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Orthanilic acid (ORT)

Orthanilic acid (ORT)

CAS Number: 88-21-1

Molecular Formula: C6H7NO3S

About Orthanilic acid (ORT)

Orthanilic acid CAS 121-03-9 serves as a vital bifunctional reagent in the API intermediates market, primarily utilized for the synthesis of complex pharmaceutical molecules and specialized azo dyes with >= 99% pharma purity. As a leading bulk chemical supplier, we address the increasing demand for high purity fine che...

Orthanilic acid (ORT) Specifications

CAS Number
88-21-1
Molecular Formula
C6H7NO3S
Molecular Weight
173.19 g/mol
IUPAC Name
2-aminobenzenesulfonic acid
Canonical SMILES
C1=CC=C(C(=C1)N)S(=O)(=O)O
InChI Key
ZMCHBSMFKQYNKA-UHFFFAOYSA-N
Molecular Weight
173.19 g/mol

Dye Intermediate

A versatile aromatic sulfonic acid primarily used as a precursor in the synthesis of various reactive dyes, such as Reactive Brilliant Red K-4BC, and azo pigments

Pharmaceutical Intermediate

A critical building block employed in the manufacture of sulfonamide antibiotics and other active pharmaceutical ingredients

Organic Synthesis Intermediate

A functionalized aniline derivative used as a starting material for the development of complex specialty chemicals and fine chemicals

Laboratory Reagent

A chemical used in academic and industrial research for microbial metabolism studies and as a component in analytical chromatography methods.

Orthanilic acid (ORT) FAQs

Minimum Order Quantity

25 kg (pilot) · 1 MT (commercial)

Lead Time

3 – 5 weeks ex-works

Incoterms

FOB · CIF

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

Regional Availability

India · EU · Middle East · Southeast Asia

Documentation

SDS · COA · TDS available on request

Compliance & Quality

REACH registered*

GHS/SDS available

ISO 9001:2015 site*

RoHS compliant*

Global sourcing network

Consistent quality & reliability

End-to-end technical support

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