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SIAIS178

Alias: SIAIS178 SIAIS-178
Cat No.:V40715 Purity: ≥98%
SIAIS178 is a potent and specific BCR-ABL degrader of the PROTAC class with IC50 of 24 nM.
SIAIS178
SIAIS178 Chemical Structure CAS No.: 2376047-73-1
Product category: New2
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
SIAIS178 is a potent and specific BCR-ABL degrader of the PROTAC class with IC50 of 24 nM. SIAIS178 degrades BCR-ABL proteins by recruiting Von Hippel-Lindau (VHL) E3 ubiquitin ligase. SIAIS178 has anti-tumor effects.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
In a concentration-dependent manner, SIAIS178 (1-100 nM) dramatically decreased BCR-ABL protein levels throughout a 16-hour period. The phosphorylation of BCR-ABL and its substrate STAT5 is strongly inhibited by SIAIS178 [1]. It has been observed that SIAIS178 (1, 10, 100, and 1000 nM) significantly inhibits the proliferation of BCR-ABL-driven CML cell lines. When used against BCR-ABL driven cell lines, SIAIS178 maintains its efficacy and selectivity [1].
ln Vivo
SIAIS178 (ip; 5, 15 and 45 mg/kg; 12 days) attenuates tumor development in a dose-dependent manner as demonstrated by serial volume assessments [1]. SIAIS178 (intravenous or intraperitoneal injection; 2 mg/kg; 24 hours) exhibits a T1/2 of 3.82 hours and 12.35 hours, with a Cmax of 1165.2 nM and 30 nM for intravenous and intraperitoneal administration, respectively [1].
Cell Assay
Western Blot Analysis[1]
Cell Types: K562 Cell
Tested Concentrations: 1, 3, 10, 30, 100 nM
Incubation Duration: 16 hrs (hours)
Experimental Results: Dramatically diminished BCR-ABL protein levels in a concentration-dependent manner.
Animal Protocol
Animal/Disease Models: Female Wistar rat [1]
Doses: 2 mg/kg (pharmacokinetic/PK/PK analysis)
Route of Administration: intravenous (iv) (iv)injection or intraperitoneal (ip) injection; 24-hour
Experimental Results: T1/2 of intravenous (iv) (iv)injection and intraperitoneal (ip) injection are respectively 3.82 and 12.35 hrs (hrs (hours)), Cmax were 1165.2 nM and 30 nM respectively.
References

[1]. Discovery of SIAIS178 as an Effective BCR-ABL Degrader by Recruiting Von Hippel-Lindau (VHL) E3 Ubiquitin Ligase. J Med Chem. 2019 Oct 24;62(20):9281-9298.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C50H62CLN11O6S2
Molecular Weight
1012.68038702011
Exact Mass
1011.401
CAS #
2376047-73-1
PubChem CID
139474625
Appearance
White to off-white solid powder
LogP
7.5
Hydrogen Bond Donor Count
5
Hydrogen Bond Acceptor Count
14
Rotatable Bond Count
19
Heavy Atom Count
70
Complexity
1750
Defined Atom Stereocenter Count
3
SMILES
ClC1=CC=CC(C)=C1NC(C1=CN=C(NC2=CC(=NC(C)=N2)N2CCN(C(CCCCCCC(N[C@H](C(N3C[C@@H](C[C@H]3C(NCC3C=CC(C4=C(C)N=CS4)=CC=3)=O)O)=O)C(C)(C)C)=O)=O)CC2)S1)=O
InChi Key
YGQREOJIRFCRKQ-ZIBKGDFVSA-N
InChi Code
InChI=1S/C50H62ClN11O6S2/c1-30-12-11-13-36(51)43(30)59-47(67)38-27-53-49(70-38)57-39-25-40(56-32(3)55-39)60-20-22-61(23-21-60)42(65)15-10-8-7-9-14-41(64)58-45(50(4,5)6)48(68)62-28-35(63)24-37(62)46(66)52-26-33-16-18-34(19-17-33)44-31(2)54-29-69-44/h11-13,16-19,25,27,29,35,37,45,63H,7-10,14-15,20-24,26,28H2,1-6H3,(H,52,66)(H,58,64)(H,59,67)(H,53,55,56,57)/t35-,37+,45-/m1/s1
Chemical Name
N-(2-chloro-6-methylphenyl)-2-[[6-[4-[8-[[(2S)-1-[(2S,4R)-4-hydroxy-2-[[4-(4-methyl-1,3-thiazol-5-yl)phenyl]methylcarbamoyl]pyrrolidin-1-yl]-3,3-dimethyl-1-oxobutan-2-yl]amino]-8-oxooctanoyl]piperazin-1-yl]-2-methylpyrimidin-4-yl]amino]-1,3-thiazole-5-carboxamide
Synonyms
SIAIS178 SIAIS-178
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~300 mg/mL (~296.24 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 7.5 mg/mL (7.41 mM) (saturation unknown) in 10% DMSO + 40% PEG300 +5% Tween-80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 75.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 + to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 0.9875 mL 4.9374 mL 9.8748 mL
5 mM 0.1975 mL 0.9875 mL 1.9750 mL
10 mM 0.0987 mL 0.4937 mL 0.9875 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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