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142231-18-3

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142231-18-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142231-18-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,2,3 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 142231-18:
(8*1)+(7*4)+(6*2)+(5*2)+(4*3)+(3*1)+(2*1)+(1*8)=83
83 % 10 = 3
So 142231-18-3 is a valid CAS Registry Number.

142231-18-3Downstream Products

142231-18-3Relevant articles and documents

One-pot synthesis of isoxazoles from enaminones: An application of Fe(II) as the catalyst for ring expansion of 2H-azirine intermediates

Zheng, Yunhui,Yang, Chao,Zhang-Negrerie, Daisy,Du, Yunfei,Zhao, Kang

, p. 6157 - 6160 (2013/10/22)

We report an application of FeCl2 as an inexpensive, nontoxic, and efficient catalyst in a clean ring expansion reaction of 2H-azirine derivatives, an intermediate formed through the PhI(OAc)2-mediated azirination of readily availabl

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