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2-Butanone, 3-[1-phenyl-4-(trimethylsilyl)-1H-1,2,3-triazol-5-yl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139192-32-8

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139192-32-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139192-32-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,9 and 2 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139192-32:
(8*1)+(7*3)+(6*9)+(5*1)+(4*9)+(3*2)+(2*3)+(1*2)=138
138 % 10 = 8
So 139192-32-8 is a valid CAS Registry Number.

139192-32-8Downstream Products

139192-32-8Relevant academic research and scientific papers

Reaction of lithium trimethylsilyldiazomethanide with ketenimines bearing electron-withdrawing groups

Aoyama,Nakano,Marumo,Uno,Shioiri

, p. 1163 - 1167 (2007/10/02)

Ketenimines bearing electron-withdrawing groups (X in 1) at the C2-position react with lithium trimethylsilyldiazomethanide [diazo(lithio)trimethylsilylmethane] to give 4-amino-3-trimethylsilylpyrazoles 4 or 5 mainly; in some cases 4-trimethylsilyl-1,2,3-triazole derivatives 3 were formed as the major products.

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