API Process Intermediates & Related Compounds

2-Butyl-1,2-benzisothiazolin-3-one

Name: 2-Butyl-1,2-benzisothiazolin-3-one
Brand: Zemixal
SKU: ZX-043452

Available on request

2-Butyl-1,2-benzisothiazolin-3-one (CAS 4299-07-4) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes

2-Butyl-1,2-benzisothiazolin-3-one chemical structure

CAS number4299-07-4

FormulaC₁₁H₁₃NOS

Molar mass207.29 g/mol

Physical formSolid

HS code2933

InChIKeyLUYIHWDYPAZCNN-UHFFFAOYSA-N

IUPAC name2-butyl-1,2-benzothiazol-3-one

About 2-Butyl-1,2-benzisothiazolin-3-one

Zemixal supplies 2-Butyl-1,2-benzisothiazolin-3-one within its pharma Intermediates & Building Blocks portfolio. For your records, the material is defined by CAS 4299-07-4, formula C11H13NOS and molar mass 207.29 g/mol. It is handled as a solid.

Use cases we see most often

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Handling and storage

It carries the GHS signal word Danger (H314, H317, H400 and H410), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Ascorbic acid

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

Ascorbic acid standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 2-Butyl-1,2-benzisothiazolin-3-one
Product name	2-Butyl-1,2-benzisothiazolin-3-one
Catalogue number	ZX-043452
CAS number	4299-07-4
IUPAC name	2-butyl-1,2-benzothiazol-3-one
Molecular formula	C₁₁H₁₃NOS
Molar mass	207.29 g/mol
Exact mass	207.0718
Physical form	Solid
XLogP3	2.7
H-bond donors / acceptors	0 / 2
Topological polar surface area	45.6 Å²
HS code	2933
InChIKey	LUYIHWDYPAZCNN-UHFFFAOYSA-N
SMILES	CCCCN1C(=O)C2=CC=CC=C2S1
PubChem CID	9837171
Synonyms	1,2-Benzisothiazol-3(2H)-one, 2-butyl-, 2-Butyl-2,3-dihydrobenzisothiazol-3-one, n-butyl-1,2-benzisothiazolin-3-one, 2-Butyl-1,2-benzisothiazolin-3(2H)-one, 2-butylbenzo[d]isothiazol-3(2H)-one, 2-butyl-2,3-dihydro-1,2-benzothiazol-3-one, 2-N-Butyl-benzo(d)isothiazol-3-one, 2-Butyl-1,2-benzothiazol-3(2H)-one, 2-n-butyl-1,2-benzisothiazolin-3-one

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

Safety and GHS hazards

Corrosive

Irritant or harmful

Hazardous to the environment

Signal word Danger

H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements P260, P261, P264, P272, P273, P280, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P333 + P317, P362 + P364, P363, P391, 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 2-Butyl-1,2-benzisothiazolin-3-one
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	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 2-Butyl-1,2-benzisothiazolin-3-one

Which CAS number identifies 2-Butyl-1,2-benzisothiazolin-3-one?

2-Butyl-1,2-benzisothiazolin-3-one is registered under CAS 4299-07-4. You may also see it listed as 1,2-Benzisothiazol-3(2H)-one, 2-butyl-, 2-Butyl-2,3-dihydrobenzisothiazol-3-one, n-butyl-1,2-benzisothiazolin-3-one. Our catalogue number for this item is ZX-043452.

What are the formula and molar mass of 2-Butyl-1,2-benzisothiazolin-3-one?

For 2-Butyl-1,2-benzisothiazolin-3-one, its formula is C11H13NOS and its molar mass is 207.29 g/mol. The systematic (IUPAC) name is 2-butyl-1,2-benzothiazol-3-one. InChIKey LUYIHWDYPAZCNN-UHFFFAOYSA-N lets you match it in any structure database.

How is 2-Butyl-1,2-benzisothiazolin-3-one used in pharmaceutical QC?

2-Butyl-1,2-benzisothiazolin-3-one is a characterised reference material linked to Ascorbic acid. 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 2-Butyl-1,2-benzisothiazolin-3-one?

The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with 2-Butyl-1,2-benzisothiazolin-3-one?

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 2-Butyl-1,2-benzisothiazolin-3-one to my country?

Yes. Because 2-Butyl-1,2-benzisothiazolin-3-one 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.

More Ascorbic acid standards

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