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API Process Intermediates & Related Compounds

3-Chloro-1,2-benzisothiazole

Reference StandardIn stock

3-Chloro-1,2-benzisothiazole (CAS 7716-66-7) supplier Zemixal: C7H4ClNS, COA and SDS with every lot, worldwide shipping.

Pack sizes
3-Chloro-1,2-benzisothiazole chemical structure
CAS number7716-66-7
FormulaC7H4ClNS
Molar mass169.63 g/mol
Physical formSolid
HS code2933
InChIKeyBCPVKLRBQLRWDQ-UHFFFAOYSA-N
IUPAC name3-chloro-1,2-benzothiazole

About 3-Chloro-1,2-benzisothiazole

Researchers and plant chemists source 3-Chloro-1,2-benzisothiazole from Zemixal for routine and specialised work. Key data (Reference Standard): CAS 7716-66-7, formula C7H4ClNS and molar mass 169.63 g/mol. It is handled as a solid.

Where it is used

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Handling and storage

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. 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 Lurasidone

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

Lurasidone standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 3-Chloro-1,2-benzisothiazole
Product name3-Chloro-1,2-benzisothiazole
Catalogue numberZX-012073
CAS number7716-66-7
IUPAC name3-chloro-1,2-benzothiazole
Molecular formulaC7H4ClNS
Molar mass169.63 g/mol
Exact mass168.9753
GradeReference Standard
Physical formSolid
XLogP33.3
H-bond donors / acceptors0 / 2
Topological polar surface area41.1 Ų
HS code2933
InChIKeyBCPVKLRBQLRWDQ-UHFFFAOYSA-N
SMILESC1=CC=C2C(=C1)C(=NS2)Cl
PubChem CID598190
Synonyms3-Chlorobenzo[d]isothiazole, 1,2-Benzisothiazole, 3-chloro-, 3-Chloro-benzo[d]isothiazole, 3-Chlorobenzo[d]isothia-zole, 3-Chloro-1,2-benzoisothiazole, 3-chloro-(1,2-benzisothiazole), 3-Chloro-1,2-benzisothiazole, 99%

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

Safety and GHS hazards

GHS07 Irritant or harmful
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 3-Chloro-1,2-benzisothiazole
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

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

Questions about 3-Chloro-1,2-benzisothiazole

Which CAS number identifies 3-Chloro-1,2-benzisothiazole?
3-Chloro-1,2-benzisothiazole is registered under CAS 7716-66-7. You may also see it listed as 3-Chlorobenzo[d]isothiazole, 1,2-Benzisothiazole, 3-chloro-, 3-Chloro-benzo[d]isothiazole. Our catalogue number for this item is ZX-012073.
What are the formula and molar mass of 3-Chloro-1,2-benzisothiazole?
For 3-Chloro-1,2-benzisothiazole, its formula is C7H4ClNS and its molar mass is 169.63 g/mol. The systematic (IUPAC) name is 3-chloro-1,2-benzothiazole. InChIKey BCPVKLRBQLRWDQ-UHFFFAOYSA-N lets you match it in any structure database.
How is 3-Chloro-1,2-benzisothiazole used in pharmaceutical QC?
3-Chloro-1,2-benzisothiazole is a characterised reference material linked to Lurasidone. 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 3-Chloro-1,2-benzisothiazole?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 3-Chloro-1,2-benzisothiazole?
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 3-Chloro-1,2-benzisothiazole to my country?
Yes. Because 3-Chloro-1,2-benzisothiazole 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.

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