67577-84-8 Usage
Preparation
1,5-Dichloroanthracene-9,10-dione and 1,8-Dichloroanthracene-9,10-dione or 1,5-Dinitroanthracene-9,10-dione and 1,8-Dinitroanthracene-9,10-dione mixture and p-Methylaniline condensation.
Properties and Applications
brilliant purple. In concentrated sulfuric acid for olive green, purple precipitation after dilution. Used for oil, paraffin wax, polystyrene, wood of coloring.
Check Digit Verification of cas no
The CAS Registry Mumber 67577-84-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,5,7 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 67577-84:
(7*6)+(6*7)+(5*5)+(4*7)+(3*7)+(2*8)+(1*4)=178
178 % 10 = 8
So 67577-84-8 is a valid CAS Registry Number.