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73105-40-5

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73105-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73105-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,0 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 73105-40:
(7*7)+(6*3)+(5*1)+(4*0)+(3*5)+(2*4)+(1*0)=95
95 % 10 = 5
So 73105-40-5 is a valid CAS Registry Number.

73105-40-5Relevant articles and documents

EFFECT OF BENZANNELLATION ON THE COLOR OF p-AMINOAZO COMPOUNDS

Gorelik, M. V.,Lomzakova, V. I.

, p. 1641 - 1646 (2007/10/02)

Monoazo dyes containing a naphthalene ring were obtained by diazotization of 1-amino-4-nitro-2-naphthonitrile, 3-amino-5-nitronaphthoisothiazole, and 3-amino-5-nitrobenzoindazole and coupling of the diazonium salts with N,N-dialkyl derivatives of anilines.Their visible spectra were compared with the spectra of the corresponding benzene analogs.Annellation of the benzene ring in the residue of the diazo component gives rise to a bathochromic or hypsochromic shift, depending on the structure of the dye.The nature of the observed effects is discussed.

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