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55902-52-8

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55902-52-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55902-52-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,9,0 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 55902-52:
(7*5)+(6*5)+(5*9)+(4*0)+(3*2)+(2*5)+(1*2)=128
128 % 10 = 8
So 55902-52-8 is a valid CAS Registry Number.

55902-52-8Downstream Products

55902-52-8Relevant articles and documents

Reactions of 2-Arylthio-and 2-Arylsulfonyl-1-nitro-1-phenylethenes with Amines

Kuz'mina,Lipina,Kropotova,Berkova,Pavlova

, p. 82 - 86 (2007/10/03)

2-Arylthio- and 2-arylsulfonyl-1-nitro-1-phenylethenes react with amines to give the corresponding nitroenamines whose configuration (E or Z) depends on the amine structure. Primary amines gives rise to Z-nitroenamines, secondary cyclic amines with 2-aryl

Etude cinetique de la reaction des amines avec le dinitrostilbene. Proposition d'un mecanisme reactionnel

Dubois, P.,Levillain, P.,Viel, C.

, p. 297 - 302 (2007/10/02)

Although containing two weak leaving groups, Z - and to a lesser extent E -, dinitrostilbene (DNS) react rapidly with primary and secondary amines to give Z α-amino β-nitrostilbene in a variety of solvents (dioxan, acetonitrile, methanol).The absence of a

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