Methylboronic acid is a biochemical compound that could be utilized as a biomaterial or organic/chemical reagent for biomedical research.

Physicochemical Properties

Molecular Formula	CH5BO2
Molecular Weight	59.86
Exact Mass	60.038
CAS #	13061-96-6
PubChem CID	139377
Appearance	White to off-white solid powder
Density	1.0±0.1 g/cm3
Boiling Point	141.7±23.0 °C at 760 mmHg
Melting Point	91-94 °C(lit.)
Flash Point	39.5±22.6 °C
Vapour Pressure	2.4±0.6 mmHg at 25°C
Index of Refraction	1.345
LogP	-0.16
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Heavy Atom Count	4
Complexity	13.5
Defined Atom Stereocenter Count	0
SMILES	CB(O)O
InChi Key	KTMKRRPZPWUYKK-UHFFFAOYSA-N
InChi Code	InChI=1S/CH5BO2/c1-2(3)4/h3-4H,1H3
Chemical Name	methylboronic acid
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 (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)

Biological Activity

Solubility Data

Solubility (In Vitro)

DMSO: 100 mg/mL (1670.56 mM)

Solubility (In Vivo)

Solubility in Formulation 1: ≥ 2.5 mg/mL (41.76 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 (41.76 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. Solubility in Formulation 3: ≥ 2.5 mg/mL (41.76 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	16.7056 mL	83.5282 mL	167.0565 mL
	5 mM	3.3411 mL	16.7056 mL	33.4113 mL
	10 mM	1.6706 mL	8.3528 mL	16.7056 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.