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1144525-74-5

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1144525-74-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1144525-74-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,4,5,2 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1144525-74:
(9*1)+(8*1)+(7*4)+(6*4)+(5*5)+(4*2)+(3*5)+(2*7)+(1*4)=135
135 % 10 = 5
So 1144525-74-5 is a valid CAS Registry Number.

1144525-74-5Downstream Products

1144525-74-5Relevant articles and documents

Evaluation of electrophilic activities of substituted nitroarenes in the VNS reaction with secondary and tertiary carbanions

Blazej,Wilenska,Voynova,Makosza

, p. 2017 - 2030 (2008/12/23)

Relative electrophilic activities of substituted nitroarenes in the vicarious nucleophilic substitution (VNS) reaction with carbanion of chloromethylp-chlorophenyl and bromomethyl phenyl sulfones, 1 and 2, were determined via competitive experiments. The results are in good agreement with relative activities determined earlier in the competitive experiments with carbanion of chloromethyl phenyl sulfone 3 confirming reliability of these data. On the other hand, analogous competitive experiments with tertiary carbanions of chloroform and 1-chloroethyl phenyl sulfone gave results much affected by steric effects thus the VNS reaction with these carbanions cannot be used for evaluation of electrophilic activities of nitroarenes.

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