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140421-17-6

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140421-17-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140421-17-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,4,2 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 140421-17:
(8*1)+(7*4)+(6*0)+(5*4)+(4*2)+(3*1)+(2*1)+(1*7)=76
76 % 10 = 6
So 140421-17-6 is a valid CAS Registry Number.

140421-17-6Downstream Products

140421-17-6Relevant articles and documents

Conversion of Chiral Oxiranes into Chiral Aziridines with Retention of Configuration by Way of Chiral Episulfonium Ions and Reactions of the Aziridines with Grignard Reagents

Toshimitsu, Akio,Abe, Hideyuki,Hirosawa, Chitaru,Tamao, Kohei

, p. 3465 - 3472 (2007/10/02)

Chiral oxiranes are converted into chiral aziridines with overall retention of configuration by means of sulfur chemistry.The key step of this procedure is the transformation of the organosulfur intermediates, i.e., the replacement of a hydroxy group boun

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