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874338-71-3

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874338-71-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 874338-71-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,3,3 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 874338-71:
(8*8)+(7*7)+(6*4)+(5*3)+(4*3)+(3*8)+(2*7)+(1*1)=203
203 % 10 = 3
So 874338-71-3 is a valid CAS Registry Number.

874338-71-3Downstream Products

874338-71-3Relevant articles and documents

Gold-Catalyzed Synthesis of Chiral Cyclopentadienyl Esters via Chirality Transfer

Zhao, Ke,Hsu, Yu-Chen,Yang, Ziguang,Liu, Rai-Shung,Zhang, Liming

supporting information, p. 6500 - 6504 (2020/09/02)

Efficient access to chiral cyclopentadienyl esters from readily accessible chiral enynyl ester substrates is developed. Typically high levels of chirality transfer realized in this homogeneous gold catalysis are attributed to the intermediacy of a chiral bent allene gold complex. Cyclopentadienyl esters can be prepared in good yields and with excellent enantiomeric excesses. The synthetic utilities of the chiral cyclopentadienyl esters are demonstrated by the Diels-Alder reactions, fluorination, alkylation, and epoxidation without any notable erosion of enantiopurity.

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