; O, 16.88

Price and Availability

Size Price Availability Quantity
5.0mg USD 295.0 2 Weeks
10.0mg USD 486.0 2 Weeks
25.0mg USD 841.0 2 Weeks
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Related CAS #: 191089-60-8 (HCl)   191089-59-5 (free base)  

Synonym: K-7174 Free Base; K7174; K 7174

IUPAC/Chemical Name: 1H-1,4-Diazepine, hexahydro-1,4-bis((4E)-5-(3,4,5-trimethoxyphenyl)-4-penten-1-yl)-


InChi Code: InChI=1S/C33H48N2O6/c1-36-28-22-26(23-29(37-2)32(28)40-5)14-9-7-11-16-34-18-13-19-35(21-20-34)17-12-8-10-15-27-24-30(38-3)33(41-6)31(25-27)39-4/h9-10,14-15,22-25H,7-8,11-13,16-21H2,1-6H3/b14-9+,15-10+


Appearance: Solid powder

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

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).

Solubility: To be determined

Shelf Life: >2 years if stored properly

Drug Formulation: To be determined

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

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 568.76 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Kikuchi J, Yamada S, Koyama D, Wada T, Nobuyoshi M, Izumi T, Akutsu M, Kano Y, Furukawa Y. The novel orally active proteasome inhibitor K-7174 exerts anti- myeloma activity in vitro and in vivo by down-regulating the expression of class I histone deacetylases. J Biol Chem. 2013 Aug 30;288(35):25593-25602. doi: 10.1074/jbc.M113.480574. Epub 2013 Jul 22. PMID: 23878197; PMCID: PMC3757220.

2: Imagawa S, Nakano Y, Obara N, Suzuki N, Doi T, Kodama T, Nagasawa T, Yamamoto M. A GATA-specific inhibitor (K-7174) rescues anemia induced by IL-1beta, TNF- alpha, or L-NMMA. FASEB J. 2003 Sep;17(12):1742-4. doi: 10.1096/fj.02-1134fje. Epub 2003 Jul 18. PMID: 12958195.

3: Takano Y, Hiramatsu N, Okamura M, Hayakawa K, Shimada T, Kasai A, Yokouchi M, Shitamura A, Yao J, Paton AW, Paton JC, Kitamura M. Suppression of cytokine response by GATA inhibitor K-7174 via unfolded protein response. Biochem Biophys Res Commun. 2007 Aug 24;360(2):470-5. doi: 10.1016/j.bbrc.2007.06.082. Epub 2007 Jun 26. PMID: 17604001.

4: Shimada T, Hiramatsu N, Okamura M, Hayakawa K, Kasai A, Yao J, Kitamura M. Unexpected blockade of adipocyte differentiation by K-7174: implication for endoplasmic reticulum stress. Biochem Biophys Res Commun. 2007 Nov 16;363(2):355-60. doi: 10.1016/j.bbrc.2007.08.167. Epub 2007 Sep 6. PMID: 17869220.

5: Umetani M, Nakao H, Doi T, Iwasaki A, Ohtaka M, Nagoya T, Mataki C, Hamakubo T, Kodama T. A novel cell adhesion inhibitor, K-7174, reduces the endothelial VCAM-1 induction by inflammatory cytokines, acting through the regulation of GATA. Biochem Biophys Res Commun. 2000 Jun 7;272(2):370-4. doi: 10.1006/bbrc.2000.2784. PMID: 10833420.

6: Nakano Y, Imagawa S, Matsumoto K, Stockmann C, Obara N, Suzuki N, Doi T, Kodama T, Takahashi S, Nagasawa T, Yamamoto M. Oral administration of K-11706 inhibits GATA binding activity, enhances hypoxia-inducible factor 1 binding activity, and restores indicators in an in vivo mouse model of anemia of chronic disease. Blood. 2004 Dec 15;104(13):4300-7. doi: 10.1182/blood-2004-04-1631. Epub 2004 Aug 24. PMID: 15328158.

7: Kikuchi J, Shibayama N, Yamada S, Wada T, Nobuyoshi M, Izumi T, Akutsu M, Kano Y, Sugiyama K, Ohki M, Park SY, Furukawa Y. Homopiperazine derivatives as a novel class of proteasome inhibitors with a unique mode of proteasome binding. PLoS One. 2013 Apr 11;8(4):e60649. doi: 10.1371/journal.pone.0060649. PMID: 23593271; PMCID: PMC3623906.

8: Fujiwara T, Ikeda T, Nagasaka Y, Okitsu Y, Katsuoka Y, Fukuhara N, Onishi Y, Ishizawa K, Ichinohasama R, Tomosugi N, Harigae H. A low-molecular-weight compound K7174 represses hepcidin: possible therapeutic strategy against anemia of chronic disease. PLoS One. 2013 Sep 27;8(9):e75568. doi: 10.1371/journal.pone.0075568. PMID: 24086573; PMCID: PMC3785497.