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23942-38-3

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23942-38-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23942-38-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,4 and 2 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 23942-38:
(7*2)+(6*3)+(5*9)+(4*4)+(3*2)+(2*3)+(1*8)=113
113 % 10 = 3
So 23942-38-3 is a valid CAS Registry Number.

23942-38-3Downstream Products

23942-38-3Relevant articles and documents

A Green synthesis of pyrrolo[1,2-a]quinazolin-5(1H)-one derivatives in ionic liquids catalyzed by iodine

Zhou, Jie-Xing,Lu, Lian,Li, Tuan-Jie,Yao, Chang-Sheng,Wang, Xiang-Shan

, p. 1472 - 1475 (2015/04/27)

A series of 2,3,3a,4-tetrahydro-3a-methylpyrrolo[1,2-a]quinazolin-5(1H)-one derivatives were synthesized by a reaction of 2-aminobenzamide and 5-chloropentan-2-one at 80 °C catalyzed by iodine in ionic liquid of [BMIm]Br. Compared with the other methods, this novel method has the advantages of milder reaction conditions, high yields, environmental benignity, and metal-free catalyst. A series of 2,3,3a,4-tetrahydro-3a-methylpyrrolo[1,2-a]quinazolin-5(1H)-one derivatives were synthesized by a reaction of 2-aminobenzamide and 5-chloropentan-2-one at 80 °C catalyzed by iodine in ionic liquid of [BMIm]Br.

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