68555-86-2 Usage
General Description
Acid Orange 156, also known as C.I. Acid Orange 156, is a synthetic azo dye commonly used in the textile industry to dye natural and synthetic fibers. It is a bright orange to red solid powder with the chemical formula C16H11N3O4S. Acid Orange 156 is water-soluble and is often applied to textiles by immersion or padding. It is known for its high color strength and good light fastness, making it a popular choice for a wide range of applications including clothing, upholstery, and home textiles. However, like many azo dyes, Acid Orange 156 has been found to have potential health and environmental concerns, leading to its regulation and restricted use in some regions.
Check Digit Verification of cas no
The CAS Registry Mumber 68555-86-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,5,5 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 68555-86:
(7*6)+(6*8)+(5*5)+(4*5)+(3*5)+(2*8)+(1*6)=172
172 % 10 = 2
So 68555-86-2 is a valid CAS Registry Number.
InChI:InChI=1/C21H20N4O5S.Na/c1-14-12-20(25-23-15-4-8-17(29-2)9-5-15)21(30-3)13-19(14)24-22-16-6-10-18(11-7-16)31(26,27)28;/h4-13H,1-3H3,(H,26,27,28);/q;+1/p-1