4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride
- CAS
- 134749-43-2
- Formula
- C10H12ClN3O3
- MW
- 257.67 g/mol
ZX-029090
API Reference Standards
Doxazosin
Reference StandardAvailable on request
Doxazosin (CAS 74191-85-8) supplier Zemixal: C23H25N5O5, COA and SDS with every lot, worldwide shipping. Exported from India with full paperwork.
CAS number74191-85-8
FormulaC23H25N5O5
Molar mass451.5 g/mol
Physical formSolid
HS code38229090
InChIKeyRUZYUOTYCVRMRZ-UHFFFAOYSA-N
IUPAC name[4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(2,3-dihydro-1,4-benzodioxin-3-yl)methanone
About Doxazosin
Analytical teams working on Doxazosin use Doxazosin as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 74191-85-8, formula C23H25N5O5 and molar mass 451.5 g/mol. It is handled as a solid.
Where it is used
- Identification & assay
- Method development & validation
- QC reference material
Safe handling
Hazard communication follows GHS (Danger: H302, H314, H373 and H411). Our SDS lists exposure controls and first-aid measures.
Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Reference standards for Doxazosin
See every impurity, metabolite and related compound we list for this API.
Doxazosin standardsTypical uses
- Identification & assay
- Method development & validation
- QC reference material
Applications
Specifications and identifiers
| Product name | Doxazosin |
|---|---|
| Catalogue number | ZX-029091 |
| CAS number | 74191-85-8 |
| IUPAC name | [4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(2,3-dihydro-1,4-benzodioxin-3-yl)methanone |
| Molecular formula | C23H25N5O5 |
| Molar mass | 451.5 g/mol |
| Exact mass | 451.1856 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 2.5 |
| H-bond donors / acceptors | 1 / 9 |
| Topological polar surface area | 112 Ų |
| HS code | 38229090 |
| InChIKey | RUZYUOTYCVRMRZ-UHFFFAOYSA-N |
| SMILES | COC1=C(C=C2C(=C1)C(=NC(=N2)N3CCN(CC3)C(=O)C4COC5=CC=CC=C5O4)N)OC |
| PubChem CID | 3157 |
| Synonyms | Doxazosine, 1-(4-Amino-6,7-Dimethoxy-2-quinazolinyl)-4-(1,4-benzodioxan-2-ylcarbonyl)piperazin, ratio Doxazosin, ratio-Doxazosin, Doxazosin Wolff, Novo Doxazosin, Apo Doxazosin, Gen Doxazosin, Doxa Puren, MTW Doxazosin, Neo, Carduran, Doxazosin ratiopharm |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H373May causes damage to organs through prolonged or repeated exposure
- H411Toxic to aquatic life with long lasting effects
Precautionary statements P260, P264, P270, P273, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P319, P321, P330, P363, P391, 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
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Doxazosin
Which CAS number identifies Doxazosin?
Doxazosin is registered under CAS 74191-85-8. You may also see it listed as Doxazosine, 1-(4-Amino-6,7-Dimethoxy-2-quinazolinyl)-4-(1,4-benzodioxan-2-ylcarbonyl)piperazin, ratio Doxazosin. Our catalogue number for this item is ZX-029091.
What are the formula and molar mass of Doxazosin?
For Doxazosin, its formula is C23H25N5O5 and its molar mass is 451.5 g/mol. The systematic (IUPAC) name is [4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(2,3-dihydro-1,4-benzodioxin-3-yl)methanone. InChIKey RUZYUOTYCVRMRZ-UHFFFAOYSA-N lets you match it in any structure database.
How is Doxazosin used in pharmaceutical QC?
Doxazosin is a characterised reference material linked to Doxazosin. 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 Doxazosin?
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 Doxazosin?
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 Doxazosin to my country?
Yes. Because Doxazosin 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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