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94303-57-8

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94303-57-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94303-57-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,3,0 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 94303-57:
(7*9)+(6*4)+(5*3)+(4*0)+(3*3)+(2*5)+(1*7)=128
128 % 10 = 8
So 94303-57-8 is a valid CAS Registry Number.

94303-57-8Downstream Products

94303-57-8Relevant articles and documents

Ecofriendly synthesis of halogenated flavonoids and evaluation of their antifungal activity

Bernini, Roberta,Pasqualetti, Marcella,Provenzano, Gianfranco,Tempesta, Sabrina

, p. 2980 - 2987 (2015)

Brominated and chlorinated flavonoids belonging to different classes (flavanones, flavones and catechins) were prepared from the corresponding flavonoids by a simple and ecofriendly procedure based on the use of sodium halides, aqueous hydrogen peroxide and acetic acid. Pure samples of substrates and products were tested against Trichoderma koningii, Fusarium oxysporum and Cladosporium cladosporioides, common saprotrophic soil and seed fungi, potential pathogens for humans and their activity was expressed as linear mycelial growth inhibition (%). Among them, 8-chloro-5,7,3′,4′-tetramethoxyepicatechin 29, a novel catechin derivative, exhibited a remarkable effect against all tested fungi also at low concentrations.

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