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189824-31-5

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189824-31-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189824-31-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,8,2 and 4 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 189824-31:
(8*1)+(7*8)+(6*9)+(5*8)+(4*2)+(3*4)+(2*3)+(1*1)=185
185 % 10 = 5
So 189824-31-5 is a valid CAS Registry Number.

189824-31-5Relevant articles and documents

Rhodium(I)-catalyzed cycloisomerizations of bicyclobutanes

Walczak, Maciej A. A.,Wipf, Peter

, p. 6924 - 6925 (2008/09/21)

The selection of rhodium precatalyst and phosphine ligand determines the course of the cycloisomerization of N-allylated bicyclo[1.1.0]butylalkylamines. Cyclopropane-fused pyrrolidines and azepines are obtained with high levels of stereo- and regiocontrol. Novel azatricyclo[6.1.0.01,5]nonanes are the result of a tandem cycloisomerization-ring closing metathesis sequence. Allylic ethers lead to furans and oxepanes. Copyright

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