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VAQORACHEMICALS
Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Dimenhydrinate EP Impurity K

Synonyms: Bis(Diphenylmethyl) ether · Dimenhydrinate - Impurity K · Dimenhydrinate Impurity K · Ebastine EP Impurity H

CAS No.574-42-5
FormulaC26H22O
Mol. weight350.50
Catalogue No.VQ-022390
PurityReference Standard
HSN38229090

Dimenhydrinate EP Impurity K (CAS 574-42-5) – Modafinil impurity standard. C26H22O, MW 350.5. From Vaqora Chemicals, with COA and worldwide delivery.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Dimenhydrinate EP Impurity K

Dimenhydrinate EP Impurity K is a pharmacopeial impurity of Modafinil carrying the CAS registry number 574-42-5. With the molecular formula C26H22O, it has a molar mass of 350.5 g/mol. Systematically, it is named [benzhydryloxy(phenyl)methyl]benzene. Common synonyms include Bis(Diphenylmethyl) ether and Dimenhydrinate - Impurity K.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Modafinil, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Dimenhydrinate EP Impurity K in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Industries

Related to Modafinil

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

Modafinil impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameDimenhydrinate EP Impurity K
Catalogue No.VQ-022390
CAS Number574-42-5
IUPAC name[benzhydryloxy(phenyl)methyl]benzene
Molecular formulaC26H22O
Molecular weight350.5 g/mol
Exact mass350.1671
GradeReference Standard
HSN code38229090
InChIKeyPVQATPQSBYNMGE-UHFFFAOYSA-N
SMILESC1=CC=C(C=C1)C(C2=CC=CC=C2)OC(C3=CC=CC=C3)C4=CC=CC=C4
PubChem CID11323
Physical properties
Physical formSolid
LogP (XLogP3)6.5
H-bond donors / acceptors0 / 1
TPSA9.2 Ų
SynonymsBis(Diphenylmethyl) ether, Dimenhydrinate - Impurity K, Dimenhydrinate Impurity K, Ebastine EP Impurity H, Diphenhydramine Impurity K, Ebastine - Impurity H, Dibenzhydryl ether, Diphenylmethyl ether, (1,1,3,3-Tetraphenyl)methyl ether, [(Benzhydryloxy)(phenyl)methyl]benzene, Benzhydrol ether, Benzhydryl ether

Safety & hazard information (GHS)

GHS09 Environmental hazard
Environmental hazard

Signal word: Warning

Hazard statements

  • H400Very toxic to aquatic life

Precautionary statements: P273, P391, P501

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

Documents

Frequently asked questions

What is the CAS number of Dimenhydrinate EP Impurity K?

The CAS Registry Number of Dimenhydrinate EP Impurity K is 574-42-5. It is also known as Bis(Diphenylmethyl) ether, Dimenhydrinate - Impurity K, Dimenhydrinate Impurity K.

What is the molecular formula and molecular weight of Dimenhydrinate EP Impurity K?

Dimenhydrinate EP Impurity K has the molecular formula C26H22O and a molecular weight of 350.5 g/mol. Its IUPAC name is [benzhydryloxy(phenyl)methyl]benzene.

What is Dimenhydrinate EP Impurity K used for?

Dimenhydrinate EP Impurity K is supplied as a characterised reference material related to Modafinil. 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 Dimenhydrinate EP Impurity K can I order?

We supply Dimenhydrinate EP Impurity K 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 Dimenhydrinate EP Impurity K?

Yes. Every lot of Dimenhydrinate EP Impurity K 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 Dimenhydrinate EP Impurity K be shipped internationally?

Yes. Dimenhydrinate EP Impurity K 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.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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