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205647-25-2

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205647-25-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205647-25-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,6,4 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 205647-25:
(8*2)+(7*0)+(6*5)+(5*6)+(4*4)+(3*7)+(2*2)+(1*5)=122
122 % 10 = 2
So 205647-25-2 is a valid CAS Registry Number.

205647-25-2Relevant articles and documents

Enantioselective addition of thiazolyllithium to aldimines with the aid of chiral ligand. Asymmetric synthesis of (S)-DOE, a component of marine natural product, dolastatin 10

Tomioka, Kiyoshi,Satoh, Maki,Taniyama, Daisuke,Kanai, Motomu,Iida, Akira

, p. 77 - 80 (1998)

The external chiral ligand mediated asymmetric reaction of thiazolyllithium with aldimines was examined. The amino ether (5) gave rise to relatively high selectivity in the reaction of phenylimine, and sparteine (6) provided high selectivity in the reacti

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