82857-07-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82857-07-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,8,5 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 82857-07:
(7*8)+(6*2)+(5*8)+(4*5)+(3*7)+(2*0)+(1*7)=156
156 % 10 = 6
So 82857-07-6 is a valid CAS Registry Number.
82857-07-6Relevant academic research and scientific papers
Nitro-derivatives of the benzene series and their use in the dyeing of keratin fibres
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, (2008/06/13)
The invention provides novel nitro-paraphenylenediamine derivatives of the formula: STR1 in which R1 denotes an alkyl group, a monohydroxy- or polyhydroxy-alkyl group or an aminoalkyl group, the amino group of which is optionally monosubstitute
