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138206-93-6

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138206-93-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138206-93-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,2,0 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138206-93:
(8*1)+(7*3)+(6*8)+(5*2)+(4*0)+(3*6)+(2*9)+(1*3)=126
126 % 10 = 6
So 138206-93-6 is a valid CAS Registry Number.

138206-93-6Relevant articles and documents

Efficient Methodology for the Preparation of β-Aminotetralin Derivatives via Electrophilic Amination

Gmeiner, Peter,Bollinger, Bernd

, p. 5927 - 5930 (1991)

A mild and efficient method for the construction of β-aryl amines from the corresponding α-aryl ketones is presented.The key step of the synthesis involve an electrophilic amination by dibenzyl azodicarboxylate followed by a stereoselective LiHBEt3 reduction.The reaction sequence is applied to the synthesis of the tricyclic ergoline analogue 4. Key words: electrophilic amination; stereoselective reduction; α-amino ketones.

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