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117621-59-7

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117621-59-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117621-59-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,2 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 117621-59:
(8*1)+(7*1)+(6*7)+(5*6)+(4*2)+(3*1)+(2*5)+(1*9)=117
117 % 10 = 7
So 117621-59-7 is a valid CAS Registry Number.

117621-59-7Downstream Products

117621-59-7Relevant articles and documents

Chemistry of Silyl Thioketones. Part 3. Cycloaddition Reactions with Heterodienes (α-Nitrosostyrene and Ketene Imines)

Carisi, Patrizia,Mazzanti, Germana,Zani, Paolo,Barbaro, Gaetano,Battaglia, Arturo,Giorgianni, Patrizia

, p. 2647 - 2652 (2007/10/02)

Silylated heterocycles viz: 4H-1,5,2-oxathiazines (4a,b), 4H-3,1-benzothiazines (8), (9), 5,6-dihydro-2H-thiopyrans (11a,b), were obtained in reactions of silyl thioketones (1a,b) with α-nitrosostyrene (2), dimethylketene N-p-tolylimine (3a), and methylvi

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