MedKoo Cat#: 593158 | Name: SD-36 free acid
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Description:

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

​SD-36 is a potent and selective PROTAC degrader of STAT3, exhibiting a dissociation constant (K<sub>d</sub>) of approximately 50 nM and demonstrating high specificity over other STAT family members. In vitro studies have shown that SD-36 effectively depletes both monomeric and dimeric STAT3 proteins in MOLM-16 cells at a concentration of 1 μM within 5 hours. Additionally, SD-36 suppresses STAT3 transcriptional activity with an IC<sub>50</sub> of 10 nM and inhibits the proliferation of various leukemia and lymphoma cell lines, including MOLM-16, DEL, Karpas-299, KI-JK, SU-DHL-I, and SUP-M2, with IC<sub>50</sub> values below 2 μM. In vivo, SD-36 achieves complete and sustained tumor regression in mouse xenograft models, such as MOLM-16 and SU-DHL-1, at well-tolerated doses ranging from 25 to 100 mg/kg administered intravenously.

Chemical Structure

SD-36 free acid
SD-36 free acid
CAS#2429877-44-9 (free acid)

Theoretical Analysis

MedKoo Cat#: 593158

Name: SD-36 free acid

CAS#: 2429877-44-9 (free acid)

Chemical Formula: C59H62F2N9O12P

Exact Mass: 1157.4224

Molecular Weight: 1158.17

Elemental Analysis: C, 61.19; H, 5.40; F, 3.28; N, 10.88; O, 16.58; P, 2.67

Price and Availability

Size Price Availability Quantity
1mg USD 950.00 2 Weeks
5mg USD 2,150.00 2 Weeks
10mg USD 3,450.00 2 Weeks
25mg USD 5,450.00 2 Weeks
50mg USD 9,650.00 2 Weeks
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Synonym
SD36; SD 36; SD-36;
IUPAC/Chemical Name
((2-(((5S,8S,10aR)-8-(((S)-5-amino-1-(benzhydrylamino)-1,5-dioxopentan-2-yl)carbamoyl)-3-(8-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-yl)oct-7-ynoyl)-6-oxodecahydropyrrolo[1,2-a][1,5]diazocin-5-yl)carbamoyl)-1H-indol-5-yl)difluoromethyl)phosphonic acid
InChi Key
JKCSCHXVWPSGBG-OPKPGBGESA-N
InChi Code
InChI=1S/C59H62F2N9O12P/c60-59(61,83(80,81)82)39-21-23-43-38(31-39)32-45(63-43)54(75)65-46-34-68(51(73)20-11-3-1-2-6-13-35-18-12-19-41-42(35)33-69(57(41)78)47-26-28-50(72)66-55(47)76)30-29-40-22-25-48(70(40)58(46)79)56(77)64-44(24-27-49(62)71)53(74)67-52(36-14-7-4-8-15-36)37-16-9-5-10-17-37/h4-5,7-10,12,14-19,21,23,31-32,40,44,46-48,52,63H,1-3,11,20,22,24-30,33-34H2,(H2,62,71)(H,64,77)(H,65,75)(H,67,74)(H,66,72,76)(H2,80,81,82)/t40-,44+,46+,47?,48+/m1/s1
SMILES Code
FC(C1=CC2=C(NC(C(N[C@H]3CN(C(CCCCCC#CC4=CC=CC5=C4CN(C(CC6)C(NC6=O)=O)C5=O)=O)CC[C@](CC[C@H]7C(N[C@@H](CCC(N)=O)C(NC(C8=CC=CC=C8)C9=CC=CC=C9)=O)=O)([H])N7C3=O)=O)=C2)C=C1)(P(O)(O)=O)F
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
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
2934.99.9001
More Info
Solvent mg/mL mM
Solubility
Soluble in DMSO 0.0 100.00
Note: There can be variations in solubility for the same chemical from different vendors or different batches from the same vendor. The following factors can affect the solubility of the same chemical: solvent used for crystallization, residual solvent content, polymorphism, salt versus free form, degree of hydration, solvent temperature. Please use the solubility data as a reference only. Warming and sonication will facilitate dissolving. Still have questions? Please contact our Technical Support scientists.

Preparing Stock Solutions

The following data is based on the product molecular weight 1,158.17 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
1. Zhou H, Bai L, Xu R, Zhao Y, Chen J, McEachern D, Chinnaswamy K, Wen B, Dai L,Kumar P, Yang CY, Liu Z, Wang M, Liu L, Meagher JL, Yi H, Sun D, Stuckey JA, Wang S. Structure-Based Discovery of SD-36 as a Potent, Selective, and Efficacious PROTAC Degrader of STAT3 Protein. J Med Chem. 2019 Dec 10. doi: 10.1021/acs.jmedchem.9b01530. [Epub ahead of print] PubMed PMID: 31747516. 2. Bai L, Zhou H, Xu R, Zhao Y, Chinnaswamy K, McEachern D, Chen J, Yang CY, Liu Z, Wang M, Liu L, Jiang H, Wen B, Kumar P, Meagher JL, Sun D, Stuckey JA, Wang S. A Potent and Selective Small-Molecule Degrader of STAT3 Achieves Complete Tumor Regression In Vivo. Cancer Cell. 2019 Nov 11;36(5):498-511.e17. doi: 10.1016/j.ccell.2019.10.002. PubMed PMID: 31715132; PubMed Central PMCID: PMC6880868.