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97080-68-7

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97080-68-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97080-68-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,0,8 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 97080-68:
(7*9)+(6*7)+(5*0)+(4*8)+(3*0)+(2*6)+(1*8)=157
157 % 10 = 7
So 97080-68-7 is a valid CAS Registry Number.

97080-68-7Relevant articles and documents

A Novel α-Hydroxydihydrochalcone from the Heartwood of Pterocarpus angolensis D.C.: Absolute Configuration, Synthesis, Photochemical Transformations, and Conversion into α-Methyldeoxybenzoins

Bezuidenhoudt, Barend C. B.,Brandt, E. Vincent,Roux, David G.

, p. 263 - 269 (2007/10/02)

The absolute configuration of (αR)-α,2'-dihydroxy-4,4'-dimethoxydihydrochalcone from the heartwood of Pterocarpus angolensis D.C. is established.Its structure is substantiated by synthesis and by photochemical conversion of its α-O-tosyl derivative into an α-tosyloxymethyldeoxybenzoin and hence to the α-methyldeoxybenzoin analogue.The photochemical step also leads, amongst others, to α-hydroxymethyldeoxybenzoin, β-hydroxydihydrochalcone, and 2-benzylbenzofuran-3-one analogues depending on the conditions the photolysis.

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