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111257-11-5

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111257-11-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111257-11-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,2,5 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 111257-11:
(8*1)+(7*1)+(6*1)+(5*2)+(4*5)+(3*7)+(2*1)+(1*1)=75
75 % 10 = 5
So 111257-11-5 is a valid CAS Registry Number.

111257-11-5Upstream product

111257-11-5Downstream Products

111257-11-5Relevant articles and documents

Polyfluoroalloxy phosphonic and phosphinic acid derivatives: I. 1-Hydroxy-2,2,2-trichloroethylphosphinates

Krutikova,Krutikov,Erkin

scheme or table, p. 428 - 433 (2010/08/04)

Polyfluoroalkyl esters of 1-hydroxy-2,2,2-trichloroethylphosphonic and aryl(alkyl-)phosphinic acids exhibited antienzyme activity towards esterases of animal and microbial origin. A good correlation is observed between high antiesterase activity of the target compounds and their physicochemical parameters, characterizing their structure.

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