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Y0000622

Terazosin impurity A

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

4-Amino-2-chloro-6,7-dimethoxyquinazoline, 2-Chloro-6,7-dimethoxy-4-quinazolinamine

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About This Item

Empirical Formula (Hill Notation):
C10H10ClN3O2
CAS Number:
23680-84-4
Molecular Weight:
239.66
Beilstein:
747463
MDL number:
MFCD00051734
UNSPSC Code:
41116107
PubChem Substance ID:
329831057
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

terazosin

manufacturer/tradename

EDQM

mp

262-268 °C (dec.) (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

COc1cc2nc(Cl)nc(N)c2cc1OC

InChI

1S/C10H10ClN3O2/c1-15-7-3-5-6(4-8(7)16-2)13-10(11)14-9(5)12/h3-4H,1-2H3,(H2,12,13,14)

InChI key

HWIIAAVGRHKSOJ-UHFFFAOYSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Terazosin impurity A EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

related product

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Description
Pricing

1643463

Terazosin Related Compound A, United States Pharmacopeia (USP) Reference Standard

1643474

Terazosin Related Compound B, United States Pharmacopeia (USP) Reference Standard

1643485

Terazosin Related Compound C, United States Pharmacopeia (USP) Reference Standard

Y0000621

Terazosin hydrochloride dihydrate, European Pharmacopoeia (EP) Reference Standard

Y0000665

Terazosin impurity E, European Pharmacopoeia (EP) Reference Standard

Y0000624

Terazosin impurity N, European Pharmacopoeia (EP) Reference Standard

1643452

Terazosin hydrochloride, United States Pharmacopeia (USP) Reference Standard

Y0000666

Terazosin for system suitability, CRS, European Pharmacopoeia (EP) Reference Standard

PHR1721

Terazosin Hydrochloride, Pharmaceutical Secondary Standard; Certified Reference Material

PHR3137

Terazosin Related Compound A, certified reference material, pharmaceutical secondary standard

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319 - H335

Precautionary Statements

P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(C)

Not applicable

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Lot/Batch Number

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