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API Process Intermediates & Related Compounds

Tert-Butyl Tosylate

Reference StandardIn stock

Order Tert-Butyl Tosylate (CAS 4664-57-7) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-012874.

Pack sizes
Tert-Butyl Tosylate chemical structure
CAS number4664-57-7
FormulaC11H16O3S
Molar mass228.31 g/mol
Physical formSolid
Purity95%
InChIKeyDLRDEMODNIPHMU-UHFFFAOYSA-N
IUPAC nametert-butyl 4-methylbenzenesulfonate

About Tert-Butyl Tosylate

Zemixal supplies Tert-Butyl Tosylate within its pharma Intermediates & Building Blocks portfolio. For your records (Reference Standard), the material is defined by CAS 4664-57-7, formula C11H16O3S and molar mass 228.31 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Storage and safety notes

No GHS classification is recorded for this item, but handle it with normal laboratory care.

Order it in 10 mg, 25 mg, 50 mg, 100 mg and 250 mg packs or ask for a bulk quotation. 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 Bortezomib

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

Bortezomib 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 Tert-Butyl Tosylate
Product nameTert-Butyl Tosylate
Catalogue numberZX-012874
CAS number4664-57-7
IUPAC nametert-butyl 4-methylbenzenesulfonate
Molecular formulaC11H16O3S
Molar mass228.31 g/mol
Exact mass228.082
GradeReference Standard
Purity / assay95%
Physical formSolid
XLogP32.6
H-bond donors / acceptors0 / 3
Topological polar surface area51.8 Ų
InChIKeyDLRDEMODNIPHMU-UHFFFAOYSA-N
SMILESCC1=CC=C(C=C1)S(=O)(=O)OC(C)(C)C
PubChem CID11009717
Synonyms1,1-Dimethylethyl 4-methylbenzenesulfonate, tert-Butyl p-toluenesulfonate, p-Toluenesulfonic acid tert-butyl ester, Benzenesulfonic acid, 4-methyl-, 1,1-dimethylethyl ester, tert-butyl 4-methylbenzene-1-sulfonate, tert-ButylTosylate, tert-Butyl-tosylat, synthesis-1-041

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Tert-Butyl Tosylate
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request

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

Questions about Tert-Butyl Tosylate

Which CAS number identifies Tert-Butyl Tosylate?
Tert-Butyl Tosylate is registered under CAS 4664-57-7. You may also see it listed as 1,1-Dimethylethyl 4-methylbenzenesulfonate, tert-Butyl p-toluenesulfonate, p-Toluenesulfonic acid tert-butyl ester. Our catalogue number for this item is ZX-012874.
What are the formula and molar mass of Tert-Butyl Tosylate?
For Tert-Butyl Tosylate, its formula is C11H16O3S and its molar mass is 228.31 g/mol. The systematic (IUPAC) name is tert-butyl 4-methylbenzenesulfonate. InChIKey DLRDEMODNIPHMU-UHFFFAOYSA-N lets you match it in any structure database.
How is Tert-Butyl Tosylate used in pharmaceutical QC?
Tert-Butyl Tosylate is a characterised reference material linked to Bortezomib. 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 Tert-Butyl Tosylate?
This listing is Reference Standard grade with 95% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Tert-Butyl Tosylate?
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 Tert-Butyl Tosylate to my country?
Yes. Tert-Butyl Tosylate ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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