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945489-44-1

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945489-44-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 945489-44-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,5,4,8 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 945489-44:
(8*9)+(7*4)+(6*5)+(5*4)+(4*8)+(3*9)+(2*4)+(1*4)=221
221 % 10 = 1
So 945489-44-1 is a valid CAS Registry Number.

945489-44-1Downstream Products

945489-44-1Relevant academic research and scientific papers

Preference of 4-exo ring closure in copper-catalyzed intramolecular coupling of vinyl bromides with alcohols

Fang, Yewen,Li, Chaozhong

, p. 8092 - 8093 (2008/02/09)

The copper-catalyzed intramolecular O-vinylation of γ-bromohomoallylic alcohols was investigated. With 10 mol % of CuI as the catalyst and 20 mol % of 1,10-phenanthroline as the ligand, the reactions of 3-bromo-3-buten-1-ols in refluxing CH3CN

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