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API ImpuritiesReference StandardAvailable on request

3,4-Dihydro-4-phenyl-2H-benzo[h]chromene

Synonyms: 3,4-Dihydro-4-phenyl-2H-naphtho[1,2-b]pyran

CAS No.94305-25-6
FormulaC19H16O
Mol. weight260.30
Catalogue No.VQ-030032
PurityReference Standard
HSN38229090

3,4-Dihydro-4-phenyl-2H-benzo[h]chromene (CAS 94305-25-6) – Dapoxetine impurity standard. C19H16O, MW 260.3. Vaqora Chemicals: COA, global shipping.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
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16-section GHS SDS
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About 3,4-Dihydro-4-phenyl-2H-benzo[h]chromene

Listed under CAS 94305-25-6, 3,4-Dihydro-4-phenyl-2H-benzo[h]chromene is an impurity of Dapoxetine available from Vaqora Chemicals. Formula C19H16O, molecular weight 260.3 g/mol. The IUPAC name is 4-phenyl-3,4-dihydro-2H-benzo[h]chromene. Alternative names: 3,4-Dihydro-4-phenyl-2H-naphtho[1,2-b]pyran.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Dapoxetine, 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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 3,4-Dihydro-4-phenyl-2H-benzo[h]chromene is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Dapoxetine

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

Dapoxetine impurities

Specifications & identifiers

Chemical identifiers
Product name3,4-Dihydro-4-phenyl-2H-benzo[h]chromene
Catalogue No.VQ-030032
CAS Number94305-25-6
IUPAC name4-phenyl-3,4-dihydro-2H-benzo[h]chromene
Molecular formulaC19H16O
Molecular weight260.3 g/mol
Exact mass260.1201
GradeReference Standard
HSN code38229090
InChIKeyMRZWVOLRBCTKHE-UHFFFAOYSA-N
SMILESC1COC2=C(C1C3=CC=CC=C3)C=CC4=CC=CC=C42
PubChem CID71599787
Physical properties
Physical formSolid
LogP (XLogP3)5
H-bond donors / acceptors0 / 1
TPSA9.2 Ų

Documents

Frequently asked questions

What is the CAS number of 3,4-Dihydro-4-phenyl-2H-benzo[h]chromene?

The CAS Registry Number of 3,4-Dihydro-4-phenyl-2H-benzo[h]chromene is 94305-25-6. It is also known as 3,4-Dihydro-4-phenyl-2H-naphtho[1,2-b]pyran.

What is the molecular formula and molecular weight of 3,4-Dihydro-4-phenyl-2H-benzo[h]chromene?

3,4-Dihydro-4-phenyl-2H-benzo[h]chromene has the molecular formula C19H16O and a molecular weight of 260.3 g/mol. Its IUPAC name is 4-phenyl-3,4-dihydro-2H-benzo[h]chromene.

What is 3,4-Dihydro-4-phenyl-2H-benzo[h]chromene used for?

3,4-Dihydro-4-phenyl-2H-benzo[h]chromene is supplied as a characterised reference material related to Dapoxetine. 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 3,4-Dihydro-4-phenyl-2H-benzo[h]chromene can I order?

We supply 3,4-Dihydro-4-phenyl-2H-benzo[h]chromene 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 3,4-Dihydro-4-phenyl-2H-benzo[h]chromene?

Yes. Every lot of 3,4-Dihydro-4-phenyl-2H-benzo[h]chromene 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 3,4-Dihydro-4-phenyl-2H-benzo[h]chromene be shipped internationally?

Yes. We export 3,4-Dihydro-4-phenyl-2H-benzo[h]chromene worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

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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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Related products

Reference Standard
Racemic Dapoxetine chemical structure
Racemic Dapoxetine
CAS
119356-76-2
Formula
C21H23NO
MW
305.4 g/mol
VQ-030031

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