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888715-86-4

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888715-86-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 888715-86-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,8,7,1 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 888715-86:
(8*8)+(7*8)+(6*8)+(5*7)+(4*1)+(3*5)+(2*8)+(1*6)=244
244 % 10 = 4
So 888715-86-4 is a valid CAS Registry Number.

888715-86-4Downstream Products

888715-86-4Relevant articles and documents

Highly efficient, enantioselective syntheses of (S)-(+)- and (R)-(-)-dapoxetine starting with 3-phenyl-1-propanol

Kang, Soyeong,Lee, Hyeon-Kyu

supporting information; experimental part, p. 237 - 240 (2010/04/06)

(Chemical Equation Presented) A highly efficient, enantioselective sequence has been developed for the synthesis of (S)- and (R)-dapoxetine. The pathways involve the intermediacy of the 6-membered-ring sulfamate esters 4, which were generated by Du Bois asymmetric C-Hamination reactions of the prochiral sulfamate 3, catalyzed by the chiral dirhodium(II) complexes. During the course of our research, the absolute configuration of the enantiomer of 4-pheny[1,2,3]oxathiazinane 2,2-dioxide (4r), prepared by the Du Bois asymmetric C-H amination reaction of 3 and the Rh2(S-nap)4 catalyst, is determined to be R and not S as was originally reported.

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