The N,N,N',N'-Tetramethyl-O-(3,4-dihydro-4-oxo-1,2,3-benzotriazin-3-yl)uronium tetrafluoroborate, with the CAS registry number 125700-69-8, has the systematic name of N-{(dimethylamino)[(4-oxo-1,2,3-benzotriazin-3(4H)-yl)oxy]methylidene}-N-methylmethanaminium tetrafluoroborate. And the molecular formula of this chemical is C₁₂H₁₆N₅O₂^.BF₄. In addition, it belongs to the following product categories: Coupling Reagent; Peptide Coupling Reagents; Peptide. Besides, it should be stored at 2-8°C.

The physical properties of N,N,N',N'-Tetramethyl-O-(3,4-dihydro-4-oxo-1,2,3-benzotriazin-3-yl)uronium tetrafluoroborate are as following: (1)#H bond acceptors: 7; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 2; (4)Polar Surface Area: 60.51 Å².

You should be cautious while dealing with this chemical. It irritates respiratory system. Therefore, you had better take the following instructions: Do not breathe dust and avoid contacting with skin and eyes.

You can still convert the following datas into molecular structure:
(1)SMILES: F[B-](F)(F)F.O=C1N(O\C(=[N+](/C)C)N(C)C)\N=N/c2ccccc12
(2)InChI: InChI=1/C12H16N5O2.BF4/c1-15(2)12(16(3)4)19-17-11(18)9-7-5-6-8-10(9)13-14-17;2-1(3,4)5/h5-8H,1-4H3;/q+1;-1
(3)InChIKey: FOBCPCIJLQTYBT-UHFFFAOYAT