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Pharmacopeial Impurities (EP / USP / BP)

Quetiapine EP Impurity I

Reference StandardIn stock

Quetiapine EP Impurity I (CAS 329216-67-3) supplier Zemixal: C19H21N3OS, COA and SDS with every lot, worldwide shipping.

Pack sizes
Quetiapine EP Impurity I chemical structure
CAS number329216-67-3
FormulaC19H21N3OS
Molar mass339.5 g/mol
Physical formSolid
HS code38229090
Purity97.15%
InChIKeyOFLMIXVKBNAUIB-UHFFFAOYSA-N
IUPAC name2-(4-benzo[b][1,4]benzothiazepin-6-ylpiperazin-1-yl)ethanol

About Quetiapine EP Impurity I

Quetiapine EP Impurity I belongs to the Quetiapine reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 329216-67-3, formula C19H21N3OS and molar mass 339.5 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 Danger (H302, H318, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg, 100 mg and 250 mg packs or ask for a bulk quotation. 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 Quetiapine

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

Quetiapine 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 Quetiapine EP Impurity I
Product nameQuetiapine EP Impurity I
Catalogue numberZX-005922
CAS number329216-67-3
IUPAC name2-(4-benzo[b][1,4]benzothiazepin-6-ylpiperazin-1-yl)ethanol
Molecular formulaC19H21N3OS
Molar mass339.5 g/mol
Exact mass339.1405
GradeReference Standard
Purity / assay97.15%
Physical formSolid
XLogP32.3
H-bond donors / acceptors1 / 4
Topological polar surface area64.4 Ų
HS code38229090
InChIKeyOFLMIXVKBNAUIB-UHFFFAOYSA-N
SMILESC1CN(CCN1CCO)C2=NC3=CC=CC=C3SC4=CC=CC=C42
PubChem CID10807021
SynonymsQuetiapine Hydroxy Impurity, 2-4-(2-Hydroxyethyl)piperazin-1-yldithiazepin, Des-hydroxyethyl Quetiapine, 4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazineethanol, 2-[4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl]ethanol, Quetiapine Desethanol, Quetiapine Fumarate Impurity A (IP), 2-(4-(Dibenzo(b,f)(1,4)thiazepin-11-yl)piperazin-1-yl) ethanol, 2-[4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl] ethanol, 4-Dibenzo(b,f)(1,4)thiazepin-11-yl-1-piperazineethanol, Quetiapine Hydroxy Impurity Dihydrochloride Salt, Quetiapine Impurity I

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

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H302Harmful if swallowed
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H336May cause drowsiness or dizziness

Precautionary statements P203, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P318, P319, P330, P337 + P317, 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 Quetiapine EP Impurity I
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 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 Quetiapine EP Impurity I

Which CAS number identifies Quetiapine EP Impurity I?
Quetiapine EP Impurity I is registered under CAS 329216-67-3. You may also see it listed as Quetiapine Hydroxy Impurity, 2-4-(2-Hydroxyethyl)piperazin-1-yldithiazepin, Des-hydroxyethyl Quetiapine. Our catalogue number for this item is ZX-005922.
What are the formula and molar mass of Quetiapine EP Impurity I?
For Quetiapine EP Impurity I, its formula is C19H21N3OS and its molar mass is 339.5 g/mol. The systematic (IUPAC) name is 2-(4-benzo[b][1,4]benzothiazepin-6-ylpiperazin-1-yl)ethanol. InChIKey OFLMIXVKBNAUIB-UHFFFAOYSA-N lets you match it in any structure database.
How is Quetiapine EP Impurity I used in pharmaceutical QC?
Quetiapine EP Impurity I is a characterised reference material linked to Quetiapine. 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 Quetiapine EP Impurity I?
This listing is Reference Standard grade with 97.15% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Quetiapine EP Impurity I?
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 Quetiapine EP Impurity I to my country?
Yes. Because Quetiapine EP Impurity I 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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