Tolterodine Lactone Impurity

Name: Tolterodine Lactone Impurity
Brand: Vaqora Chemicals
SKU: VQ-028444

About Tolterodine Lactone Impurity

Listed under CAS 40546-94-9, Tolterodine Lactone Impurity is an impurity of Tolterodine available from Vaqora Chemicals. The compound has the formula C16H14O2, corresponding to a molecular weight of 238.28 g/mol. Systematically, it is named 6-methyl-4-phenyl-3,4-dihydrochromen-2-one. Alternative names: Tolterodine Lactone Impurity Racemate and 6-methyl-4-phenylchroman-2-one.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This Tolterodine 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.

We offer Tolterodine Lactone Impurity in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Tolterodine

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

Tolterodine impurities

Specifications & identifiers

Chemical identifiers
Product name	Tolterodine Lactone Impurity
Catalogue No.	VQ-028444
CAS Number	40546-94-9
IUPAC name	6-methyl-4-phenyl-3,4-dihydrochromen-2-one
Molecular formula	C₁₆H₁₄O₂
Molecular weight	238.28 g/mol
Exact mass	238.0994
Grade	Reference Standard
HSN code	38229090
InChIKey	SUHIZPDCJOQZLN-UHFFFAOYSA-N
SMILES	CC1=CC2=C(C=C1)OC(=O)CC2C3=CC=CC=C3
PubChem CID	3791643

Physical properties
Physical form	Solid
LogP (XLogP3)	3.5
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	Tolterodine Lactone Impurity Racemate, 3,4-Dihydro-6-methyl-4-phenyl-2H-1-benzopyran-2-one, 6-methyl-4-phenylchroman-2-one, 6-Methyl-4-phenyl-2-chromanone, 6-Methyl-4-phenyl-chroman-2-one, rac-6-Methyl-4-phenylchroman-2-one, 3,4-Dihydro-6-methyl-4-phenylcoumarin, 2H-1-Benzopyran-2-one, 3,4-dihydro-6-methyl-4-phenyl-, 6-Methyl-4-phenyl-3,4-dihydrocoumarin, Tolterodine Impurity 18, 6-methyl-4-phenyl-3,4-dihydro-2H-1-benzopyran-2-one, Tolterodine Impurity 1

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H317May cause an allergic skin reaction
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P261, P272, P273, P280, P302 + P352, P321, P333 + P317, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Tolterodine Lactone Impurity?

The CAS Registry Number of Tolterodine Lactone Impurity is 40546-94-9. It is also known as Tolterodine Lactone Impurity Racemate, 3,4-Dihydro-6-methyl-4-phenyl-2H-1-benzopyran-2-one, 6-methyl-4-phenylchroman-2-one.

What is the molecular formula and molecular weight of Tolterodine Lactone Impurity?

Tolterodine Lactone Impurity has the molecular formula C16H14O2 and a molecular weight of 238.28 g/mol. Its IUPAC name is 6-methyl-4-phenyl-3,4-dihydrochromen-2-one.

What is Tolterodine Lactone Impurity used for?

Tolterodine Lactone Impurity is supplied as a characterised reference material related to Tolterodine. 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 Tolterodine Lactone Impurity can I order?

We supply Tolterodine Lactone Impurity 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 Tolterodine Lactone Impurity?

Yes. Every lot of Tolterodine Lactone Impurity 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 Tolterodine Lactone Impurity be shipped internationally?

Yes. Tolterodine Lactone Impurity is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.