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

Dosulepin EP Impurity D

Synonyms: Dibenzo(b,e)thiepin-delta(sup 11(6H)),gamma-propylamine, N,N-dimethyl-, 5,5-dioxide · 11-(3-Dimethylaminopropylidene)-6,11-dihydrodibenzo(b,e)thiepine-5,5-dioxide · Dothiepin-S,S-dioxide · (E)-3-(5,5-dioxo-5

CAS No.25846-81-5
FormulaC19H21NO2S
Mol. weight327.40
Catalogue No.VQ-048083
PurityReference Standard
HSN38229090

Dosulepin EP Impurity D (CAS 25846-81-5) – Dothiepin impurity standard. C19H21NO2S, MW 327.4. Supplied by Vaqora Chemicals with COA, exported worldwide.

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 Dosulepin EP Impurity D

Listed under CAS 25846-81-5, Dosulepin EP Impurity D is a pharmacopeial impurity of Dothiepin available from Vaqora Chemicals. With the molecular formula C19H21NO2S, it has a molar mass of 327.4 g/mol. Systematically, it is named (3E)-3-(5,5-dioxo-6H-benzo[c][1]benzothiepin-11-ylidene)-N,N-dimethylpropan-1-amine. It is also known as Dothiepin-S,S-dioxide.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

This Dothiepin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Dosulepin EP Impurity D is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Dothiepin

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

Dothiepin impurities

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Specifications & identifiers

Chemical identifiers
Product nameDosulepin EP Impurity D
Catalogue No.VQ-048083
CAS Number25846-81-5
IUPAC name(3E)-3-(5,5-dioxo-6H-benzo[c][1]benzothiepin-11-ylidene)-N,N-dimethylpropan-1-amine
Molecular formulaC19H21NO2S
Molecular weight327.4 g/mol
Exact mass327.1293
GradeReference Standard
HSN code38229090
InChIKeySDAOUNLJPTVJAJ-GZTJUZNOSA-N
SMILESCN(C)CC/C=C/1\C2=CC=CC=C2CS(=O)(=O)C3=CC=CC=C31
PubChem CID826585
Physical properties
Physical formSolid
LogP (XLogP3)2.9
H-bond donors / acceptors0 / 3
TPSA45.8 Ų
SynonymsDibenzo(b,e)thiepin-delta(sup 11(6H)),gamma-propylamine, N,N-dimethyl-, 5,5-dioxide, 11-(3-Dimethylaminopropylidene)-6,11-dihydrodibenzo(b,e)thiepine-5,5-dioxide, Dothiepin-S,S-dioxide, (E)-3-(5,5-dioxo-5, E6 -dibenzo[b,e]thiepin-11(6H)- ylidene)-N,N-dimethylpropan-1-amine, 1-Propanamine, 3-(5,5-dioxidodibenzo[b,e]thiepin-11(6H)-ylidene)-N,N-dimethyl-, (E)-, 1-Propanamine, 3-dibenzo[b,e]thiepin-11(6H)-ylidene-N,N-dimethyl-, S,S-dioxide, (E)-

Documents

Frequently asked questions

What is the CAS number of Dosulepin EP Impurity D?

The CAS Registry Number of Dosulepin EP Impurity D is 25846-81-5. It is also known as Dibenzo(b,e)thiepin-delta(sup 11(6H)),gamma-propylamine, N,N-dimethyl-, 5,5-dioxide, 11-(3-Dimethylaminopropylidene)-6,11-dihydrodibenzo(b,e)thiepine-5,5-dioxide, Dothiepin-S,S-dioxide.

What is the molecular formula and molecular weight of Dosulepin EP Impurity D?

Dosulepin EP Impurity D has the molecular formula C19H21NO2S and a molecular weight of 327.4 g/mol. Its IUPAC name is (3E)-3-(5,5-dioxo-6H-benzo[c][1]benzothiepin-11-ylidene)-N,N-dimethylpropan-1-amine.

What is Dosulepin EP Impurity D used for?

Dosulepin EP Impurity D is supplied as a characterised reference material related to Dothiepin. 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 Dosulepin EP Impurity D can I order?

We supply Dosulepin EP Impurity D 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 Dosulepin EP Impurity D?

Yes. Every lot of Dosulepin EP Impurity D 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 Dosulepin EP Impurity D be shipped internationally?

Yes. We export Dosulepin EP Impurity D 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
Dothiepin-d3 chemical structure
Dothiepin-d3
CAS
136765-31-6
Formula
C19H21NS
MW
298.5 g/mol
VQ-048084

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