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2-Oxa-3-azaspiro[5.5]undec-3-ene, 1-ethoxy-4-phenyl-1-[(trimethylsilyl)oxy]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139620-52-3

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139620-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139620-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,2 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139620-52:
(8*1)+(7*3)+(6*9)+(5*6)+(4*2)+(3*0)+(2*5)+(1*2)=133
133 % 10 = 3
So 139620-52-3 is a valid CAS Registry Number.

139620-52-3Relevant academic research and scientific papers

Synthesis of 6-Alkoxy-3-aryl-6-trimethylsilyloxy-5,6-dihydro-4H-1,2-oxazines and Their Acid-catalysed Hydrolysis Leading to 3-Aryl-5,6-dihydro-4H-1,2-oxazin-6-ones and/or 4-Aryl-4-(hydroxyimino)butyric Acid Esters

Tanimoto, Shigeo,Matsumoto, Hideshi,Hojo, Makoto,Toshimitsu, Akio

, p. 3153 - 3157 (2007/10/02)

The cycloaddition of α-nitrosostyrene and its ring-substituted derivatives, which are generated by the reaction of α-chloroacetophenone oxime and its ring-substituted derivatives with K2CO3 in tetrahydrofuran, with ketene trimethylsilyl acetals proceeds t

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