How could you show experimentally that the molecular formula of propene is C3H6, not CH2? Molecular Formula: If a chemist wishes to express the actual number of atoms of each element present in a molecule, the chemist must use the molecular formula. Molecular formulas are es...
The invention discloses a small molecular fluorescent probe of a phenyl(4-piperidyl) ketone hERG potassium channel, and a preparation method and application thereof.The structure general formula of the fluorescent probe is shown in formula in the description.In the formula, R1 is sulfamine or ...
Molecular structure of o-chlorphenyldichlorarsine o-ClC6H4AsCl2using data from gas phase electron diffraction and vibration spectroscopy NM Zaripov,RG Khusnutdinov,VA Naumov,... 被引量: 0发表: 1988年 Heteroatomic chelation of mixed phosphine (or arsine) and phosphine oxide ligands with rhenium...
The crystal and molecular structures of R2Sn(O2CR1)2: R = tBu, Ph; -O2CR1 =2-[(E)-2-(2-hydroxy-5-methylphenyl)diazenyl]benzoate The crystal and molecular structures of two compounds of the general formula RiSn(O2CR1)2 are reported where R = tBu and Ph, and R1CO[unk] is the an...
It was proved a powerful tool to explore the diffusion coefficient (D) which can be yielded from Einstein formula [36]. (3.3)<Δr(t)2>=B+6Dt where <Δr(t)2> is the mean square displacement of oxygen, B is a constant, Δt is the time interval to obtain the mean square ...
Copper sulfate, with the chemical formula CuSO4, is a salt of copper. It has a molecular mass of 179.55 g/mol. When dissolved in water and mixed with potassium dichromate, it forms an orange substance known as "copper chromium sulphate" or "Roman Purple." In addition to its unique propert...
A polymer compound comprising a repeating unit of below formula (1) or (2), and having a polystyrene reduced number average molecular weight of 10<3> to 10<8>, <CHEM> (wherein, Ar<1> and Ar<2> each independently represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic...
A fungicidal mixture, comprising as active components a) an amide compound of formula Ib wherein R4 is halogen and R11 is phenyl which is substituted by halogen and b) an azole derivative II selected from the group of compounds II.1 to I... E Ammermann,K Eicken,M Hampel,... 被引量...
Notably, the annotation from a spectral match to elaidic acid, reveals that this match to a singly unsaturated 18:1 fatty acid with a molecular formula of C18H24O2 (Level 3), was upregulated in SZs. In contrast, the annotation with a spectral match to linoleic acid, which represents an ...
The molecular weight, elemental composition, and the molecular formula of the FTB compounds were determined by comparing the mass spectrometry information of reference substances, matching the self-built chemical composition database, and searching different chemical databases such as PubChem (https://...