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686744-82-1

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686744-82-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 686744-82-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,6,7,4 and 4 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 686744-82:
(8*6)+(7*8)+(6*6)+(5*7)+(4*4)+(3*4)+(2*8)+(1*2)=221
221 % 10 = 1
So 686744-82-1 is a valid CAS Registry Number.

686744-82-1Relevant articles and documents

A Versatile Chemo-Enzymatic Route to Enantiomerically Pure β-Branched α-Amino Acids

Roff, Geoffrey J.,Lloyd, Richard C.,Turner, Nicholas J.

, p. 4098 - 4099 (2007/10/03)

A series of diastereoisomers of β-methyl-β-phenylalanine analogues 1a?f have been prepared in enantiomerically pure form using a combination of chemo- and biocatalysis. Starting from l-threonine methyl ester 2, a range of β,β-disubstituted didehydroamino

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