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Pharmacopeial Impurities (EP / USP / BP)

Dosulepin EP Impurity B

Reference StandardAvailable on request

Buy Dosulepin EP Impurity B (CAS 1531-77-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Quotes within one business day.

Pack sizes
Dosulepin EP Impurity B chemical structure
CAS number1531-77-7
FormulaC14H10OS
Molar mass226.3 g/mol
Physical formSolid
HS code38229090
InChIKeyJGJDEWXZEIHBNW-UHFFFAOYSA-N
IUPAC name6H-benzo[c][1]benzothiepin-11-one

About Dosulepin EP Impurity B

Zemixal lists Dosulepin EP Impurity B for laboratories that identify, quantify or control Dosulepin and its related substances. Identity at a glance (Reference Standard): CAS 1531-77-7, formula C14H10OS and molar mass 226.3 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Dosulepin

See every impurity, metabolite and related compound we list for this API.

Dosulepin standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Dosulepin EP Impurity B
Product nameDosulepin EP Impurity B
Catalogue numberZX-024350
CAS number1531-77-7
IUPAC name6H-benzo[c][1]benzothiepin-11-one
Molecular formulaC14H10OS
Molar mass226.3 g/mol
Exact mass226.0452
GradeReference Standard
Physical formSolid
XLogP33.5
H-bond donors / acceptors0 / 2
Topological polar surface area42.4 Ų
HS code38229090
InChIKeyJGJDEWXZEIHBNW-UHFFFAOYSA-N
SMILESC1C2=CC=CC=C2C(=O)C3=CC=CC=C3S1
PubChem CID73741
SynonymsDosulepin Impurity B, Dosulepin Hydrochloride - Impurity B, Dibenzo[b,e]thiepin-11(6H)-one, Dibenzo(b,e)thiepin-11(6H)-one, 6,11-Dihydrodibenzo[b,e]thiepin-11-one, Homothioxanthone, 6,11-Dihydrodibenzo(b,e)thiepin-11-one, Dibenz[b,e]thiepin-11(6H)-one, 1-Oxo-6,11-dihydrodibenzo[b,e]thiepin, Baloxavir impurity C050, 6,11-Dihydrodibenzo[b,e]thiep, 6H-dibenzo[c,f]thiepan-11-one

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Dosulepin EP Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Dosulepin EP Impurity B

Which CAS number identifies Dosulepin EP Impurity B?
Dosulepin EP Impurity B is registered under CAS 1531-77-7. You may also see it listed as Dosulepin Impurity B, Dosulepin Hydrochloride - Impurity B, Dibenzo[b,e]thiepin-11(6H)-one. Our catalogue number for this item is ZX-024350.
What are the formula and molar mass of Dosulepin EP Impurity B?
For Dosulepin EP Impurity B, its formula is C14H10OS and its molar mass is 226.3 g/mol. The systematic (IUPAC) name is 6H-benzo[c][1]benzothiepin-11-one. InChIKey JGJDEWXZEIHBNW-UHFFFAOYSA-N lets you match it in any structure database.
How is Dosulepin EP Impurity B used in pharmaceutical QC?
Dosulepin EP Impurity B is a characterised reference material linked to Dosulepin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Dosulepin EP Impurity B?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Dosulepin EP Impurity B?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Dosulepin EP Impurity B to my country?
Yes. Because Dosulepin EP Impurity B is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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