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ACT-335827

Alias: ACT-335827 ACT335827 ACT 335827
Cat No.:V10260 Purity: ≥98%
ACT-335827 is a selective, orally bioactive, BBB (blood-brain barrier) permeable/penetrable orexin type 1 receptor blocker (antagonist).
ACT-335827
ACT-335827 Chemical Structure CAS No.: 1354039-86-3
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
5mg
Other Sizes
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Product Description
ACT-335827 is a selective, orally bioactive, BBB (blood-brain barrier) permeable/penetrable orexin type 1 receptor blocker (antagonist). The IC50s of ACT-33582 for OXR1 and OXR2 are 6 nM and 417 nM, respectively. ACT-33582 can be used for research related to neurological diseases.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
In CHO cells, ACT-335827 (0-10 μM, 2 h) acts on OXR-1 and OXR-2, with IC50 values of 2300 nM and 41 nM, respectively, and Kb values of 41 nM and 560 nM [1].
ln Vivo
Rats' startle reactions can be lessened by ACT-335827 (oral gavage, 30-100 mg/kg once), without impairing their motor or cognitive abilities [1]. Diet-induced obesity (DIO) in male Wistar rats is one metabolic syndrome (MetS) condition that ACT-335827 (oral, 300 mg/kg, daily, 4 weeks) has less of an impact on [2].
Animal Protocol
Animal/Disease Models: Rat[1]
Doses: 30, 100 or 300 mg/kg
Route of Administration: po (oral gavage);
Experimental Results: At the dose of 300 mg/kg, the startle response caused by fear was diminished. At 300 mg/kg, it can reduce the increase in body temperature caused by stress, and at 100 or 300 mg/kg, it can accelerate the fever rate, but has no effect on exercise and blood pressure.

Animal/Disease Models: Male Wistar rat, weight 160-180g[2]
Doses: 300mg/kg
Route of Administration: po (po (oral gavage)) 200mg/kg. Daily; 4 weeks
Experimental Results: diminished preference for high-fat/sweet diets but no effect on absolute energy intake. Water intake and HDL content increased relative to total cholesterol. Compared with the control group, body weight increased by 4%.
References

[1]. Discovery and characterization of ACT-335827, an orally available, brain penetrant orexin receptor type 1 selective antagonist. ChemMedChem. 2013 Jun;8(6):898-903.

[2]. The selective orexin receptor 1 antagonist ACT-335827 in a rat model of diet-induced obesity associated with metabolic syndrome. Front Pharmacol. 2013 Dec 30;4:165.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C31H38N2O5
Molecular Weight
518.65
Exact Mass
518.278
CAS #
1354039-86-3
PubChem CID
54765113
Appearance
Off-white to light yellow solid powder
LogP
5.457
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
6
Rotatable Bond Count
10
Heavy Atom Count
38
Complexity
729
Defined Atom Stereocenter Count
2
SMILES
CC(C)NC(=O)[C@@H](C1=CC=CC=C1)N2CCC3=CC(=C(C=C3[C@@H]2CC4=CC(=C(C=C4)OC)OC)OC)OC
InChi Key
HXHOBPVRRPCTLG-SETSBSEESA-N
InChi Code
InChI=1S/C31H38N2O5/c1-20(2)32-31(34)30(22-10-8-7-9-11-22)33-15-14-23-18-28(37-5)29(38-6)19-24(23)25(33)16-21-12-13-26(35-3)27(17-21)36-4/h7-13,17-20,25,30H,14-16H2,1-6H3,(H,32,34)/t25-,30+/m0/s1
Chemical Name
(R)-2-((S)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)-N-isopropyl-2-phenylacetamide
Synonyms
ACT-335827 ACT335827 ACT 335827
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)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.9281 mL 9.6404 mL 19.2808 mL
5 mM 0.3856 mL 1.9281 mL 3.8562 mL
10 mM 0.1928 mL 0.9640 mL 1.9281 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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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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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.

Biological Data
  • Weight gain, MetS and food intake before treatment onset. (A) Time course of body weight gain over 13 weeks of SC and CAF diet feeding. Body weight gain is expressed as the percentage change from baseline body weight at the start of diet exposure. Mean ± s.e.m. (SC n = 10; CAF n = 20). *p < 0.05 vs. SC at the indicated time point by post-hoc test following ANOVA. Levels of whole blood glucose (B), and of plasma triglycerides (TG) (C) were analyzed in week 11 and 13, respectively. The group of 20 CAF diet fed rats was subdivided into one Veh (n = 11) and one ACT (n = 9) group which were going to start receiving treatment (Veh and ACT indicated in brackets) in week 14. Horizontal bars represent the mean ± s.e.m. *p < 0.05 by t-test. (D) Energy intake and food preference cumulated over 48 h before the start of Veh or ACT treatment. No snack was given during this 48 h period. All three groups consumed a similar amount of kcal. Both of the CAF diet fed groups preferred the HF/S diet over the SC and they did not differ statistically in their level of preference. Mean + s.e.m. (n = 9–11) per group. (SC, standard chow; CAF, cafeteria diet; HF/S, high fat/sweet; Veh, vehicle; ACT, ACT-335827).[2]. The selective orexin receptor 1 antagonist ACT-335827 in a rat model of diet-induced obesity associated with metabolic syndrome. Front Pharmacol. 2013 Dec 30;4:165.
  • Effect of diet and chronic ACT-335827 treatment on feeding behavior, body weight, and feed efficiency. (A) Total energy intake divided into SC, HF/S diet, and snack intake cumulated weekly. CAF-diet fed Rats chronically treated with ACT-335827 reduced their preference for the HF/S diet over SC. Snack intake was not affected by ACT-335827. For further statistical analyses see Results. (B–D) Energy intake of SC, HF/S diet, and snack expressed as the percentage of the total energy intake and cumulated in 1 week time bins over the 4 weeks (weeks 14–17) of Veh or ACT treatment. Significant differences between groups were revealed only for the SC intake, not for the HF/S diet or snack intake. *p < 0.05 vs. CAF-Veh at the indicated time points by post-hoc test following ANOVA. (E) Body weight gain expressed as a percentage change from baseline (BL) weight (i.e., at start of chronic treatment). CAF-Veh and SC-Veh groups did not statistically differ from each other. *p < 0.05 vs. CAF-Veh at the indicated time points by post-hoc test following ANOVA. (F) Weekly efficiency of conversion of total kcal intake into body weight gain. No significant differences were revealed between the SC-Veh and CAF-Veh groups. Mean ± s.e.m. (n = 9–11) per group. *p < 0.05 vs. CAF-Veh at the indicated time points by post-hoc test following ANOVA. Note that throughout this manuscript SC-Veh is always compared to CAF-Veh, and CAF-ACT is always compared to CAF-Veh. No comparisons between CAF-ACT and SC-Veh were made. (SC, standard chow; CAF, cafeteria diet; Veh, vehicle; ACT, ACT-335827; HF/S, high fat/sweet).[2]. The selective orexin receptor 1 antagonist ACT-335827 in a rat model of diet-induced obesity associated with metabolic syndrome. Front Pharmacol. 2013 Dec 30;4:165.
  • Effect of CAF diet and ACT-335827 on cognition in week 16. Percentage of time spent freezing over a 10 min test of contextual conditioned fear. Mean ± s.e.m. (n = 9–11 per group). No statistical difference between groups was revealed. (SC, standard chow; CAF, cafeteria diet; Veh, vehicle; ACT, ACT-335827).[2]. The selective orexin receptor 1 antagonist ACT-335827 in a rat model of diet-induced obesity associated with metabolic syndrome. Front Pharmacol. 2013 Dec 30;4:165.
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