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38491-51-9

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38491-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38491-51-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,4,9 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 38491-51:
(7*3)+(6*8)+(5*4)+(4*9)+(3*1)+(2*5)+(1*1)=139
139 % 10 = 9
So 38491-51-9 is a valid CAS Registry Number.

38491-51-9Downstream Products

38491-51-9Relevant articles and documents

(Benzoyliodomethyl)triphenylphosphonium Iodide: A Convenient Reagent for Direct Synthesis of Arylethynyl Phenyl Ketones by Chain Extension of Aldehydes

Iman, Manoutcher,Bouyssou, Pascal,Chenault, Jacques

, p. 631 - 632 (2007/10/02)

Reaction between (benzoyliodomethyl)triphenylphosphonium iodide, potassium carbonate and various aromatic aldehydes in a liquid-solid two-phase system, gives arylethynyl phenyl ketones in good yield.

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