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5-amino-8-(4-hydroxyphenylamino)naphthalene-2-sulfonic acid is a complex organic compound with the molecular formula C16H14N2O4S. It is a derivative of naphthalene, a polycyclic aromatic hydrocarbon, and features an amino group at the 5-position, a hydroxyphenylamino group at the 8-position, and a sulfonic acid group at the 2-position. 5-amino-8-(4-hydroxyphenylamino)naphthalene-2-sulfonicacid is known for its potential applications in the synthesis of dyes and pigments, as well as in the development of certain pharmaceuticals. Its chemical structure allows for various functional groups to interact, which can lead to a range of chemical properties and reactivity. The presence of the sulfonic acid group imparts water-solubility, while the amino and hydroxyphenylamino groups contribute to its potential for forming complexes or participating in chemical reactions.

118-21-8

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118-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118-21-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,1 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 118-21:
(5*1)+(4*1)+(3*8)+(2*2)+(1*1)=38
38 % 10 = 8
So 118-21-8 is a valid CAS Registry Number.
InChI:InChI=1/C16H14N2O4S/c17-15-7-8-16(18-10-1-3-11(19)4-2-10)14-9-12(23(20,21)22)5-6-13(14)15/h1-9,18-19H,17H2,(H,20,21,22)

118-21-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-amino-8-(4-hydroxyphenylamino)naphthalene-2-sulfonicacid

1.2 Other means of identification

Product number -
Other names 5-amino-8-(4-hydroxyanilino)naphthalene-2-sulfonic acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

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More Details:118-21-8 SDS

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