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137517-00-1

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137517-00-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137517-00-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,1 and 7 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 137517-00:
(8*1)+(7*3)+(6*7)+(5*5)+(4*1)+(3*7)+(2*0)+(1*0)=121
121 % 10 = 1
So 137517-00-1 is a valid CAS Registry Number.

137517-00-1Relevant articles and documents

Synthesis of Boron-Halogenated Diborylamines and Diborylhydrazines by Cleavage of Stannazanes

Diemer, Stefan,Noeth, Heinrich,Storch, Wolfgang

, p. 1765 - 1780 (2007/10/03)

The diborylamines R'-N(BRX)2 (3; X=Cl, Br) are obtained by stannazane cleavage of distannylorganylamines R'-N(SnMe3)2 (4) with alkyldihaloboranes RBX2 in a 1:2 molar ratio. The presence of the sterically demanding substituents R and R' also causes carbon-tin bond cleavage, resulting in low yields of 3. However, carbon-tin bond cleavage can be suppressed by the use of bis(dimethylchlorostannyl)organylamines 5 as the nitrogen source for the synthesis of diborylamines. This results in almost quantitative yields of the compounds 3. Treatment of the distannylhydrazines R2N-N(SnMe3)2 (7) with RBX2 in a 1:2 molar ratio leads to the formation of N,N-bis(alkylhaloboryl)hydrazines 8 under mild conditions and in good yield. The molecular structures of 3 and 8 were determined by multinuclear magnetic resonance spectra in solution as well as by X-ray structure analysis in the case of 8d. A typical structural feature of 8d is the intramolecular BN adduct formation. Support for the constitutions of compounds 8c comes from MS fragmentation patterns as well as from IR spectra.

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