Cas 287719-33-9,Acetic acid (2R,3S,4R,5S,6S)-4,5-diazido-6-methoxy-2-trityloxymethyl-tetrahydro-pyran-3-yl ester

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Check Digit Verification of cas no

The CAS Registry Mumber 287719-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,7,7,1 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 287719-33:
(8*2)+(7*8)+(6*7)+(5*7)+(4*1)+(3*9)+(2*3)+(1*3)=189
189 % 10 = 9
So 287719-33-9 is a valid CAS Registry Number.

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287719-33-9Relevant academic research and scientific papers

β-glycosides of 2,3-diazido-2,3-dideoxy-D-mannose, a synthetic precursor of a rare bacterial cell-wall building unit

Szurmai, Zoltá,Rákó, János,ágoston, Károly,Danan, Alain,Charon, Daniel

, p. 1839 - 1842 (2007/10/03)

(Formula presented) 2,3-Diazido-2,3-dideoxy-β-D-mannopyranoside derivatives were synthesized in order to prepare β-glycosides of 2,3-diacetamido-2,3-dideoxy-D-mannuronic acid, a rare moiety of bacterial oligosaccharides. A direct glycosyl donor, 4,6-di-O-

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