12219-09-9 Usage
General Description
ACID BLACK 155 is a synthetic azo dye that is commonly used in the textile industry for dyeing wool, silk, and nylon. It is also used in the production of leather, paper, and inks. ACID BLACK 155 is known for its deep black color and good light fastness. However, it has been classified as a hazardous substance due to its potential for causing skin and eye irritation, as well as its environmental impact. The use of ACID BLACK 155 is regulated in some countries, and efforts are being made to find safer alternatives for dyeing textiles and other materials.
Check Digit Verification of cas no
The CAS Registry Mumber 12219-09-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,1 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 12219-09:
(7*1)+(6*2)+(5*2)+(4*1)+(3*9)+(2*0)+(1*9)=69
69 % 10 = 9
So 12219-09-9 is a valid CAS Registry Number.