85-67-6 Usage
General Description
8-amino-5-[(p-aminophenyl)azo]naphthalene-2-sulphonic acid, also known as Acid Orange 7, is an azo dye often used in the textile and paper industries. It is a water-soluble compound with a yellow to orange color and is commonly used as a coloring agent in various products. This chemical is derived from naphthalene and contains a sulfonic acid group, making it highly water-soluble and reactive. Acid Orange 7 has been found to have potential toxic effects on aquatic organisms, and its use and disposal are regulated to prevent environmental harm.
Check Digit Verification of cas no
The CAS Registry Mumber 85-67-6 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 5 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 85-67:
(4*8)+(3*5)+(2*6)+(1*7)=66
66 % 10 = 6
So 85-67-6 is a valid CAS Registry Number.
InChI:InChI=1/C16H14N4O3S/c17-10-1-3-11(4-2-10)19-20-16-8-7-15(18)14-9-12(24(21,22)23)5-6-13(14)16/h1-9H,17-18H2,(H,21,22,23)/b20-19+
