MedKoo Cat#: 128124 | Name: SI-203

Description:

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

SI-203 is a high-affinity STAT3 ligand with much improved chemical stability.

Chemical Structure

SI-203
SI-203
CAS#N/A

Theoretical Analysis

MedKoo Cat#: 128124

Name: SI-203

CAS#: N/A

Chemical Formula: C39H43F2N6O8PS

Exact Mass: 824.2569

Molecular Weight: 824.84

Elemental Analysis: C, 56.79; H, 5.25; F, 4.61; N, 10.19; O, 15.52; P, 3.76; S, 3.89

Price and Availability

This product is currently not in stock but may be available through custom synthesis. To ensure cost efficiency, the minimum order quantity is 1 gram. The estimated lead time is 2 to 4 months, with pricing dependent on the complexity of the synthesis (typically high for intricate chemistries). Quotes for quantities below 1 gram will not be provided. To request a quote, please click the button below. Note: If this product becomes available in stock in the future, pricing will be listed accordingly.
Bulk Inquiry
Related CAS #
No Data
Synonym
SI-203; SI203; SI 203
IUPAC/Chemical Name
((2-(((5S,8S,10aR)-8-(((S)-5-amino-1-(benzhydrylamino)-1,5-dioxopentan-2-yl)carbamoyl)-3-methyl-6-oxodecahydropyrrolo[1,2-a][1,5]diazocin-5-yl)carbamoyl)benzo[b]thiophen-5-yl)difluoromethyl)phosphonic acid
InChi Key
SUVKMIQFBWXGAC-RYTSNQFKSA-N
InChi Code
InChI=1S/C39H43F2N6O8PS/c1-46-19-18-27-13-15-30(36(50)43-28(14-17-33(42)48)35(49)45-34(23-8-4-2-5-9-23)24-10-6-3-7-11-24)47(27)38(52)29(22-46)44-37(51)32-21-25-20-26(12-16-31(25)57-32)39(40,41)56(53,54)55/h2-12,16,20-21,27-30,34H,13-15,17-19,22H2,1H3,(H2,42,48)(H,43,50)(H,44,51)(H,45,49)(H2,53,54,55)/t27-,28+,29+,30+/m1/s1
SMILES Code
FC(F)(P(O)(O)=O)C1=CC2=C(SC(C(N[C@@H]3C(N([C@H](C(N[C@@H](CCC(N)=O)C(NC(C4=CC=CC=C4)C5=CC=CC=C5)=O)=O)CC6)[C@H]6CCN(C)C3)=O)=O)=C2)C=C1
Appearance
To be determined
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
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 824.84 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
Discovery of SD-436: A Potent, Highly Selective and Efficacious STAT3 PROTAC Degrader Capable of Achieving Complete and Long-Lasting Tumor Regression Renqi Xu, Haibin Zhou, Longchuan Bai, Donna McEachern, Dimin Wu, Ranjan Kumar Acharyya, Mi Wang, Jelena Tošović, Chao-Yie Yang, Krishnapriya Chinnaswamy, Jennifer L. Meagher, Jeanne A. Stuckey, Cai Liu, Meilin Wang, Bo Wen, Duxin Sun, and Shaomeng Wang Journal of Medicinal Chemistry Article ASAP DOI: 10.1021/acs.jmedchem.4c01946