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1537898-02-4

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1537898-02-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1537898-02-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,7,8,9 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1537898-02:
(9*1)+(8*5)+(7*3)+(6*7)+(5*8)+(4*9)+(3*8)+(2*0)+(1*2)=214
214 % 10 = 4
So 1537898-02-4 is a valid CAS Registry Number.

1537898-02-4Downstream Products

1537898-02-4Relevant articles and documents

Highly regio- and diastereoselective synthesis of cf3- substituted lactones via photoredox-catalyzed carbolactonization of alkenoic acids

Yasu, Yusuke,Arai, Yusuke,Tomita, Ren,Koike, Takashi,Akita, Munetaka

, p. 780 - 783 (2014)

Trifluoromethylative lactonization of both terminal and internal alkenoic acids by photoredox catalysis has been developed. The use of a Ru photocatalyst and Umemoto's reagent as a CF3 source is key in the present carbolactonization. This is the first example of a highly endo- and diastereoselective synthesis of CF3-substituted five-, six-, and seven-membered ring lactones from internal alkenoic acids.

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