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Pharmacopeial Impurities (EP / USP / BP)

Terazosin EP Impurity K

Reference StandardAvailable on request

Order Terazosin EP Impurity K (CAS 19237-84-4) online at Zemixal: C19H22ClN5O4, COA and SDS with every lot, worldwide shipping.

Pack sizes
Terazosin EP Impurity K chemical structure
CAS number19237-84-4
FormulaC19H22ClN5O4
Molar mass419.9 g/mol
Physical formSolid
HS code38229090
InChIKeyWFXFYZULCQKPIP-UHFFFAOYSA-N
IUPAC name[4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(furan-2-yl)methanone;hydrochloride

About Terazosin EP Impurity K

Terazosin EP Impurity K is supplied by Zemixal as a characterised reference material for Prazosin analysis. Key data (Reference Standard): CAS 19237-84-4, formula C19H22ClN5O4 and molar mass 419.9 g/mol. It is handled as a solid.

Typical applications

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

Handling and storage

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H335. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Prazosin

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

Prazosin 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 Terazosin EP Impurity K
Product nameTerazosin EP Impurity K
Catalogue numberZX-026494
CAS number19237-84-4
IUPAC name[4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(furan-2-yl)methanone;hydrochloride
Molecular formulaC19H22ClN5O4
Molar mass419.9 g/mol
Exact mass419.136
GradeReference Standard
Physical formSolid
H-bond donors / acceptors2 / 8
Topological polar surface area107 Ų
HS code38229090
InChIKeyWFXFYZULCQKPIP-UHFFFAOYSA-N
SMILESCOC1=C(C=C2C(=C1)C(=NC(=N2)N3CCN(CC3)C(=O)C4=CC=CO4)N)OC.Cl
PubChem CID68546
SynonymsPrazosin Hydrochloride, Terazosin Hydrochloride EP Impurity K, Terazosin EP Impurity K (HCl Salt), Terazosin - Impurity K, Prazosin HCl, Minipress Xl, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furanylcarbonyl)piperazine hydrochloride, Prazosin clorhidrato, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furoyl)piperazine monohydrochloride, 2-(4-(2-Furoyl)piperazin-1-yl)-4-amino-6,7-dimethoxyquinazoline hydrochloride, 2-[4-(2-Furoyl)piperazin-1-yl]-4-amino-6,7-dimethoxyquinazoline hydrochloride, Alpress LP

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
GHS08 Health hazard
Health hazard

Signal word Warning

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H361Suspected of damaging fertility or the unborn child
  • H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements P203, P260, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, 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 Terazosin EP Impurity K
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 Terazosin EP Impurity K

Which CAS number identifies Terazosin EP Impurity K?
Terazosin EP Impurity K is registered under CAS 19237-84-4. You may also see it listed as Prazosin Hydrochloride, Terazosin Hydrochloride EP Impurity K, Terazosin EP Impurity K (HCl Salt). Our catalogue number for this item is ZX-026494.
What are the formula and molar mass of Terazosin EP Impurity K?
For Terazosin EP Impurity K, its formula is C19H22ClN5O4 and its molar mass is 419.9 g/mol. InChIKey WFXFYZULCQKPIP-UHFFFAOYSA-N lets you match it in any structure database.
How is Terazosin EP Impurity K used in pharmaceutical QC?
Terazosin EP Impurity K is a characterised reference material linked to Prazosin. 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 Terazosin EP Impurity K?
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 Terazosin EP Impurity K?
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 Terazosin EP Impurity K to my country?
Yes. Because Terazosin EP Impurity K 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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