(S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesul… 133034-01-2

Name: (S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate
Brand: Vaqora Chemicals
SKU: VQ-050258

About (S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate

(S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate is an impurity of Darifenacin carrying the CAS registry number 133034-01-2. With the molecular formula C18H21NO5S2, it has a molar mass of 395.5 g/mol. Systematically, it is named [(3S)-1-(4-methylphenyl)sulfonylpyrrolidin-3-yl] 4-methylbenzenesulfonate. Alternative names: Darifenacin KSM-II B Precursor and Darifenacin Monomer.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Darifenacin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies (S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Darifenacin

View every impurity, metabolite and intermediate we list for Darifenacin.

Darifenacin impurities

Specifications & identifiers

Chemical identifiers
Product name	(S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate
Catalogue No.	VQ-050258
CAS Number	133034-01-2
IUPAC name	[(3S)-1-(4-methylphenyl)sulfonylpyrrolidin-3-yl] 4-methylbenzenesulfonate
Molecular formula	C₁₈H₂₁NO₅S₂
Molecular weight	395.5 g/mol
Exact mass	395.0861
Grade	Reference Standard
HSN code	38229090
InChIKey	YLPLVVAXXZWTIR-INIZCTEOSA-N
SMILES	CC1=CC=C(C=C1)S(=O)(=O)N2CC[C@@H](C2)OS(=O)(=O)C3=CC=C(C=C3)C
PubChem CID	44248020

Physical properties
Physical form	Solid
LogP (XLogP3)	3
H-bond donors / acceptors	0 / 6
TPSA	97.5 Å²
Synonyms	Darifenacin KSM-II B Precursor, 3-Pyrrolidinol, 1-[(4-methylphenyl)sulfonyl]-, 3-(4-methylbenzenesulfonate), (3S)-, 3-Pyrrolidinol, 1-((4-methylphenyl)sulfonyl)-, 3-(4-methylbenzenesulfonate), (3S)-, (3S)-1-(4-methylbenzenesulfonyl)pyrrolidin-3-yl 4-methylbenzene-1-sulfonate, Darifenacin Monomer, CS-M0899, (S)-Toluene-4-sulfonic acid 1-(toluene-4-sulfonyl)-pyrrolidin-3-yl ester, 1-tosyl-3-(S)-(-)tosyloxypyrrolidine, 1-tosyl-3-(S)-(-)-tosyloxypyrrolidine, 1(S)-1-tosylpyrrolidin-3-yl 4-methylbenzenesulfonate, [(3S)-1-(p-tolylsulfonyl)pyrrolidin-3-yl] 4-methylbenzenesulfonate

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of (S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate?

The CAS Registry Number of (S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate is 133034-01-2. It is also known as Darifenacin KSM-II B Precursor, 3-Pyrrolidinol, 1-[(4-methylphenyl)sulfonyl]-, 3-(4-methylbenzenesulfonate), (3S)-, 3-Pyrrolidinol, 1-((4-methylphenyl)sulfonyl)-, 3-(4-methylbenzenesulfonate), (3S)-.

What is the molecular formula and molecular weight of (S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate?

(S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate has the molecular formula C18H21NO5S2 and a molecular weight of 395.5 g/mol. Its IUPAC name is [(3S)-1-(4-methylphenyl)sulfonylpyrrolidin-3-yl] 4-methylbenzenesulfonate.

What is (S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate used for?

(S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate is supplied as a characterised reference material related to Darifenacin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of (S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate can I order?

We supply (S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with (S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate?

Yes. Every lot of (S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can (S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate be shipped internationally?

Yes. We export (S)-1-Tosylpyrrolidin-3-yl 4-methylbenzenesulfonate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.