13643-37-3 Usage
Group
Anthraquinone derivatives
Usage
Synthetic organic dye in textile industry
Application
Dye cotton, wool, and silk
Physical appearance
Reddish-brown powder
Solubility
Insoluble in water, dissolves in strong acidic solutions
Color properties
High color strength and lightfastness
Popularity
Popular choice for coloring textiles
Safety concerns
Toxic if ingested or inhaled
Potential hazards
May cause skin and eye irritation
Check Digit Verification of cas no
The CAS Registry Mumber 13643-37-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,6,4 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 13643-37:
(7*1)+(6*3)+(5*6)+(4*4)+(3*3)+(2*3)+(1*7)=93
93 % 10 = 3
So 13643-37-3 is a valid CAS Registry Number.
InChI:InChI=1/C15H12N2O4/c1-17-7-3-5-9(19)13-11(7)15(21)12-8(18)4-2-6(16)10(12)14(13)20/h2-5,17-19H,16H2,1H3