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83755-93-5

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83755-93-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83755-93-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,5 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83755-93:
(7*8)+(6*3)+(5*7)+(4*5)+(3*5)+(2*9)+(1*3)=165
165 % 10 = 5
So 83755-93-5 is a valid CAS Registry Number.

83755-93-5Downstream Products

83755-93-5Relevant articles and documents

Electrophilic Substitution with Rearrangement. Part 10. Some Products of Bromination of 2,4-Dimethylphenol and of 4-t-Butyl-2-methylphenol

Brittain, Judith M.,Mare, Peter B. D. de la,Newman, Paul A.,Chin, Wong See

, p. 1193 - 1198 (2007/10/02)

The reaction of 2,4-dimethylphenol with bromine gives first 6-bromo-2,4-dimethylphenol, which according to the conditions of further bromination can give 4,6-dibromo-2,4-dimethylcyclohexa-2,5-dienone; a mixture of 5,6- with some 3,6-dibromo-2,4-dimethylphenol; 6-bromo-4-bromomethyl-2-methylphenol with none of the 2-bromomethyl-4-methyl isomer; or a mixture from which 6-bromo-2,4-bis(bromomethyl)phenol can be isolated.The corresponding dienone from 6-bromo-4-t-butyl-2-methylphenol reacts by more complex pathways, and the products include those of de-t-butylation.The probable mechanisms involved in these reactions are discussed.

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