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84794-35-4

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84794-35-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84794-35-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,7,9 and 4 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 84794-35:
(7*8)+(6*4)+(5*7)+(4*9)+(3*4)+(2*3)+(1*5)=174
174 % 10 = 4
So 84794-35-4 is a valid CAS Registry Number.

84794-35-4Downstream Products

84794-35-4Relevant articles and documents

1,3-Oxazines and Related Compounds. V. N-Acylacetylation of Carboxamides with the Diketene-Halotrimethylsilane System or Acyl Meldrum's Acids

Yamamoto, Yutaka,Ohnishi, Shuhei,Azuma, Yutaka

, p. 3505 - 3512 (2007/10/02)

Various aliphatic and aromatic carboxamides smoothly underwent N-acetoacetylation by means of the diketene-iodotrimethylsilane system to give the corresponding N-acetoacetyl derivatives.The diketene-bromotrimethylsilane system was found to be very efficient for N-acetoacetylation of unsaturated carboxamides such as acrylamide and methacrylamide.In addition, acyl Meldrum's acids proved effective for N-acylacetylation of carboxamides, especially heterocyclic carboxamides such as picolinamides.Keywords: carboxamide; acylacetylation; diketene; iodotrimethylsilane; bromotrimethylsilane; acyl Meldrum's acid

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