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ethyl 4-diazo-4-(phenylsulfonyl)-3-butenoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

134418-82-9

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134418-82-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134418-82-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,4,1 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 134418-82:
(8*1)+(7*3)+(6*4)+(5*4)+(4*1)+(3*8)+(2*8)+(1*2)=119
119 % 10 = 9
So 134418-82-9 is a valid CAS Registry Number.

134418-82-9Relevant academic research and scientific papers

Stereoselective Synthesis of Seven-Membered Carbocycles by a Tandem Cyclopropanation/Cope Rearrangement between Rhodium(II)-Stabilized Vinylcarbenoids and Dienes

Davies, Huw M. L.,Clark, T. Jeffrey,Smith, H. David

, p. 3817 - 3824 (2007/10/02)

Rhodium(II)-catalyzed decomposition of vinyldiazomethanes in the presence of dienes generated 1,4-cycloheptadienes by a tandem cyclopropanation/Cope rearrangement.Excellent stereocontrol of up to three stereogenic centers in the cycloheptadienes was achie

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