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148111-21-1

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148111-21-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148111-21-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,1,1 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 148111-21:
(8*1)+(7*4)+(6*8)+(5*1)+(4*1)+(3*1)+(2*2)+(1*1)=101
101 % 10 = 1
So 148111-21-1 is a valid CAS Registry Number.

148111-21-1Downstream Products

148111-21-1Relevant articles and documents

A novel catalyst-free tandem reaction for the synthesis of 5-hydroxy-1,5-dihydro-2 h -pyrrol-2-ones in water medium

Wu, Ming-Yu,Li, Kun,Wang, Na,He, Ting,Yu, Xiao-Qi

experimental part, p. 1831 - 1839 (2011/07/31)

A novel catalyst-free, water-medium, tandem reaction for the synthesis of 5-hydroxy-1,5-dihydro-2H-pyrrol-2-ones was developed through a one-pot strategy from nitroethylenes and 1,3-dicarbonyl compounds. A series of 1-aryl-2-nitroethenes and 1-nitroalk-1-enes were surveyed to determine the scope of this tandem reaction with moderate to good yield. Georg Thieme Verlag Stuttgart - New York.

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