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142231-20-7

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142231-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142231-20-7 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, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 142231-20:
(8*1)+(7*4)+(6*2)+(5*2)+(4*3)+(3*1)+(2*2)+(1*0)=77
77 % 10 = 7
So 142231-20-7 is a valid CAS Registry Number.

142231-20-7Downstream Products

142231-20-7Relevant articles and documents

The Reaction of Carbanions from 3-Methyl-5-phenylisoxazole with Electrophilic Compounds

Alberola, Angel,Calvo, Luis,Rodriguez, Teresa Rodriguez,Sanudo, Carmen

, p. 445 - 450 (2007/10/02)

The reactivity of 3-methyl-5-phenylisoxazole against electrophilic compounds in the presence of different bases is studied.With n-BuLi, alkylated products at C-4 position and C-3 methyl group, and, in a few cases, dialkylated isoxazoles are obtained.When

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