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109276-80-4

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109276-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109276-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,2,7 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109276-80:
(8*1)+(7*0)+(6*9)+(5*2)+(4*7)+(3*6)+(2*8)+(1*0)=134
134 % 10 = 4
So 109276-80-4 is a valid CAS Registry Number.

109276-80-4Relevant articles and documents

Expedient Synthesis of Natural (S)-Sinefungin and of its C-6' Epimer

Barton, Derek H. R.,Gero, Stephane D.,Quiclet-Sire, Beatrice,Samadi, Mohammed

, p. 981 - 985 (2007/10/02)

Sinefungin 1a and 6-epi-sinefungin 1b have been prepared from adenosine and L-aspartic acid.The key step in the synthesis was the coupling of the radical derived from 14 with the unsaturated amide 13.The latter was obtained by a radical reaction from L-as

Synthesis of novel α-amino-acids and derivatives using radical chemistry: Synthesis of L- and D-α-amino-apidic acids, L-α-aminopimelic acid and appropriate unsaturated derivatives

Barton,Herve,Potier,Thierry

, p. 4297 - 4308 (2007/10/02)

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