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675837-57-7

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675837-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 675837-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,5,8,3 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 675837-57:
(8*6)+(7*7)+(6*5)+(5*8)+(4*3)+(3*7)+(2*5)+(1*7)=217
217 % 10 = 7
So 675837-57-7 is a valid CAS Registry Number.

675837-57-7Downstream Products

675837-57-7Relevant articles and documents

Monomeric 1-Borylimidazoles: Syntheses, Structure and Reactivity of 1-[Bis(diisopropylamino)boryl]imidazoles

Goerz, Daniela,Pritzkow, Hans,Siebert, Walter

, p. 2783 - 2789 (2007/10/03)

Reactions of chlorobis(diisopropylamino)borane with 1-(trimethylsilyl)imidazole and 4,5-dimethyl-1-(trimethylsilyl)imidazole lead to the monomeric 1-borylimidazoles 3a and 3b. Treatment of 3a with Lewis acid BF3 results in the quantitative formation on the corresponding trifluoroborane adduct 4a. In contrast, 3a reacts with the stronger Lewis acids BCl3, BBr3, and BI3 to partially substitute the diisopropylamino groups and form the corresponding adducts, depending on the Lewis acidity of the reagent; 3a forms, with Mo(CO)5thf and Cp'Mn(CO2)thf, the complexes 3-[(OC)5Mo]3a (8) and 3-[(OC)2Cp'Mn]3a (6). The product compositions agree with spectroscopic and analytical data and with X-ray structure analyses of 3a, 3b, 4a, 8, and 9.

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