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87288-16-2

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87288-16-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87288-16-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,8 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 87288-16:
(7*8)+(6*7)+(5*2)+(4*8)+(3*8)+(2*1)+(1*6)=172
172 % 10 = 2
So 87288-16-2 is a valid CAS Registry Number.

87288-16-2Relevant articles and documents

The 1,3-Dipolar Cycloaddition Reactions of Heteroaromatic Dicyanomethylides with Phenylsulfinylethene and Bis(trimethylsilyl)ethyne: Synthesis of 1,2-Unsunstituted 3-Cyanoindolizines

Matsumoto, Kiyoshi,Uchida, Takane,Ikemi, Yukio,Tanaka, Toshio,Asahi, Momoyo,et al.

, p. 3645 - 3654 (1987)

Pyridinium and diazinium dicycanomethylides underwent 1,3-dipolar cycloaddition-extrusion reactions with phenylsulfinylethene, producing the corresponding 3-cyanoindolizines in moderate to good yields. 1,3-Dipolar cycloadditions of these ylides with bis(t

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