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172264-83-4

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172264-83-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172264-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,2,6 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 172264-83:
(8*1)+(7*7)+(6*2)+(5*2)+(4*6)+(3*4)+(2*8)+(1*3)=134
134 % 10 = 4
So 172264-83-4 is a valid CAS Registry Number.

172264-83-4Relevant academic research and scientific papers

Simple and efficient access to 3-ethoxycarbonylpyrroles, naphthofurans

Pancote, Camila G.,De Carvalho, Bruno S.,Luchez, Cibele V.,Fernandes, Joao P.S.,Politi, Mario J.,Brandt, Carlos A.

, p. 3963 - 3966 (2009)

An efficient method was developed for the synthesis of pyrrole and furan derivatives from enamines, phenols, and naphthols. The key steps involve iodocyclization and alumina-induced dehydroiodination reactions. Georg Thieme Verlag Stuttgart.

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