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51884-04-9

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51884-04-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51884-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,8,8 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 51884-04:
(7*5)+(6*1)+(5*8)+(4*8)+(3*4)+(2*0)+(1*4)=129
129 % 10 = 9
So 51884-04-9 is a valid CAS Registry Number.

51884-04-9Downstream Products

51884-04-9Relevant articles and documents

Synthesis of imides and benzoylureas by direct oxidation of N-methylenes of amides and benzylureas

Huang, Wenhua,Xu, Mei-Li

, p. 77 - 79 (2013/04/23)

Some amides and benzylureas can be oxidised to imides and benzoylureas, respectively, using silver(I) nitrate (20 mol %), copper(II) sulfate pentahydrate (20 mol %), ammonium persulfate (3.0 equiv.), and potassium fluoride (20 equiv.) in water at room temperature.

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