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872123-27-8

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872123-27-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 872123-27-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,1,2 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 872123-27:
(8*8)+(7*7)+(6*2)+(5*1)+(4*2)+(3*3)+(2*2)+(1*7)=158
158 % 10 = 8
So 872123-27-8 is a valid CAS Registry Number.

872123-27-8Relevant articles and documents

Synthesis and thermal properties for 4-(4-alkoxyphenoxycarbonyl)phenyl 3-alkoxy-2-X-benzoates

Okamoto, Hiroaki,Morita, Yuki,Segawa, Yoichi,Takenaka, Shunsuke

, p. 221/[2087]-227/[2093] (2005)

Some derivatives of 4-(4-alkoxyphenoxycarbonyl)phenyl 3-alkoxy-2-X- benzoates (X=F, Cl, Br, or CF3) were synthesized by means of an ortho-directed lithiation followed by an electrophilic aromatic substitution reaction, as a key step, and their

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