Cas 128461-99-4,C31H28O7

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Check Digit Verification of cas no

The CAS Registry Mumber 128461-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,6 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128461-99:
(8*1)+(7*2)+(6*8)+(5*4)+(4*6)+(3*1)+(2*9)+(1*9)=144
144 % 10 = 4
So 128461-99-4 is a valid CAS Registry Number.

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128461-99-4Relevant academic research and scientific papers

Synthetic Study toward Vineomycins. Synthesis of C-Aryl Glycoside Sector via Cp2HfCl2-AgClO4-Promoted Tactics

Matsumoto, Takashi,Katsuki, Miyoko,Jona, Hideki,Suzuki, Keisuke

, p. 6185 - 6188 (1989)

Regio- and stereo-controlled formation of C-aryl β-D-olivoside linkage is achieved by the reaction of naphthol or anthrol derivatives with D-olivosyl fluoride.The reaction is efficiently promoted by Cp2HfCl2-AgClO4 and the bond formation occurs selectivit

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