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Hydroxyamine HCl

Cat No.:V38896 Purity: ≥98%
Hydroxylamine HCl is a selective MAO (monoamine oxidase) inhibitor that may be utilized to inhibit platelet aggregation.
Hydroxyamine HCl
Hydroxyamine HCl Chemical Structure CAS No.: 5470-11-1
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
Hydroxylamine HCl is a selective MAO (monoamine oxidase) inhibitor that may be utilized to inhibit platelet aggregation. Hydroxylamine HCl is an intermediate in organic synthesis.
Hydroxylamine hydrochloride (NH₂OH·HCl) is the stable hydrochloride salt of hydroxylamine, a potent reducing agent and key intermediate in organic synthesis. It has a molecular formula of ClH4NO and a molecular weight of 69.49. The compound is a white crystalline solid with a melting point of 155-157°C (dec.). It is highly soluble in water (470 g/L). Hydroxylamine hydrochloride is used as a catalyst, copolymerization inhibitor, and swelling agent. It is also a selective monoamine oxidase (MAO) inhibitor that may be utilized to inhibit platelet aggregation. The compound is available in high purity (≥95%) for research and industrial applications.
Biological Activity I Assay Protocols (From Reference)
Targets
Hydroxylamine hydrochloride targets monoamine oxidase (MAO), an enzyme that catalyzes the oxidative deamination of monoamine neurotransmitters. By inhibiting MAO, the compound increases the levels of monoamine neurotransmitters such as serotonin, dopamine, and norepinephrine. This mechanism underlies its potential use in inhibiting platelet aggregation. The compound’s reducing properties also allow it to interact with various biological molecules, including metal ions and proteins. Its mechanism of action as a MAO inhibitor is characteristic of hydroxylamine derivatives.
ln Vitro
Hydroxylamine hydrochloride (1 mM) reduction of 99.8% in MAO activity[1].
Hydroxylamine hydrochloride exhibits in vitro activity as a selective MAO inhibitor. It inhibits platelet aggregation, which is a key process in thrombus formation. The compound’s reducing properties contribute to its activity in various chemical and biological assays. It is used as a catalyst and copolymerization inhibitor in industrial applications. Its ability to inhibit MAO has been studied in the context of neurological and cardiovascular research. These in vitro activities confirm its utility as a research tool and industrial chemical.
ln Vivo
In vivo activity of hydroxylamine hydrochloride is primarily related to its MAO inhibitory effects. By inhibiting MAO, the compound may affect neurotransmitter levels and platelet function in vivo. However, its use as a therapeutic agent is limited due to its reactivity and potential toxicity. The compound is primarily used as an industrial chemical and research reagent rather than a drug. Its in vivo effects are dose-dependent and related to its ability to inhibit MAO and generate reactive species.
Enzyme Assay
In vitro enzyme assays for hydroxylamine hydrochloride involve measuring its inhibition of monoamine oxidase (MAO) activity. These assays typically use a fluorogenic or radiometric substrate. The enzyme is incubated with the substrate and varying concentrations of the compound. The decrease in substrate conversion is measured to determine the IC50. These assays confirm the compound’s mechanism as a MAO inhibitor. The compound’s reducing properties can also be assessed using standard redox assays.
Cell Assay
In vitro cellular assays for hydroxylamine hydrochloride are conducted in platelets or neuronal cells. Platelet aggregation assays measure the ability of the compound to inhibit platelet aggregation induced by agonists such as ADP or collagen. In neuronal cells, MAO activity and neurotransmitter levels are measured. Cytotoxicity is assessed using standard cell viability assays. These assays characterize the compound’s cellular effects and its potential as a research tool for studying MAO function and platelet aggregation.
Animal Protocol
In vivo animal experiments with hydroxylamine hydrochloride are not extensively documented, as the compound is primarily used as an industrial chemical and research reagent. However, its MAO inhibitory effects could be studied in animal models of neurological or cardiovascular disease. The compound would be administered via injection or oral gavage. Endpoints would include MAO activity, neurotransmitter levels, and platelet function. These studies would help define its in vivo effects and potential applications.
ADME/Pharmacokinetics
Pharmacokinetic data for hydroxylamine hydrochloride are limited. The compound has a molecular weight of 69.49 and is highly soluble in water. It is rapidly absorbed and distributed throughout the body. The compound is metabolized through various pathways, including oxidation and conjugation. Its half-life is short due to rapid metabolism and excretion. The compound is typically stored at room temperature. Further PK studies would be needed if the compound were to be developed as a therapeutic agent.
Toxicity/Toxicokinetics
Hydroxylamine hydrochloride is considered toxic and should be handled with appropriate safety precautions. It is a skin and respiratory irritant. The compound may cause methemoglobinemia upon ingestion or absorption. Chronic exposure may lead to hematological effects. The compound is not approved for human therapeutic use. Standard laboratory safety precautions, including the use of personal protective equipment, should be followed when handling this compound.
References

[1]. Purification, characterization, and crystallization of monoamine oxidase from Escherichia coli K-12. Biosci Biotechnol Biochem. 1994 Sep;58(9):1652-6.

Additional Infomation
Hydroxylamine hydrochloride is a colorless or off-white crystalline solid. pH (0.1 mol aqueous solution) 3.4. pH (0.2 mol aqueous solution) 3.2. (NTP, 1992)
Hydroxyamine hydrochloride is an organic molecular entity.
It is a colorless inorganic compound (HONH2) that can be used in organic synthesis and as a reducing agent because it can provide nitric oxide.
Hydroxylamine hydrochloride is the stable hydrochloride salt of hydroxylamine, a potent reducing agent and key intermediate in organic synthesis. It is used as a catalyst, copolymerization inhibitor, and swelling agent. The compound is also a selective monoamine oxidase (MAO) inhibitor that may be utilized to inhibit platelet aggregation. It is available in high purity (≥95%) for research and industrial applications. The compound is also known as hydroxyamine HCl. Its versatility makes it a valuable tool in both chemical and biological research.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
CLH4NO
Molecular Weight
69.4909
Exact Mass
68.998
CAS #
5470-11-1
Related CAS #
Hydroxylamine-d3 hydrochloride;15588-23-5
PubChem CID
443297
Appearance
White to off-white solid powder
Density
1.67 g/mL at 25 °C(lit.)
Boiling Point
56.5ºC at 760mmHg
Melting Point
155-157 °C (dec.)(lit.)
LogP
0.836
Hydrogen Bond Donor Count
3
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
0
Heavy Atom Count
3
Complexity
2
Defined Atom Stereocenter Count
0
InChi Key
WTDHULULXKLSOZ-UHFFFAOYSA-N
InChi Code
InChI=1S/ClH.H3NO/c;1-2/h1H;2H,1H2
Chemical Name
hydroxylamine;hydrochloride
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

Note: Please store this product in a sealed and protected environment, avoid exposure to moisture.
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 (~1439.06 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (35.98 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 (35.98 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in 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 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
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.

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Solubility in Formulation 3: ≥ 2.5 mg/mL (35.98 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 14.3906 mL 71.9528 mL 143.9056 mL
5 mM 2.8781 mL 14.3906 mL 28.7811 mL
10 mM 1.4391 mL 7.1953 mL 14.3906 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

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
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?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • 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:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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  • The answer appears in the Volume (to add to vial) box
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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