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141811-82-7

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141811-82-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141811-82-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,8,1 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 141811-82:
(8*1)+(7*4)+(6*1)+(5*8)+(4*1)+(3*1)+(2*8)+(1*2)=107
107 % 10 = 7
So 141811-82-7 is a valid CAS Registry Number.

141811-82-7Downstream Products

141811-82-7Relevant articles and documents

Synthesis and reactivity of trans-2-aryl-3-chloroazetidines

Van Driessche, Berten,Van Brabandt, Willem,D'hooghe, Matthias,Dejaegher, Yves,De Kimpe, Norbert

, p. 6882 - 6892 (2006)

Several trans-2-aryl-3-chloroazetidines were synthesized in a stereoselective way by reduction of the corresponding β-lactams, which were formed by a Staudinger reaction using different benzaldimines and chloroketene. The resulting chloroazetidines proved to be excellent building blocks for the synthesis of different 3-substituted azetidines through nucleophilic substitution of the chlorine by different carbon, nitrogen, sulfur and oxygen nucleophiles in good to high yields. Since these substitution reactions took place with retention of stereochemistry, the intermediacy of bicyclic azonio[1.1.0]bicyclobutanes is proposed.

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