Terazosin EP Impurity K

Name: Terazosin EP Impurity K
Brand: Vaqora Chemicals
SKU: VQ-027585

About Terazosin EP Impurity K

Vaqora Chemicals supplies Terazosin EP Impurity K, a pharmacopeial impurity of Prazosin registered under CAS number 19237-84-4. Its molecular formula is C19H22ClN5O4 and its molecular weight is 419.9 g/mol. It is also known as Prazosin Hydrochloride or Terazosin Hydrochloride EP Impurity K.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This Prazosin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Prazosin

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

Prazosin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Terazosin EP Impurity K
Catalogue No.	VQ-027585
CAS Number	19237-84-4
IUPAC name	[4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(furan-2-yl)methanone;hydrochloride
Molecular formula	C₁₉H₂₂ClN₅O₄
Molecular weight	419.9 g/mol
Exact mass	419.136
Grade	Reference Standard
HSN code	38229090
InChIKey	WFXFYZULCQKPIP-UHFFFAOYSA-N
SMILES	COC1=C(C=C2C(=C1)C(=NC(=N2)N3CCN(CC3)C(=O)C4=CC=CO4)N)OC.Cl
PubChem CID	68546

Physical properties
Physical form	Solid
H-bond donors / acceptors	2 / 8
TPSA	107 Å²
Synonyms	Prazosin 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

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Terazosin EP Impurity K?

The CAS Registry Number of Terazosin EP Impurity K is 19237-84-4. It is also known as Prazosin Hydrochloride, Terazosin Hydrochloride EP Impurity K, Terazosin EP Impurity K (HCl Salt).

What is the molecular formula and molecular weight of Terazosin EP Impurity K?

Terazosin EP Impurity K has the molecular formula C19H22ClN5O4 and a molecular weight of 419.9 g/mol.

What is Terazosin EP Impurity K used for?

Terazosin EP Impurity K is supplied as a characterised reference material related to Prazosin. 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 Terazosin EP Impurity K can I order?

We supply Terazosin EP Impurity K 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 Terazosin EP Impurity K?

Yes. Every lot of Terazosin EP Impurity K 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 Terazosin EP Impurity K be shipped internationally?

Yes. Terazosin EP Impurity K is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.