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81408-33-5

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81408-33-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81408-33-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,0 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81408-33:
(7*8)+(6*1)+(5*4)+(4*0)+(3*8)+(2*3)+(1*3)=115
115 % 10 = 5
So 81408-33-5 is a valid CAS Registry Number.

81408-33-5Relevant articles and documents

Synthesis of Inhibitors of Adenosine Deaminase. A Total Synthesis of erythro-3-(Adenin-9-yl)-2-nonanol and Its Isomers from Chiral Precursors

Baker, David C.,Hawkins, L. D.

, p. 2179 - 2184 (2007/10/02)

The synthesis of both isomers of EHNA2 ("erythrohydroxynonyladenine") from D- and L-rhamnose is described.The key intermediates, (R)- and (S)-2-(benzyloxy)propanal, derived respectively from 5-O-benzyl-D- and -L-rhamnitol, were each condensed w

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