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118975-81-8

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118975-81-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118975-81-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,9,7 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 118975-81:
(8*1)+(7*1)+(6*8)+(5*9)+(4*7)+(3*5)+(2*8)+(1*1)=168
168 % 10 = 8
So 118975-81-8 is a valid CAS Registry Number.

118975-81-8Relevant articles and documents

Synthesis and molecular structures of novel α-amino organoaluminum ester enolates. Key intermediates in the selective formation of trans-3-amino-2-azetidinones

Van der Steen,Van Mier,Spek,Kroon,Van Koten

, p. 5742 - 5750 (2007/10/02)

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A synthesis for beta-lactams with the aid of a metal compound

-

, (2008/06/13)

Trans-β-lactams are prepared in a nearly quantative yield by a condensation reaction of a new intermediate metal enolate and an appropriate imine. Certain new metal enolates are provided as intermediates.

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