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71426-48-7

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71426-48-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71426-48-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,4,2 and 6 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 71426-48:
(7*7)+(6*1)+(5*4)+(4*2)+(3*6)+(2*4)+(1*8)=117
117 % 10 = 7
So 71426-48-7 is a valid CAS Registry Number.

71426-48-7Relevant articles and documents

Novel Synthesis of Agaritine, a 4-Hydrazinobenzyl-Alcohol Derivative Occuring in Agaricaceae

Datta, Subir,Hoesch, Lienhard

, p. 1261 - 1267 (2007/10/02)

The 4-hydrazinobenzyl alcohol (3) was prepared (58percent) by diisobutylaluminiumhydride reduction of methyl 4-hydrazinobenzoate (4), whereas LiAlH4 of LiBH4 reduction of 4 proceeded further to yield (via intermediate 3) (4-tolylhydrazine (5).The alcohol 3 was stable under O2-free conditions and exhibited no tendency to eliminate H2O, neither thermally nor with H+ catalysis.Oxidation of 3 with SeO2 yielded 4-(hydroxymethyl)benzenediazonium ion (8), identified by its azo coupling product 9 with 2-naphthol.Condensation of 3 with 1-benzyl 5-hydrogen N-(benzyloxycarbonyl)-L-glutamate (1) in presence of dicyclohexylcarbodiimide afforded 82percent of N2-(benzyloxycarbonyl)-L-glutamic acid 1-(benzyl-ester) 5-(2-hydrazide) (11) which upon controlled hydrogenolysis (quinoline-sulfur-poisoned Pd/C catalyst) gave 82percent of L-glutamic acid 5-(2-hydrazide) (1), i.e. agaritine, a metabolite of Agaricus bisporus.Without poisoning of the catalyst, hydrogenolysis of (11) yielded L-glutamic acid 5-2-(4-tolyl)hydrazide) (12).

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