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SRX-246

Alias: SRX 246; SRX246; SRX-246
Cat No.:V15261 Purity: ≥98%
SRX246 is a potent, CNS-penetrating, selective, orally bioavailable vasopressin 1a (V1a) receptor blocker (antagonist) (Ki=0.3 nM for human V1a).
SRX-246
SRX-246 Chemical Structure CAS No.: 512784-93-9
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
10mg
Other Sizes
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Product Description
SRX246 is a potent, CNS-penetrating, selective, orally bioavailable vasopressin 1a (V1a) receptor blocker (antagonist) (Ki=0.3 nM for human V1a). SRX246 has no interaction at V1b and V2 receptors and has negligible binding to 64 other receptor classes like 35 G-protein uncoupled receptors. SRX246 may be used for stress-related conditions.
Biological Activity I Assay Protocols (From Reference)
ln Vivo
The Cmax, AUC0-∞, and t1/2 values for SRX246 (2 mg/kg; iv) therapy were 953 ng/mL and 1141 ng, respectively.For post-pharmacokinetics, the values are h/mL and 6.02 hours, respectively. (dosage 20 mg/kg), 98.4 ng/mL, 624 ng, and AUC0-∞ are the Cmax, AUC0-∞, and t1/2 values.m/mL and 2.38 hours, in that order [1].
Animal Protocol
Animal/Disease Models: Male SD (SD (Sprague-Dawley)) rat [1].
Doses: 2 mg/kg (oral 20 mg/kg)
Route of Administration: iv (pharmacokinetic/PK/PK analysis)
Experimental Results: After iv administration, the plasma concentration diminished steadily, with a half-life (t1/2) of 6 hrs (hrs (hours)). The Cmax and AUC0-∞ values were 953 ng/mL, 1141 ng·h/mL, 6.02 hrs (hrs (hours)). After oral administration, the Cmax, AUC0-∞ and t1/2 values were 98.4 ng/mL, 624 ng·h/mL and 2.38 hrs (hrs (hours)) respectively.
References

[1]. Azetidinones as vasopressin V1a antagonists. Bioorg Med Chem. 2007 Mar 1;15(5):2054-80.

[2]. Pharmacokinetics and metabolism of SRX246: a potent and selective vasopressin 1a antagonist. J Pharm Sci. 2013 Jun;102(6):2033-2043.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C42H49N5O5
Molecular Weight
703.868970632553
Exact Mass
703.373
CAS #
512784-93-9
PubChem CID
44428550
Appearance
White to off-white solid powder
LogP
5.1
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
6
Rotatable Bond Count
11
Heavy Atom Count
52
Complexity
1260
Defined Atom Stereocenter Count
5
SMILES
O1C(N([C@@H](C2C=CC=CC=2)C1)[C@@H]1C(N([C@@H](C(N[C@H](C)C2C=CC=CC=2)=O)CC(N2CCC(CC2)N2CCCCC2)=O)[C@@H]1/C=C/C1C=CC=CC=1)=O)=O
InChi Key
FJUKOXWSIGULLE-JVOQCOEYSA-N
InChi Code
InChI=1S/C42H49N5O5/c1-30(32-16-8-3-9-17-32)43-40(49)36(28-38(48)45-26-22-34(23-27-45)44-24-12-5-13-25-44)46-35(21-20-31-14-6-2-7-15-31)39(41(46)50)47-37(29-52-42(47)51)33-18-10-4-11-19-33/h2-4,6-11,14-21,30,34-37,39H,5,12-13,22-29H2,1H3,(H,43,49)/b21-20+/t30-,35-,36-,37-,39+/m1/s1
Chemical Name
(2R)-4-oxo-2-[(3S,4R)-2-oxo-3-[(4S)-2-oxo-4-phenyl-1,3-oxazolidin-3-yl]-4-[(E)-2-phenylethenyl]azetidin-1-yl]-N-[(1R)-1-phenylethyl]-4-(4-piperidin-1-ylpiperidin-1-yl)butanamide
Synonyms
SRX 246; SRX246; SRX-246
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 : ~100 mg/mL (~142.07 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (3.55 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 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 25.0 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.

Solubility in Formulation 2: ≥ 2.5 mg/mL (3.55 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (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 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.4207 mL 7.1036 mL 14.2072 mL
5 mM 0.2841 mL 1.4207 mL 2.8414 mL
10 mM 0.1421 mL 0.7104 mL 1.4207 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.

Calculator

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What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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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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