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289708-17-4

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289708-17-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 289708-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,7,0 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 289708-17:
(8*2)+(7*8)+(6*9)+(5*7)+(4*0)+(3*8)+(2*1)+(1*7)=194
194 % 10 = 4
So 289708-17-4 is a valid CAS Registry Number.

289708-17-4Downstream Products

289708-17-4Relevant articles and documents

Passerini multicomponent reaction of protected α-aminoaldehydes as a tool for combinatorial synthesis of enzyme inhibitors

Banfi, Luca,Guanti, Giuseppe,Riva, Renata

, p. 985 - 986 (2007/10/03)

Three-component Passerini condensation of N-Boc-α-aminoaldehydes with various isocyanides and carboxylic acids leads, after Boc- deprotection/transacylation, to complex peptide-like structures containing an α-hydroxy-β-aminoacid unit or, after oxidation,

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