The Magnesium,bromo(2-methylphenyl)-, with the CAS registry number 932-31-0 and EINECS registry number 213-250-2, has the systematic name of bromo-(o-tolyl)magnesium. It belongs to the following product categories:Classes of Metal Compounds; Grignard Reagents; Grignard Reagents & Alkyl Metals; Mg (Magnesium) Compounds; Synthetic Organic Chemistry; Typical Metal Compounds; Aryl; Grignard Reagents; Organometallic Reagents. And the molecular formula of the chemical is C₇H₇BrMg.

The characteristics of Magnesium,bromo(2-methylphenyl)- are as followings: (1)H-Bond Donor 0; (2)H-Bond Acceptor 2; (3)Rotatable Bond Count 0; (4)Exact Mass 193.958155; (5)MonoIsotopic Mass 193.958155; (6)Topological Polar Surface Area 0; (7)Heavy Atom Count 9; (8)Formal Charge 0; (9)Complexity 145; (10)Isotope Atom Count 0; (11)Defined Atom StereoCenter Count 0; (12)Undefined Atom StereoCenter Count 0; (13)Defined Bond StereoCenter Count 0; (14)Undefined Bond StereoCenter Count 0; (15)Covalently-Bonded Unit Count 3.

Uses of Magnesium,bromo(2-methylphenyl)-: It can react with cyclohex-2-enone to produce 3-(2-tolyl)cyclohexanone. This reaction will need reagent Cu₂I₂, and the menstruum diethyl ether. And the yield is about 85%. 

You should be cautious while dealing with this chemical. It is a kind of highly flammable chemical which reacts violently with water, and it is harmful by inhalation, in contact with skin and if swallowed. WHat's more, it may also cause burns and carcinogenic effect. Therefore, you had better take the following instructions: Keep away from sources of ignition - No smoking; Take precautionary measures against static discharges; Wear suitable protective clothing, gloves and eye/face protection, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Br[Mg]c1ccccc1C
(2)InChI: InChI=1/C7H7.BrH.Mg/c1-7-5-3-2-4-6-7;;/h2-5H,1H3;1H;/q;;+1/p-1/rC7H7BrMg/c1-6-4-2-3-5-7(6)9-8/h2-5H,1H3
(3)InChIKey: DVXDIGKNJYSMFM-XGJOHVQZAP