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137104-42-8

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137104-42-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137104-42-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,1,0 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 137104-42:
(8*1)+(7*3)+(6*7)+(5*1)+(4*0)+(3*4)+(2*4)+(1*2)=98
98 % 10 = 8
So 137104-42-8 is a valid CAS Registry Number.

137104-42-8Relevant articles and documents

Design, synthesis and evaluation of 3-arylidene azetidin-2-ones as potential antifungal agents against Alternaria solani Sorauer

Delong, Wang,Yongling, Wu,Lanying, Wang,Juntao, Feng,Xing, Zhang

, p. 6661 - 6673 (2017/11/17)

A new concise and facile method was explored to synthesize a collection of new 3-arylidene azetidin-2-ones, which could be regarded as the derivatives of the hybrid scaffold of bioactive natural cinnamamide and heterocycle azetidi-2-one. The structures of

115. α-Methylidene-and α-alkylidene-β-lactams from nonproteinogenic amino acids

Buchholz, Rainer,Hoffmann, H. Martin R.

, p. 1213 - 1220 (2015/01/08)

Treatment of methyl 2-(l-hydroxyalkyl)prop-2-enoates1 with conc. HBr solution afforded methyl (Z)-2-(bromomethyl)alk-2-enoates 2, which were transformed regioselectively into N-substituted methyl (E)-2-(aminomethyl)alk-2-enoates 3 (SN2 reaction

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