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104679-45-0

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104679-45-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104679-45-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,6,7 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 104679-45:
(8*1)+(7*0)+(6*4)+(5*6)+(4*7)+(3*9)+(2*4)+(1*5)=130
130 % 10 = 0
So 104679-45-0 is a valid CAS Registry Number.

104679-45-0Relevant articles and documents

Process for preparing N,N'-disubstituted nitro-para-phenylenediamines, N,N'-disubstituted nitro-para-phenylenediamines, and intermediate oxazolidones

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, (2008/06/13)

The present invention relates to a process for preparing a N,N'-disubstituted nitro-para-phenylenediamine (I) according to the following scheme: STR1 X denoting a halogen and R a lower alkyl, lower mono- or polyhydroxyalkyl, lower alkoxyalkyl or lower aminoalkyl group, in which the amino group can be mono- or disubstituted with a lower alkyl or lower mono- or polyhydroxyalkyl group, the nitrogen atom of said amino group being able to form part of a heterocyclic system. The invention also relates to the intermediate oxazolidones of formulae (II) and (III), and the new nitro-para-phenylenediamines in which R denotes a lower alkoxyalkyl, lower polyhydroxyalkyl or lower aminoalkyl group, as well as the dyeing compositions for keratinous fibres containing these new nitro-para-phenylenediamines.

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