501075-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 501075-77-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,0,7 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 501075-77:
(8*5)+(7*0)+(6*1)+(5*0)+(4*7)+(3*5)+(2*7)+(1*7)=110
110 % 10 = 0
So 501075-77-0 is a valid CAS Registry Number.
501075-77-0Relevant academic research and scientific papers
Dyestuffs and Hair Dye Compositions
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Page/Page column 12-13, (2008/06/13)
The present invention refers to dyestuffs of the general formula (I) wherein R, R1, X, Y, Z, T and A- are defined as given in claim 1, dyestuff mixtures and hair dye compositions comprising them, as well as a process for colouring ha