1. Cell Cycle/DNA Damage
    Epigenetics
  2. HDAC

HDAC6-IN-1 

Cat. No.: HY-18947 Purity: 98.49%
Handling Instructions

HDAC6-IN-1 is a potent and selective inhibitor for HDAC6 with an IC50 of 17 nM and shows 25-fold and 200-fold selectivity relative to HDAC1 (IC50=422 nM) and HDAC8 (IC50=3398 nM), respectively.

For research use only. We do not sell to patients.

HDAC6-IN-1 Chemical Structure

HDAC6-IN-1 Chemical Structure

CAS No. : 1815580-06-3

Size Price Stock Quantity
10 mM * 1 mL in DMSO USD 340 In-stock
Estimated Time of Arrival: December 31
1 mg USD 150 In-stock
Estimated Time of Arrival: December 31
5 mg USD 390 In-stock
Estimated Time of Arrival: December 31
10 mg USD 550 In-stock
Estimated Time of Arrival: December 31
50 mg USD 1800 In-stock
Estimated Time of Arrival: December 31
100 mg USD 2800 In-stock
Estimated Time of Arrival: December 31
200 mg   Get quote  
500 mg   Get quote  

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Customer Review

  • Biological Activity

  • Protocol

  • Technical Information

  • Purity & Documentation

  • References

Description

HDAC6-IN-1 is a potent and selective inhibitor for HDAC6 with an IC50 of 17 nM and shows 25-fold and 200-fold selectivity relative to HDAC1 (IC50=422 nM) and HDAC8 (IC50=3398 nM), respectively.

IC50 & Target

IC50: 17 nM (HDAC6), 422 nM (HDAC1), 398 nM (HDAC8)[1]

In Vitro

HDAC6-IN-1 (Compound 23bb) presents low nanomolar antiproliferative effects against panel of cancer cell lines. The antiproliferative activity is ton human malignant melanoma A375 cells and cervical cancer HeLa cells, HDAC6-IN-1 shows the most potent activities with IC50 values of 50 and 49 nM on A375 and HeLa cells, respectively. The antiproliferative activities against 11 kinds of hematological tumors (myelomaU266, RPMI8226 cells, human leukemia MV4-11, K562 cells, and human B cell lymphoma Ramos cells) or solid tumors (ovarian cancer A2780s, SKOV-3 cells, breast cancer SKBR3 cells, liver cancer HepG2 cells, lung cancer H460, A549 cells, cervical cancer HeLa cells and colon cancer HCT116, HT29 cells) cell lines of the HDAC6-IN-1 are evaluated by MTT, and the SAHA and ACY-1215 are as positive control. HDAC6-IN-1 shows significant antiproliferative potential with the IC50 values ranging from 14 to 104 nM in these tumor cell lines[1].

In Vivo

HDAC6-IN-1 (Compound 23bb) reduces the tumor growth in both the hematological tumor MV4-11 xenograft model and solid tumor HCT116 xenograft model. The significant antitumor activities are observed by intravenous administration of HDAC6-IN-1 at 50 mg/kg on MV4-11 and HCT116 xenograft models. The growth of MV4-11 and HCT116 cancer cell xenografts is suppressed by 55.0% and 76.3% (percent of tumor mass change [TGI] values) after iv administration of HDAC6-IN-1 at 50 mg/kg. The HCT116 xenograft model is also established to investigate the antitumor activity of oral administration of HDAC6-IN-1. The TGI value of oral administration of HDAC6-IN-1 (25 mg/kg) on HCT116 xenograft model is 60.4%, which is superior to the SAHA group (100 mg/kg, 59.2%). Additionally, the body weight decrease is acceptable and no other adverse effects are observed upon treatment with HDAC6-IN-1. Low clearance (CL=7.008 L/kg per hour for iv, CL=12.877 L/kg per hour for po) and long terminal half-life (t1/2=7.658 h for iv, t1/2=9.62 h for po) are observed in HDAC6-IN-1. The oral bioavailability of HDAC6-IN-1 is excellent in rats and the bioavailability is up to 47.0%[1].

Solvent & Solubility
In Vitro: 

DMSO : 32 mg/mL (80.72 mM; Need ultrasonic and warming)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.5224 mL 12.6122 mL 25.2245 mL
5 mM 0.5045 mL 2.5224 mL 5.0449 mL
10 mM 0.2522 mL 1.2612 mL 2.5224 mL
*Please refer to the solubility information to select the appropriate solvent.
References
Kinase Assay
[1]

In vitro HDACs inhibition assay is conducted utilizing 4-amino-7-methylcoumarin (AMC) labeled Ac-peptide (Ac-peptide-AMC) substrates. In detail, upon deacetylation of the substrate, the release of AMC is promoted in the existence of trypsin. The compounds, diluted to the indicated concentrations, are mixed with full-length recombinant HDAC enzymes, trypsin, as well as Ac-peptide-AMC substrates and incubated at room temperature for 1 h. The fluorescence intensity is measured with excitation at 355 nm wavelength and emission at 460 nm wavelength. The inhibition rates of the tested groups are calculated via comparison with the DMSO (vehicle) treated group[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Cell Assay
[1]

A375, A2780s, SKBR3, HepG2, HeLa, HCT116, A549, and SKOV-3 cells are cultured in DMEM. RPMI8226, K562, H460, HT29, and Ramos cells are cultured in RPMI-1640 medium. MV4-11 cells are cultured in IMDM. All media contains 10% fetal bovine serum (FBS), 100 units/mL Penicillin, and 100 μg/mL Streptomycin. Cells are incubated at 37 °C in a humidified atmosphere of 5% CO2. Cells in logarithmic phase are seeded into 96-well culture plates at densities of 3000-5000 cells per well and subsequently treated with various concentrations of compounds (e.g., HDAC6-IN-1;10, 100, 1000, and 10000 nM) for 72 h in final volumes of 200 μL. Upon end point, 20 μL of MTT (5 mg/mL) is added to each well, and the cells are incubated for an additional 1-3 h. After carefully removal of the medium, the precipitates are dissolved in 150 μL of DMSO via mechanically shaking, and then absorbance values at a wavelength of 570 nm are taken on a spectrophotometer. IC50 values are calculated using percentage of growth versus untreated control[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Administration
[1]

Mice[1]
For the MV4-11 and Ramos xenograft models, MV4-11 and Ramos cells (107 cells in 100 μL of serum-free IMDM) are injected subcutaneously into the right flanks of 5- to 6-week-old female NOD/SCID mice. For the HCT116 xenograft, HCT116 cells (107 cells in 100 μL of serum-free DMEM) are injected subcutaneously into the right flanks of 5- to 6-week-old female Balb/c nude mice. When the size of the formed xenografts reach 100-150 mm3, the mice are randomly divided (6 mice per group in MV4-11 model, 8 mice per group in Ramos model, and 7 mice per group in HCT116 model) into control group and treated groups. The mice in the experimental groups receive intravenous (iv) injection (50 mg/kg) or oral administration (25 mg/kg) of HDAC6-IN-1 every 2 days. The mice in the vehicle group receive iv injection or oral administration of equal amount of physiological saline containing 5% ethanol and 5% Cremophor EL. Those in the SAHA or LBH-589 or ACY-1215 groups (positive controls) receive ip injection (50 mg/kg for SAHA and 10 mg/kg for LBH-589, dissolved in physiological saline containing 10% DMSO and 45% PEG400 to a concentration of 10 mg/mL) or oral administration (100 mg/kg for SAHA and 40 mg/kg for ACY-1215, dissolved in the same way described above) every 2 days. Tumor burden is measured every 2 days by a caliper. Tumor volume (TV) is calculated. The day that treatment started is defined as day 0. At the end of the experiment, mice are sacrificed and tumors are collected and weighed[1].
Rats[1]
HDAC6-IN-1 is administered to SD rats ntravenously (iv) at 12 mg/kg body weight and orally at 12 mg/kg body weight. Blood samples are taken, and the plasma is analyzed for concentration of HDAC6-IN-1 using an LC-MS/MS system[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References
Molecular Weight

396.44

Formula

C₂₁H₂₄N₄O₄

CAS No.

1815580-06-3

SMILES

CN(C1=CC(OCCCC(NO)=O)=C(OC)C=C1)C2=NC(C)=NC3=CC=CC=C32

Storage
Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
Shipping

Room temperature in continental US; may vary elsewhere

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Product Name:
HDAC6-IN-1
Cat. No.:
HY-18947
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HDAC6-IN-1

Cat. No.: HY-18947