Isoniazid

CAS 54-85-3C6H7N3OBiochemicals & Reagents

Isoniazid (CAS 54-85-3), with the chemical formula C6H7N3O and a molecular weight of 137.14 g/mol, is a vital synthetic compound recognised for its significant antimycobacterial properties. Primarily used as a first-line medication in the prevention and treatment of tuberculosis, it functions by inhibiting the synthesis of mycolic acids, essential components of the mycobacterial cell wall. Its efficacy and historical importance make it a key reagent in both clinical and research settings.

IUPAC: INH,Isonicotinic acid hydrazide,Isonicotinic hydrazide
Synonyms: INHIsonicotinic acid hydrazideIsonicotinic hydrazide

Email us

Isoniazid (C6H7N3O) — chemical structure, CAS 54-85-3; Life Science, fine chemical supplied by Tech Serve Solutions

Analytical StandardsAnalytical/ChromatographyAntibacterialAntibioticsAntimycobacterialApplication IndexBiochemicals and ReagentsCell BiologyCell Signaling EnzymesChemical Structure Class

01 /Applications

Antituberculosis Agent

Isoniazid is a cornerstone in the treatment and prophylaxis of tuberculosis (TB). It is used to combat infections caused by Mycobacterium tuberculosis, often in combination with other antimicrobial agents to prevent resistance.

Research Reagent

As a well-characterised compound, Isoniazid serves as a reference standard and research tool in studies related to drug metabolism, bacterial cell wall synthesis, and the development of new antimicrobial therapies.

Analytical Standard

This compound is utilised as an analytical standard in chromatography and other analytical techniques for the identification and quantification of Isoniazid in various matrices.

02 /Properties

Molecular weight	137.14
Empirical formula	C6H7N3O
Assay	≥99% (TLC)
Melting point	171-173 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22-38
Safety statements (S)	37

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

54-85-3

MDL number

MFCD00006426

PubChem substance

24896031

Beilstein registry

119374

05 /Additional specifications

Fluorescence	λex 360 nm; λem 450 nm (thiol adduct)

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is Isoniazid used for?

Isoniazid is primarily used for the prevention and treatment of tuberculosis (TB) and other infections caused by Mycobacterium species. It also serves as a research reagent and analytical standard.

What are the CAS number and formula for Isoniazid?

The CAS number for Isoniazid is 54-85-3, and its empirical formula is C6H7N3O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Isoniazid with an assay of ≥99% (TLC). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product specifications.

How should I handle Isoniazid safely?

Isoniazid is harmful if swallowed and causes skin irritation. When handling, wear a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. Refer to the Safety Data Sheet for comprehensive handling information.

How is Isoniazid packed and shipped by TSS?

Isoniazid is carefully packed in compliance with international shipping regulations for chemical compounds. We export globally, ensuring products reach our customers securely and efficiently.

How can I request a quote or sample for Isoniazid?

To request a quote or a sample of Isoniazid, please contact our sales team through the website or by calling us directly. We are here to assist with your chemical needs.