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35883-08-0

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35883-08-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 35883-08-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,8,8 and 3 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 35883-08:
(7*3)+(6*5)+(5*8)+(4*8)+(3*3)+(2*0)+(1*8)=140
140 % 10 = 0
So 35883-08-0 is a valid CAS Registry Number.

35883-08-0Relevant articles and documents

Nucleophilic substitution in O-phenyldibenzofuranium and 10-phenylxanthonium cations

Tolstaya,Bobyleva,Vanchikov,Kovalysheva,Kulikov,Tsariev

, p. 789 - 797 (2007/10/03)

Reactions of O-phenyldibenzofuranium tetrafluoroborate with nucleophiles (OH-, NO2-, AcO-) in aqueous media follow the SNAr-mechanism and involve dehydroarenes. In DMSO, this salt smoothly reacts with NO2- and I- with predominant opening of the furan ring. 10-Phenylxanthonium tetrafluoroborate readily arylates the NO2- ion in water (at the N and O atoms), mainly with predominant opening of the central ring, and is completely decomposed even with weak bases (NH2OH, 2,4-dinitrophenylhydrazine). The Baeyer -Villiger oxidation of this salt affords xanthone and 2-phenoxybenzoic acid.

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