Chlorthalidone

Name: Chlorthalidone
Brand: Zemixal
SKU: ZX-004086

IP/BP/USPAvailable on request

Chlorthalidone (CAS 77-36-1) supplier Zemixal: C14H11ClN2O4S, COA and SDS with every lot, worldwide shipping. Packs from 1 kg.

Pack sizes

CAS number77-36-1

FormulaC₁₄H₁₁ClN₂O₄S

Molar mass338.8 g/mol

Physical formPowder

HS code2933

InChIKeyJIVPVXMEBJLZRO-UHFFFAOYSA-N

IUPAC name2-chloro-5-(1-hydroxy-3-oxo-2H-isoindol-1-yl)benzenesulfonamide

About Chlorthalidone

Researchers and plant chemists source Chlorthalidone from Zemixal for routine and specialised work. Identity at a glance (IP/BP/USP): CAS 77-36-1, formula C14H11ClN2O4S and molar mass 338.8 g/mol. It is described as white crystalline powder.

Where it is used

Pharmaceutical formulation
Generic drug development

Storage and safety notes

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Order it in 1 kg, 5 kg and 25 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Chlorthalidone

See every impurity, metabolite and related compound we list for this API.

Chlorthalidone standards

Typical uses

Pharmaceutical formulation
Generic drug development

Applications

Pharmaceutical Manufacturing and QC

Grade guides

IP Grade (Indian Pharmacopoeia)BP Grade (British Pharmacopoeia)USP Grade (United States Pharmacopeia)

Specifications and identifiers

Specifications of Chlorthalidone
Product name	Chlorthalidone
Catalogue number	ZX-004086
CAS number	77-36-1
IUPAC name	2-chloro-5-(1-hydroxy-3-oxo-2H-isoindol-1-yl)benzenesulfonamide
Molecular formula	C₁₄H₁₁ClN₂O₄S
Molar mass	338.8 g/mol
Exact mass	338.0128
Grade	IP/BP/USP
Physical form	Powder
Appearance	White crystalline powder
XLogP3	0.9
H-bond donors / acceptors	3 / 5
Topological polar surface area	118 Å²
HS code	2933
InChIKey	JIVPVXMEBJLZRO-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(=O)NC2(C3=CC(=C(C=C3)Cl)S(=O)(=O)N)O
PubChem CID	2732
Synonyms	Chlortalidone, Phthalamudine, Chlorphthalidolone, Phthalamodine, Thalitone, Chlorothalidone, Chlorphthalidone, Saluretin, Clortalidone, 2-Chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl)benzenesulfonamide, 3-Hydroxy-3-(4-chloro-3-sulfamylphenyl)phthalimidine, 3-(4'-Chloro-3'-sulfamoylphenyl)-3-hydroxyphthalimidine

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Chlorthalidone
1 kg	Quoted on request
5 kg	Quoted on request
25 kg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Chlorthalidone

Which CAS number identifies Chlorthalidone?

Chlorthalidone is registered under CAS 77-36-1. You may also see it listed as Chlortalidone, Phthalamudine, Chlorphthalidolone. Our catalogue number for this item is ZX-004086.

What are the formula and molar mass of Chlorthalidone?

For Chlorthalidone, its formula is C14H11ClN2O4S and its molar mass is 338.8 g/mol. The systematic (IUPAC) name is 2-chloro-5-(1-hydroxy-3-oxo-2H-isoindol-1-yl)benzenesulfonamide. InChIKey JIVPVXMEBJLZRO-UHFFFAOYSA-N lets you match it in any structure database.

How is Chlorthalidone used in pharmaceutical QC?

Chlorthalidone is a characterised reference material linked to Chlorthalidone. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Chlorthalidone?

This listing is IP/BP/USP grade. Standard packs are 1 kg, 5 kg, 25 kg. Larger quantities and custom packing can be quoted on request.

Which documents come with Chlorthalidone?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Chlorthalidone to my country?

Yes. Because Chlorthalidone is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 77-36-1

Chlorthalidone USP

CAS: 77-36-1
Formula: C₁₄H₁₁ClN₂O₄S
MW: 338.8 g/mol

ZX-006464

More Chlorthalidone standards

More in Cardiovascular & Antihypertensive APIs

Chlortalidone EP Impurity H

CAS: 2200280-98-2
Formula: C₁₇H₁₇ClN₂O₄S
MW: 380.8 g/mol

ZX-005633

Chlorthalidone USP

CAS: 77-36-1
Formula: C₁₄H₁₁ClN₂O₄S
MW: 338.8 g/mol

ZX-006464

Chlorthalidone Ethyl Ether

CAS: 1369995-36-7
Formula: C₁₆H₁₅ClN₂O₄S
MW: 366.8 g/mol

ZX-012351

Chlorthalidone Methyl Ether

CAS: 96512-76-4
Formula: C₁₅H₁₃ClN₂O₄S
MW: 352.8 g/mol

ZX-012352

Chlorthalidone EP Impurity B

CAS: 5270-74-6
Formula: C₁₄H₁₀ClNO₅S
MW: 339.8 g/mol

ZX-020195

Chlortalidone EP Impurity E

CAS: 82875-49-8
Formula: C₁₄H₁₁ClN₂O₃S
MW: 322.8 g/mol

ZX-020196

Chlortalidone EP Impurity G

CAS: 16289-13-7
Formula: C₁₄H₉Cl₂NO₂
MW: 294.1 g/mol

ZX-020197

Chlorthalidone EP Impurity C

CAS: 92874-73-2
Formula: C₁₆H₁₄ClNO₅S
MW: 367.8 g/mol

ZX-020198

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