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API ImpuritiesReference StandardAvailable on request

4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride

Synonyms: 2(1H)-Quinazolinone, 4-amino-6,7-dimethoxy-, monohydrochloride · 6,7-Dimethoxy-4-amino-2-quinazolinone hydrochloride · 4-Amino-6,7-dimethoxy-2(1H)-quinazolinone monohydrochloride · 4-amino-6,7-dimethoxy-1H-quinazolin-2-one hydrochloride

CAS No.134749-43-2
FormulaC10H12ClN3O3
Mol. weight257.67
Catalogue No.VQ-030298
PurityReference Standard
HSN38229090

4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride (CAS 134749-43-2) – Doxazosin impurity standard. C10H12ClN3O3, MW 257.67. With COA, ships worldwide.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride

Vaqora Chemicals supplies 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride, an impurity of Doxazosin registered under CAS number 134749-43-2. Its molecular formula is C10H12ClN3O3 and its molecular weight is 257.67 g/mol.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Doxazosin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Industries

Related to Doxazosin

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

Doxazosin impurities

Specifications & identifiers

Chemical identifiers
Product name4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride
Catalogue No.VQ-030298
CAS Number134749-43-2
IUPAC name4-amino-6,7-dimethoxy-1H-quinazolin-2-one;hydrochloride
Molecular formulaC10H12ClN3O3
Molecular weight257.67 g/mol
Exact mass257.0567
GradeReference Standard
HSN code38229090
InChIKeyDRRJLUGFNPKNAP-UHFFFAOYSA-N
SMILESCOC1=C(C=C2C(=C1)C(=NC(=O)N2)N)OC.Cl
PubChem CID63329
Physical properties
Physical formSolid
H-bond donors / acceptors3 / 3
TPSA85.9 Ų
Synonyms2(1H)-Quinazolinone, 4-amino-6,7-dimethoxy-, monohydrochloride, 6,7-Dimethoxy-4-amino-2-quinazolinone hydrochloride, 4-Amino-6,7-dimethoxy-2(1H)-quinazolinone monohydrochloride, 4-amino-6,7-dimethoxy-1H-quinazolin-2-one hydrochloride, 2-Hydroxy-4-amino-6,7-dimethoxy quinazolin Hydrochloride, 4-Amino-6,7-dimethoxy-1,2-dihydroquinazolin-2-one Hydrochloride, 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one--hydrogen chloride (1/1)

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant

Signal word: Warning

Hazard statements

  • H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

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

Documents

Frequently asked questions

What is the CAS number of 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride?

The CAS Registry Number of 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride is 134749-43-2. It is also known as 2(1H)-Quinazolinone, 4-amino-6,7-dimethoxy-, monohydrochloride, 6,7-Dimethoxy-4-amino-2-quinazolinone hydrochloride, 4-Amino-6,7-dimethoxy-2(1H)-quinazolinone monohydrochloride.

What is the molecular formula and molecular weight of 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride?

4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride has the molecular formula C10H12ClN3O3 and a molecular weight of 257.67 g/mol.

What is 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride used for?

4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride is supplied as a characterised reference material related to Doxazosin. 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 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride can I order?

We supply 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride 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 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride?

Yes. Every lot of 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride 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 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride be shipped internationally?

Yes. 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride 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.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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