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1196531-05-1

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1196531-05-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1196531-05-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,6,5,3 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1196531-05:
(9*1)+(8*1)+(7*9)+(6*6)+(5*5)+(4*3)+(3*1)+(2*0)+(1*5)=161
161 % 10 = 1
So 1196531-05-1 is a valid CAS Registry Number.

1196531-05-1Relevant articles and documents

Asymmetrie Conjugate reductions of coumarins. A new route to tolterodine and related coumarin derivatives

Gallagher, Brian D.,Taft, Benjamin R.,Lipshutz, Bruce H.

, p. 5374 - 5377 (2009)

"Chemical Equation Presented" The combination of catalytic amounts of [(R)-DTBM-SEGPHOS]CUH In the presence of stoichiometric DEMS (dlethoxymethylsllane) In toluene at room temperature leads to asymmetric reductions of 4-substituted coumarins. Several targets or their known precursors can be prepared In high yields and ee's, Including the muscarine receptor antagonist (R)-tolterodine.

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