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444717-81-1

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444717-81-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 444717-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,7,1 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 444717-81:
(8*4)+(7*4)+(6*4)+(5*7)+(4*1)+(3*7)+(2*8)+(1*1)=161
161 % 10 = 1
So 444717-81-1 is a valid CAS Registry Number.

444717-81-1Relevant articles and documents

A generalized synthesis of 3-amino-5-aryl-, 3-amino-5-polyfluorophenyl-, and 3-amino-5-alkyl-1,2,4-oxadiazoles through ring-degenerate rearrangements

Buscemi, Silvestre,Pace, Andrea,Frenna, Vincenzo,Vivona, Nicolo?

, p. 811 - 823 (2002)

A generalized synthesis of 3-amino-5-aryl-, 3-amino-5-polyfluorophenyl- and 3-amino-5-alkyl-1,2,4-oxadiazoles has been developed starting from the 3-amino-5-methyl-1,2,4-oxadiazole as a common synthon. Aroylation or alkanoylation of this aminooxadiazole,

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