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21262-91-9

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21262-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21262-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,2,6 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 21262-91:
(7*2)+(6*1)+(5*2)+(4*6)+(3*2)+(2*9)+(1*1)=79
79 % 10 = 9
So 21262-91-9 is a valid CAS Registry Number.

21262-91-9Downstream Products

21262-91-9Relevant articles and documents

Green organocatalytic synthesis of isoxazolines via a one-pot oxidation of allyloximes

Triandafillidi, Ierasia,Kokotos, Christoforos G.

, p. 106 - 109 (2017/11/27)

A green, sustainable, organocatalytic, and efficient synthesis of isoxazolines from allyloximes was developed. A 2,2,2-trifluoroacetophenone-catalyzed oxidation of allyloximes, utilizing H2O2 as the green oxidant, was taken advantage of in order to introduce a cheap and environmentally friendly protocol for the synthesis of substituted isoxazolines. A variety of substitution patterns, both aromatic and aliphatic moieties, are well tolerated, leading to isoxazolines in moderate to excellent yields.

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