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3618-72-2

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  • 2-[5-acetamido-N-(2-acetyloxyethyl)-4-[(2-bromo-4,6-dinitrophenyl)diazenyl]-2-methoxyanilino]ethyl acetate

    Cas No: 3618-72-2

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3618-72-2 Usage

Flammability and Explosibility

Notclassified

Check Digit Verification of cas no

The CAS Registry Mumber 3618-72-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,1 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 3618-72:
(6*3)+(5*6)+(4*1)+(3*8)+(2*7)+(1*2)=92
92 % 10 = 2
So 3618-72-2 is a valid CAS Registry Number.

3618-72-2Relevant articles and documents

Synthesis and Spectral Characterization of Blue Dyes of the Benzene Series

Thiel, W.,Mayer, R.,Jauer, E.-A.,Modrow, H.,Dost, H.

, p. 497 - 514 (2007/10/02)

53 Donor-acceptor substituted azo dyes of the benzene series were prepared by diazonium-coupling reactions (1a-s) or halogen-cyanide exchange (->2a-x, 3a-j).Described are the preparation of the amines 4a-m and the coupling compounds 5a-t and the procedure of diazotizing and coupling.The colouristic and spectroscopic data show that compounds of the general formula 1 are excellent brilliant blue azo dyes usefull for dyeing polyester material.

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