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1438396-07-6

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1438396-07-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1438396-07-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,8,3,9 and 6 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1438396-07:
(9*1)+(8*4)+(7*3)+(6*8)+(5*3)+(4*9)+(3*6)+(2*0)+(1*7)=186
186 % 10 = 6
So 1438396-07-6 is a valid CAS Registry Number.

1438396-07-6Relevant articles and documents

Novel amide-based cationic surfactants as efficient corrosion inhibitors for carbon steel in HCl and H2SO4 media

Y?ld?r?m,?ztürk,?etin

, p. 13 - 23 (2013/03/13)

A variety of surface active compounds were synthesized by the quaternization of some straight chain amide derivatives with triethylamine or pyridine. Their structure FT-IR and 1H-NMR spectra were recorded. In addition their physical properties and corrosion prevention efficiencies were investigated. All compounds were tested with steel coupons in acidic media by the gravimetric method. As acidic media 1.5 M HCl and 1.5 M H2SO 4 were used and the corrosion inhibition tests fulfilled at room temperature for 24 h. Almost all prepared cationic surfactants showed efficient inhibition around their critical micelle concentrations. The effects of HCl concentration on corrosion inhibition of some synthesized compounds were also investigated. The corrosion tests were supported by contact angle measurements.

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