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113521-05-4

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113521-05-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113521-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,5,2 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 113521-05:
(8*1)+(7*1)+(6*3)+(5*5)+(4*2)+(3*1)+(2*0)+(1*5)=74
74 % 10 = 4
So 113521-05-4 is a valid CAS Registry Number.

113521-05-4Relevant articles and documents

Synthesis of substituted indoline and carbazole by benzyne-mediated cyclization-functionalization

Noji, Toshiharu,Fujiwara, Hideto,Okano, Kentaro,Tokuyama, Hidetoshi

supporting information, p. 1946 - 1949 (2013/06/04)

A benzyne-mediated synthesis of substituted indolines and carbazoles was developed. The reaction includes generation of benzyne using Mg(TMP) 2·2LiCl as a base, cyclization, and trapping the resulting organomagnesium intermediate with an electr

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