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118988-99-1

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118988-99-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118988-99-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,9,8 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 118988-99:
(8*1)+(7*1)+(6*8)+(5*9)+(4*8)+(3*8)+(2*9)+(1*9)=191
191 % 10 = 1
So 118988-99-1 is a valid CAS Registry Number.

118988-99-1Relevant articles and documents

The Use of the β-Amino-Alcohol-N-Oxide Derivatives in the Synthesis of 2,3 or 4-Alkyl Substituted NH Pyrrolidines

Roussi, Georges,Zhang, Jidong

, p. 5161 - 5172 (2007/10/02)

Nonstabilized azomethine ylides generated from the various β-amino alcohols N-oxides 13, 17, 23 and 24 undergo cycloaddition reactions with unactivated alkenes to afford the corresponding pyrrolidines 14a-g, 18a-g, 25 und 27 in moderate to good yields.These compounds are precursors of NH pyrrolidines substituted in position 2, 3 or 4.

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