The CAS Registry Mumber 189256-61-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,2,5 and 6 respectively; the second part has 2 digits, 6 and 1 respectively. Calculate Digit Verification of CAS Registry Number 189256-61: (8*1)+(7*8)+(6*9)+(5*2)+(4*5)+(3*6)+(2*6)+(1*1)=179 179 % 10 = 9 So 189256-61-9 is a valid CAS Registry Number.
Dipeptide surrogates containing asparagine-derived tetrahydropyrimidinones: Preparation, structure, and use in solid phase synthesis
Konopelski,Filonova,Olmstead
, p. 4305 - 4306 (2007/10/03)
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Get Best Price for189256-61-9[((S)-1-{(S)-2-[(2S,6S)-6-Carbamoyl-2-(4-chloro-3-nitro-phenyl)-4-oxo-tetrahydro-pyrimidin-1-yl]-1-methyl-2-oxo-ethylcarbamoyl}-2-methyl-propylcarbamoyl)-methyl]-carbamic acid 9H-fluoren-9-ylmethyl ester