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(1S,2S)-Cyclohexane-1,2-diamine ((1S,2S)-(+)-1,2-Diaminocyclohexane)

Cat No.:V65169 Purity: ≥98%
(1S,2S)-cyclohexane-1,2-diamine is a biochemical compound that may be utilized as a biomaterial or organic/chemical reagent for biomedical research.
(1S,2S)-Cyclohexane-1,2-diamine ((1S,2S)-(+)-1,2-Diaminocyclohexane)
(1S,2S)-Cyclohexane-1,2-diamine ((1S,2S)-(+)-1,2-Diaminocyclohexane) Chemical Structure CAS No.: 21436-03-3
Product category: Biochemical Assay Reagents
This product is for research use only, not for human use. We do not sell to patients.
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Other Forms of (1S,2S)-Cyclohexane-1,2-diamine ((1S,2S)-(+)-1,2-Diaminocyclohexane):

  • (1R,2R)-Cyclohexane-1,2-diamine ((1R,2R)-(-)-1,2-Diaminocyclohexane)
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description
(1S,2S)-cyclohexane-1,2-diamine is a biochemical compound that may be utilized as a biomaterial or organic/chemical reagent for biomedical research.
(1S,2S)-Cyclohexane-1,2-diamine (CAS 21436-03-3), also known as (1S,2S)-(+)-1,2-diaminocyclohexane, is a chiral diamine with the chemical formula C₆H₁₄N₂ and a molecular weight of 114.19 g/mol. It appears as a white to light yellow crystalline solid with a melting point of 46-48°C, a boiling point of 104-106°C at 40 mmHg, and a density of 0.951 g/mL. The compound has an optical rotation of [α]₂₀/D +25.0° to +29.0° (c=1, ethanol). (1S,2S)-Cyclohexane-1,2-diamine is a C2-symmetric vicinal diamine that serves as a privileged chiral scaffold in asymmetric catalysis, coordination chemistry, and chromatographic resolution. It is a high-purity biochemical reagent (>98%) suitable for use as a biomaterial or organic synthesis intermediate in life science research.
Biological Activity I Assay Protocols (From Reference)
Targets
(1S,2S)-Cyclohexane-1,2-diamine does not have a defined biological target as it is a chiral scaffold and chemical reagent rather than a pharmacologically active compound. Its function is chemical—it serves as a chiral building block for the synthesis of more complex molecules. The C2-symmetric vicinal diamine structure enables the formation of chiral metal complexes and ligands for asymmetric catalysis. When incorporated into pharmaceutical compounds, the cyclohexanediamine scaffold can interact with biological targets through hydrogen bonding and hydrophobic interactions. The compound itself is not evaluated for biological activity against specific targets. Its role is to provide chirality to synthetic intermediates and final drug candidates, enabling enantioselective synthesis and resolution.
ln Vitro
For the production of goods with optical activity.
As a chemical reagent, (1S,2S)-cyclohexane-1,2-diamine exhibits no intrinsic pharmacological activity in vitro. Its utility is demonstrated in the synthesis of macrocyclic [3+3] hexa Schiff bases and in the preparation of multidentate ligands, chiral auxiliaries, and chiral stationary phases for chromatographic resolution. The compound serves as a privileged chiral scaffold in asymmetric catalysis, coordination chemistry, and chromatographic separation. In cell-based assays, the compound itself is not tested for biological activity. Instead, the products synthesized from this reagent are evaluated for their pharmacological properties. The compound is used exclusively as a chiral building block in organic synthesis and medicinal chemistry research.
ln Vivo
(1S,2S)-Cyclohexane-1,2-diamine does not exhibit in vivo biological activity as it is not a therapeutic agent. The compound is used as a chiral scaffold in asymmetric catalysis and coordination chemistry. Any in vivo effects would be associated with the final products synthesized from this intermediate, not with the intermediate itself. The compound is not administered to animals in pharmacological studies and has no known physiological effects. Its role is strictly chemical—providing a versatile C2-symmetric diamine scaffold for constructing complex chiral molecules with potential pharmaceutical applications. The compound is intended for laboratory research use only and is not suitable for human or veterinary applications.
Enzyme Assay
In vitro enzyme/receptor binding assays are not applicable to (1S,2S)-cyclohexane-1,2-diamine as it is not a biologically active compound. Standard characterization protocols for this reagent include nuclear magnetic resonance (¹H NMR, ¹³C NMR) and mass spectrometry to confirm structure and purity. Optical rotation measurement is used to confirm enantiomeric purity. Melting point determination and GC or HPLC analysis (>98% purity) are used for quality control. For synthetic applications, typical reactions include the use of the diamine as a chiral ligand for metal-catalyzed asymmetric reactions (e.g., Ru-catalyzed hydrogenation), as a building block for macrocycle synthesis, and as a chiral stationary phase component for chromatographic resolution of racemic compounds.
Cell Assay
Cell-based experiments are not performed with (1S,2S)-cyclohexane-1,2-diamine itself, as it is a chemical reagent rather than a test compound for biological activity. When the compound is used to synthesize drug candidates, those products may be tested in cell culture using standard protocols. Typically, final compounds are dissolved in DMSO and diluted in culture medium to achieve desired concentrations (typically 0.1-100 µM). Cells are incubated for 24-72 hours, and effects on cell viability, proliferation, or specific signaling pathways are measured using appropriate assays such as MTT, CellTiter-Glo, or flow cytometry. The intermediate itself is not evaluated in cellular systems as it is not intended to have biological activity.
Animal Protocol
In vivo animal studies are not conducted with (1S,2S)-cyclohexane-1,2-diamine, as it is a research reagent for chemical synthesis. When the compound is used to synthesize drug candidates, those final products undergo standard preclinical evaluation. Typical protocols for drug candidates include pharmacokinetic studies in rodents (oral or intravenous administration, blood sampling for LC-MS/MS analysis), efficacy studies in disease models, and toxicology studies (acute and repeated-dose toxicity, histopathology). These studies evaluate the safety and efficacy of the final drug molecules, not the synthetic intermediate. The compound is not used as a therapeutic test article and has no established in vivo pharmacological profile.
ADME/Pharmacokinetics
Pharmacokinetic properties of (1S,2S)-cyclohexane-1,2-diamine are not characterized as it is not a drug substance. Based on its physicochemical properties (molecular weight 114.19, very soluble in water, logP approximately -0.5), the compound would be expected to have low oral bioavailability due to poor membrane permeability. It would likely be distributed primarily in extracellular fluid and rapidly cleared via renal excretion. The compound may be metabolized via N-acetylation or oxidation. However, the compound is not intended for human exposure and has not been evaluated in formal pharmacokinetic studies. For drug candidates synthesized from this intermediate, pharmacokinetic properties are determined as part of drug development.
Toxicity/Toxicokinetics
(1S,2S)-Cyclohexane-1,2-diamine may cause skin and eye irritation. Standard laboratory safety precautions should be followed when handling this compound, including the use of gloves, safety glasses, and working in a fume hood. The compound is a combustible solid (storage class 11) and should be stored in a cool, dry place away from moisture and strong oxidizing agents. No acute toxicity, mutagenicity, or carcinogenicity data are available. The compound is not intended for drug, household, or other uses. In case of contact, rinse with water and seek medical advice if irritation persists.
Additional Infomation
(1S,2S)-Cyclohexane-1,2-diamine is a C2-symmetric vicinal diamine that serves as a privileged chiral scaffold in asymmetric catalysis, coordination chemistry, and chromatographic resolution. It is also known as (1S,2S)-(+)-1,2-diaminocyclohexane and (S,S)-DACH. The compound is used in the synthesis of macrocyclic [3+3] hexa Schiff bases and in the preparation of multidentate ligands, chiral auxiliaries, and chiral stationary phases. It is a key component in the synthesis of various chiral catalysts for enantioselective reactions. The compound has not undergone clinical trials and is not approved as a pharmaceutical. Its mechanism of action is chemical—serving as a chiral building block for asymmetric synthesis.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C6H14N2
Molecular Weight
114.19
Exact Mass
114.115
CAS #
21436-03-3
Related CAS #
(1R,2R)-Cyclohexane-1,2-diamine;20439-47-8
PubChem CID
479307
Appearance
White to light yellow <40°C solid powder,>43°C liquid
Density
0.9±0.1 g/cm3
Boiling Point
193.6±0.0 °C at 760 mmHg
Melting Point
40-43 °C(lit.)
Flash Point
75.0±0.0 °C
Vapour Pressure
0.5±0.3 mmHg at 25°C
Index of Refraction
1.484
LogP
-0.12
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
0
Heavy Atom Count
8
Complexity
62.9
Defined Atom Stereocenter Count
2
SMILES
N([H])([H])[C@@]1([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[C@]1([H])N([H])[H]
InChi Key
SSJXIUAHEKJCMH-WDSKDSINSA-N
InChi Code
InChI=1S/C6H14N2/c7-5-3-1-2-4-6(5)8/h5-6H,1-4,7-8H2/t5-,6-/m0/s1
Chemical Name
(1S,2S)-cyclohexane-1,2-diamine
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: (1). This product requires protection from light (avoid light exposure) during transportation and storage.  (2). Please store this product in a sealed and protected environment (e.g. under nitrogen), 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)
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 8.7573 mL 43.7867 mL 87.5733 mL
5 mM 1.7515 mL 8.7573 mL 17.5147 mL
10 mM 0.8757 mL 4.3787 mL 8.7573 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:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
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:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
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.
/

Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • 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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