19471-27-3 Usage
General Description
4-[[p-(Dimethylamino)phenyl]azo]-2,5-dimethylpyridine 1-oxide, also known as Disperse Orange 3, is a synthetic organic compound used as a dye in the textile industry. It is classified as an azo dye, which means it contains the azo group (-N=N-). 4-[[p-(Dimethylamino)phenyl]azo]-2,5-dimethylpyridine 1-oxide is bright orange in color and is commonly used to dye synthetic fibers such as polyester and acrylic. It is insoluble in water but can be dissolved in organic solvents. Disperse Orange 3 is often used to provide vibrant and long-lasting color to textiles. However, it has also been found to pose health and environmental risks, and its use has been regulated in some countries.
Check Digit Verification of cas no
The CAS Registry Mumber 19471-27-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,7 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19471-27:
(7*1)+(6*9)+(5*4)+(4*7)+(3*1)+(2*2)+(1*7)=123
123 % 10 = 3
So 19471-27-3 is a valid CAS Registry Number.
InChI:InChI=1/C15H18N4O/c1-11-10-19(20)12(2)9-15(11)17-16-13-5-7-14(8-6-13)18(3)4/h5-10H,1-4H3/b17-16+
