IUPAC/Chemical Name
                                        ((S)-3-Methyl-1-((S)-2-((S)-4-methyl-2-(pyrazine-2-carboxamido)pentanamido)-3-(naphthalen-2-yl)propanamido)butyl)boronic acid
                                     
                                    
                                        InChi Key
                                        BJJCLDNVNAULGO-KYPHJKQUSA-N
                                     
                                    
                                        InChi Code
                                        InChI=1S/C29H38BN5O5/c1-18(2)13-23(33-29(38)25-17-31-11-12-32-25)27(36)34-24(28(37)35-26(30(39)40)14-19(3)4)16-20-9-10-21-7-5-6-8-22(21)15-20/h5-12,15,17-19,23-24,26,39-40H,13-14,16H2,1-4H3,(H,33,38)(H,34,36)(H,35,37)/t23-,24-,26+/m0/s1
                                     
                                    
                                        SMILES Code
                                        CC(C)C[C@H](B(O)O)NC([C@@H](NC([C@@H](NC(C1=NC=CN=C1)=O)CC(C)C)=O)CC2=CC=C3C=CC=CC3=C2)=O
                                     
                                    
                                    
                                        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
                                     
                                    
                                 
                             
                            
                                                        
                                                                
                                    Preparing Stock Solutions
                                    
                                        The following data is based on the
                                        product
                                        molecular weight
                                        547.46
                                        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.
                                    
                                    
                                    
                                        
                                            
                                            
                                                | 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: Huang W, Yuan X, Sun T, Fan S, Wang J, Zhou Q, Guo W, Ran F, Ge Z, Yang H, Li  R, Cui J. Proteasome Inhibitor YSY01A Abrogates Constitutive STAT3 Signaling via  Down-regulation of Gp130 and JAK2 in Human A549 Lung Cancer Cells. Front Pharmacol. 2017 Aug 24;8:476. doi: 10.3389/fphar.2017.00476. eCollection 2017. PubMed PMID: 28883791; PubMed Central PMCID: PMC5574410.
2: Huang W, Zhou Q, Yuan X, Ge ZM, Ran FX, Yang HY, Qiang GL, Li RT, Cui JR. Proteasome Inhibitor YSY01A Enhances Cisplatin Cytotoxicity in Cisplatin-Resistant Human Ovarian Cancer Cells. J Cancer. 2016 Jun 6;7(9):1133-41. doi: 10.7150/jca.14519. eCollection 2016. PubMed PMID: 27326257;  PubMed Central PMCID: PMC4911881.
3: Zhang M, Yuan X, Xu B, Guo W, Ran FX, Li RT, Cui JR. Anticancer Effect of a Novel Proteasome Inhibitor, YSY01A, via G2/M Arrest in PC-3M Cells in vitro and in vivo. J Cancer. 2015 Jun 11;6(8):701-8. doi: 10.7150/jca.11785. eCollection 2015. PubMed PMID: 26185531; PubMed Central PMCID: PMC4504105.
4: Xue B, Huang W, Yuan X, Xu B, Lou Y, Zhou Q, Ran F, Ge Z, Li R, Cui J. YSY01A, a Novel Proteasome Inhibitor, Induces Cell Cycle Arrest on G2 Phase in MCF-7 Cells via ERα and PI3K/Akt Pathways. J Cancer. 2015 Feb 6;6(4):319-26. doi: 10.7150/jca.10733. eCollection 2015. PubMed PMID: 25767601; PubMed Central PMCID: PMC4349871.