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231296-04-1

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231296-04-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 231296-04-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,1,2,9 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 231296-04:
(8*2)+(7*3)+(6*1)+(5*2)+(4*9)+(3*6)+(2*0)+(1*4)=111
111 % 10 = 1
So 231296-04-1 is a valid CAS Registry Number.

231296-04-1Relevant articles and documents

Synthesis of 2-acylindole-3-acetic acids: A novel base-mediated indole synthesis

Nakao, Kazunari,Murata, Yoshinori,Koike, Hiroki,Uchida, Chikara,Kawamura, Kiyoshi,Mihara, Sachiko,Hayashi, Shigeo,Stevens, Rodney W.

, p. 7269 - 7271 (2003)

An efficient and expedient synthetic route to 2-acylindole-3-acetic acids is described. This work first demonstrates a one-pot room-temperature indole ring construction via the in situ generation of indoline intermediate.

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