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116922-17-9

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116922-17-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116922-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,9,2 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 116922-17:
(8*1)+(7*1)+(6*6)+(5*9)+(4*2)+(3*2)+(2*1)+(1*7)=119
119 % 10 = 9
So 116922-17-9 is a valid CAS Registry Number.

116922-17-9Relevant articles and documents

CONDENSED HETEROAROMATIC RING SYSTEMS. XIV. CYCLIZATION OF ORTHO-SUBSTITUTED α-ETHOXYCINNAMATES TO SOME HETEROAROMATICS

Sakamoto, Takao,Kondo, Yoshinori,Yamanaka, Hiroshi

, p. 453 - 456 (2007/10/02)

The reaction of 2-iodoaniline with ethyl 2-ethoxyacrylate in the presence of palladium-charcoal gave 3-ethoxy-2(1H)-quinolinone, and the reaction of 2-iodoacetanilide with the same reagent yielded ethyl 2-acetylamino-α-ethoxycinnamate which was cyclized to ethyl indole-2-carboxylate under acidic conditions.On the other hand, the palladium-catalyzed reaction of 2-iodobenzonitrile and ethyl 2-iodobenzoate afforded the corresponding cinnamates which were transformed into isoquinoline and isocoumarin derivatives.

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