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2-Acetoxy-benzoic acid 5-acetoxymethyl-2-nitro-phenyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

218949-51-0

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218949-51-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218949-51-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,9,4 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 218949-51:
(8*2)+(7*1)+(6*8)+(5*9)+(4*4)+(3*9)+(2*5)+(1*1)=170
170 % 10 = 0
So 218949-51-0 is a valid CAS Registry Number.

218949-51-0Relevant academic research and scientific papers

Synthesis of anti-rheumatic agent epoxyquinomicin B

Matsumoto, Naoki,Iinuma, Hironobu,Sawa, Tsutomu,Takeuchi, Tomio

, p. 2945 - 2948 (2007/10/03)

Anti-rheumatic agent (±)-epoxyquinomicin B was synthesized for a 22% overall yield in eight steps from commercially available 3-hydroxy-4- nitrobenzaldehyde via the intermediate quinone 6 prepared by selective phenol oxidation of 5 by use of Fremy's salt as the key step.

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