Maoecrystal A is a natural compound extracted from the leaves of Rabdosia eriocalyx.

Physicochemical Properties

Molecular Formula	C22H28O6
Molecular Weight	388.4541
Exact Mass	388.188
CAS #	96850-30-5
PubChem CID	20056131
Appearance	White to off-white solid powder
Density	1.3±0.1 g/cm3
Boiling Point	550.8±50.0 °C at 760 mmHg
Flash Point	191.1±23.6 °C
Vapour Pressure	0.0±3.4 mmHg at 25°C
Index of Refraction	1.579
LogP	2
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	2
Heavy Atom Count	28
Complexity	814
Defined Atom Stereocenter Count	8
SMILES	CC(=O)O[C@@H]1C(=C)[C@@H]2CC[C@@H]3[C@]1(C2)C(=O)[C@H]([C@H]4[C@]35CO[C@@H](C4(C)C)CC5=O)O
InChi Key	DCULYKVTBAXAER-XETVFITMSA-N
InChi Code	InChI=1S/C22H28O6/c1-10-12-5-6-13-21(8-12,19(10)28-11(2)23)18(26)16(25)17-20(3,4)15-7-14(24)22(13,17)9-27-15/h12-13,15-17,19,25H,1,5-9H2,2-4H3/t12-,13-,15-,16+,17-,19-,21-,22-/m1/s1
Chemical Name	[(1S,2S,5R,7R,8S,10S,11R,13R)-10-hydroxy-12,12-dimethyl-6-methylidene-9,16-dioxo-14-oxapentacyclo[11.2.2.15,8.01,11.02,8]octadecan-7-yl] acetate
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: This product requires protection from light (avoid light exposure) during transportation and storage.
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

References	[1]. Exhaustive degradation of the ring D of 3,20-epoxy ent-kaurane-type diterpene maoecrystal A. Tetrahedron 61 (2005) 4467–44.
Additional Infomation	maoecrystal A has been reported in Isodon eriocalyx and Isodon with data available.

Solubility Data

Solubility (In Vitro)

DMSO : ~33.33 mg/mL (~85.80 mM)

Solubility (In Vivo)

Solubility in Formulation 1: ≥ 2.5 mg/mL (6.44 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	2.5743 mL	12.8717 mL	25.7433 mL
	5 mM	0.5149 mL	2.5743 mL	5.1487 mL
	10 mM	0.2574 mL	1.2872 mL	2.5743 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.