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1039768-40-5

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1039768-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1039768-40-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,9,7,6 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1039768-40:
(9*1)+(8*0)+(7*3)+(6*9)+(5*7)+(4*6)+(3*8)+(2*4)+(1*0)=175
175 % 10 = 5
So 1039768-40-5 is a valid CAS Registry Number.

1039768-40-5Relevant articles and documents

Rhodium(I)-catalyzed enantioselective 1,4-addition of nucleophilic silicon

Walter, Christian,Fr?hlich, Roland,Oestreich, Martin

scheme or table, p. 5513 - 5520 (2009/12/09)

A rhodium(I)-catalyzed activation of a silicon-boron linkage, that is, the transmetalation of silicon from boron to rhodium(I) by means of an RhI-OH complex, enables the conjugate transfer of nucleophilic silicon onto α,β-unsaturated acceptors. Pre- or in situ formed cationic rhodium(I)-binap complexes catalyze this novel carbon-silicon bond formation with exceptional enantiocontrol, 92 to >99% ee for cyclic carbonyl and carboxyl compounds as well as >99% ee for acyclic carboxyl compounds.

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