WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 40163

CAS#: 2519823-34-6

Description: BSJ-4-116 is a highly potent and selective CDK12 degrader (PROTAC) with an IC50 of 6 nM. BSJ-4-116 selectively degraded CDK12 as assessed through quantitative proteomics. Selective degradation of CDK12 resulted in premature cleavage and poly(adenylation) of DDR genes. Moreover, BSJ-4-116 exhibited potent antiproliferative effects, alone and in combination with the poly(ADP-ribose) polymerase inhibitor olaparib, as well as when used as a single agent against cell lines resistant to covalent CDK12 inhibitors. Two point mutations in CDK12 were identified that confer resistance to BSJ-4-116, demonstrating a potential mechanism that tumor cells can use to evade bivalent degrader.

Chemical Structure

CAS# 2519823-34-6

Theoretical Analysis

MedKoo Cat#: 40163
Name: BSJ-4-116
CAS#: 2519823-34-6
Chemical Formula: C40H49ClN8O8S
Exact Mass: 836.3083
Molecular Weight: 837.39
Elemental Analysis: C, 57.37; H, 5.90; Cl, 4.23; N, 13.38; O, 15.28; S, 3.83

Price and Availability

Size Price Availability Quantity
50.0mg USD 850.0 2 Weeks
100.0mg USD 1450.0 2 Weeks
200.0mg USD 2250.0 2 Weeks
500.0mg USD 3650.0 2 Weeks
1.0g USD 4950.0 2 Weeks
2.0g USD 8650.0 2 Weeks
Bulk inquiry

Synonym: BSJ-4-116; BSJ4-116; BSJ 4-116; BSJ-4116; BSJ4116; BSJ 4116;

IUPAC/Chemical Name: Acetamide, N-[7-[(3R)-3-[[5-chloro-4-[[2-[(1-methylethyl)sulfonyl]phenyl]amino]-2-pyrimidinyl]amino]-1-piperidinyl]heptyl]-2-[[2-(2,6-dioxo-3-piperidinyl)-2,3-dihydro-1,3-dioxo-1H-isoindol-4-yl]oxy]-


InChi Code: InChI=1S/C40H49ClN8O8S/c1-25(2)58(55,56)32-16-7-6-14-29(32)45-36-28(41)22-43-40(47-36)44-26-12-11-21-48(23-26)20-9-5-3-4-8-19-42-34(51)24-57-31-15-10-13-27-35(31)39(54)49(38(27)53)30-17-18-33(50)46-37(30)52/h6-7,10,13-16,22,25-26,30H,3-5,8-9,11-12,17-21,23-24H2,1-2H3,(H,42,51)(H,46,50,52)(H2,43,44,45,47)/t26-,30?/m1/s1


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 837.39 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

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Dilution Calculator

Calculate the dilution required to prepare a stock solution.

Jiang B, Gao Y, Che J, Lu W, Kaltheuner IH, Dries R, Kalocsay M, Berberich MJ, Jiang J, You I, Kwiatkowski N, Riching KM, Daniels DL, Sorger PK, Geyer M, Zhang T, Gray NS. Discovery and resistance mechanism of a selective CDK12 degrader. Nat Chem Biol. 2021 Jun;17(6):675-683. doi: 10.1038/s41589-021-00765-y. Epub 2021 Mar 22. PMID: 33753926.