Subasumstat (TAK-981)

Catalog No. Size PriceQuantity
M7533-2 2mg solid $120
M7533-10 10mg solid $385


Subasumstat (TAK-981) is a novel, selective inhibitor of the SUMOylation enzymatic cascade with potential immune-activating and antineoplastic activities.

Product information

CAS Number: 1858276-04-6

Molecular Weight: 578.10

Formula: C25H28ClN5O5S2

Chemical Name: [(1R,2S,4R)-4-[(5-[4-[(1R)-7-Chloro-1,2,3,4-tetrahydroisoquinolin-1-yl]-5-methylthiophene-2-carbonyl]pyrimidin-4-yl)amino]-2-hydroxycyclopentyl]methyl sulfamate

Smiles: CC1SC(=CC=1[C@@H]1NCCC2=CC=C(Cl)C=C21)C(=O)C1=CN=CN=C1N[C@@H]1C[C@H](COS(N)(=O)=O)[C@@H](O)C1


InChi: InChI=1S/C25H28ClN5O5S2/c1-13-18(23-19-7-16(26)3-2-14(19)4-5-29-23)9-22(37-13)24(33)20-10-28-12-30-25(20)31-17-6-15(21(32)8-17)11-36-38(27,34)35/h2-3,7,9-10,12,15,17,21,23,29,32H,4-6,8,11H2,1H3,(H2,27,34,35)(H,28,30,31)/t15-,17-,21+,23+/m1/s1

Technical Data

Appearance: Solid Power

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

Solubility: DMSO 100 mg/mL (172.98 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: ≥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:

In both mouse bone-marrow and human peripheral blood mononuclear cell derived dendritic cells (DCs), TAK-981 treatment ex vivo induced markers of activation and maturation including CD40, CD80 and CD86, as well as increased secretion of inflammatory cytokines like IP-10, MCP1, MIP-1α, MIP1β, IFNα and IFNβ.

In Vivo:

In vivo, a single sub-cutaneous injection of TAK-981 in naïve Balb/c mice at the brachial lymph nodes induced activation of DCs, measured as significant increases in CD40 and CD86 expression. TAK-981 demonstrates antitumor activity, including complete regression (CR) of some tumors, in immune-competent BALB/c mice bearing syngeneic A20 lymphoma tumors.


  1. Mithun Khattar, et al. Cancer Res 2019;79(13 Suppl):Abstract nr 3252.
  2. Allison J. Berger, et al. Cancer Res 2019;79(13 Suppl):Abstrac

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

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