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1-Oxa-2,7-diazaspiro[4.4]non-2-en-6-one, 3-(2-bromophenyl)-8,8-dimethyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139059-95-3

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139059-95-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139059-95-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,5 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139059-95:
(8*1)+(7*3)+(6*9)+(5*0)+(4*5)+(3*9)+(2*9)+(1*5)=153
153 % 10 = 3
So 139059-95-3 is a valid CAS Registry Number.

139059-95-3Downstream Products

139059-95-3Relevant academic research and scientific papers

Regioselectivity in the 1,3-Dipolar Cycloaddition of Nitrile Oxides to 3,3-Methylene-5,5-dimethyl-2-pyrrolidinone

Oravec, Peter,Fisera, Lubor,Ertl, Peter,Vegh, Daniel

, p. 821 - 828 (2007/10/02)

Nitrile oxides add regioselectively to the carbon-carbon double bond of 3,3-methylene-5,5-dimethyl-2-pyrrolidinone (1), giving exclusively spiro-isoxazolines: 3-aryl-6-oxo-8,8-dimethyl-1-oxa-2,7-diazaspironon-2-enes 3a-l.The regiochemistry of the 1,3

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