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(S, R, S)-AHPC-C5-COOH (VH032-C5-COOH) is a synthesized E3 ligase ligand-linker conjugate, contains the VH032 VHL-based ligand and a linker to form PROTACs. VH-032 is a selective and potent inhibitor of VHL/HIF-1α interaction with a Kd of 185 nM, has the potential for the study of anemia and ischemic diseases.

Product information

CAS Number: 2267282-19-7

Molecular Weight: 558.73

Formula: C29H42N4O5S

Chemical Name: 7-{[(2S)-1-[(2S, 4R)-4-hydroxy-2-({[4-(4-methyl-1, 3-thiazol-5-yl)phenyl]methyl}carbamoyl)pyrrolidin-1-yl]-3, 3-dimethyl-1-oxobutan-2-yl]amino}heptanoic acid

Smiles: CC1N=CSC=1C1C=CC(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NCCCCCCC(O)=O)C(C)(C)C)=CC=1


InChi: InChI=1S/C29H42N4O5S/c1-19-25(39-18-32-19)21-12-10-20(11-13-21)16-31-27(37)23-15-22(34)17-33(23)28(38)26(29(2,3)4)30-14-8-6-5-7-9-24(35)36/h10-13,18,22-23,26,30,34H,5-9,14-17H2,1-4H3,(H,31,37)(H,35,36)/t22-,23+,26-/m1/s1

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: Soluble in DMSO

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vitro:

PROTACs contain two different ligands connected by a linker; one is a ligand for an E3 ubiquitin ligase and the other is for the target protein. PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins.The von Hippel–Lindau tumor suppressor protein is the substrate-binding subunit of the VHL E3 ubiquitin ligase, it targets hydroxylated α subunit of HIFs for ubiquitination and subsequent proteasomal degradation.


  1. Soares P, et al. Group-Based Optimization of Potent and Cell-Active Inhibitors of the von Hippel-Lindau (VHL) E3 Ubiquitin Ligase: Structure-Activity Relationships Leading to the Chemical Probe (2S,4R)-1-((S)-2-(1-Cyanocyclopropanecarboxamido)-3,3-dimethylbutanoyl)-4-hydroxy-N-(4-(4-methylthiazol-5-yl)benzyl)pyrrolidine-2-carboxamide (VH298).J Med Chem. 2018 Jan 25;61(2):599-618.

Products are for research use only. Not for human use.


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