Reference standards
The wide portfolio of Alsachim's reference standards covers a broad range of applications: pharmaceutical, environmental analysis, food and beverages, doping, toxicology and forensic analysis.
37 products
![[reference-standards] (R)-Doxazosin](https://www.alsachim.com/19509-list_image/-R-Doxazosin.jpg)
![[reference-standards] (R,S)-Reboxetine](https://www.alsachim.com/18654-list_image/-R-S-Reboxetine.jpg)
![[reference-standards] (S)-Doxazosin](https://www.alsachim.com/19510-list_image/-S-Doxazosin.jpg)
![[metabolites] (S,S)-Reboxetine Phenol A metabolite formate salt](https://www.alsachim.com/16340-list_image/-S-S-Reboxetine-Phenol-A-metabolite-formate-salt.jpg)
(S,S)-Reboxetine Phenol A metabolite formate salt
Product Number: C4808
CAS number: 252570-35-7 free base
![[metabolites] (S,S)-Reboxetine Phenol B metabolite formate salt](https://www.alsachim.com/16339-list_image/-S-S-Reboxetine-Phenol-B-metabolite-formate-salt.jpg)
(S,S)-Reboxetine Phenol B metabolite formate salt
Product Number: C4807
CAS number: 252570-33-5 free base
![[metabolites] 4'-Hydroxyphenylcarvedilol](https://www.alsachim.com/14983-list_image/4-Hydroxyphenylcarvedilol.jpg)
![[metabolites] 4-Hydroxymethylambrisentan](https://www.alsachim.com/15277-list_image/4-Hydroxymethylambrisentan.jpg)
![[metabolites] 5'-Hydroxyphenylcarvedilol](https://www.alsachim.com/15109-list_image/5-Hydroxyphenylcarvedilol.jpg)
5'-Hydroxyphenylcarvedilol
Product Number: C1644
CAS number: 142227-51-8
Synonyms: Carvedilol metabolite M5
![[reference-standards] Ambrisentan](https://www.alsachim.com/15237-list_image/Ambrisentan.jpg)
![[metabolites] Ambrisentan acyl-β-D-glucuronide](https://www.alsachim.com/15598-list_image/Ambrisentan-acyl-beta-D-glucuronide.jpg)
Ambrisentan acyl-β-D-glucuronide
Product Number: C3131
CAS number: 1106685-58-8
Synonyms: Ambrisentan acyl-beta-D-glucuronide
![[reference-standards] Darusentan](https://www.alsachim.com/17762-list_image/Darusentan.jpg)
![[metabolites] Despropyl Macitentan](https://www.alsachim.com/16444-list_image/Despropyl-Macitentan.jpg)
![[reference-standards] Doxazosin](https://www.alsachim.com/19511-list_image/Doxazosin.jpg)
![[reference-standards] Guanfacine](https://www.alsachim.com/14873-list_image/Guanfacine.jpg)
![[reference-standards] Labetalol hydrochloride salt](https://www.alsachim.com/18593-list_image/Labetalol-hydrochloride-salt.jpg)
![[reference-standards] Macitentan](https://www.alsachim.com/16387-list_image/Macitentan.jpg)
![[reference-standards] Mitiglinide](https://www.alsachim.com/17538-list_image/Mitiglinide.jpg)
![[reference-standards] N-(6-fluoro-1H-indazol-5-yl)-1,4,5,6-tetrahydro-2-methyl-6-oxo-4-[4-(trifluoromethyl)phenyl]-3-Pyridinecarboxamide](https://www.alsachim.com/17793-list_image/N-6-fluoro-1H-indazol-5-yl-1-4-5-6-tetrahydro-2-methyl-6-oxo-4-4-trifluoromethyl-phenyl-3-Pyridinecarboxamide.jpg)
N-(6-fluoro-1H-indazol-5-yl)-1,4,5,6-tetrahydro-2-methyl-6-oxo-4-3-Pyridinecarboxamide
Product Number: C2581
CAS number: 864082-47-3
Synonyms: GSK 42986
![[metabolites] N-desmethyl-Riociguat](https://www.alsachim.com/16446-list_image/N-desmethyl-Riociguat.jpg)
![[reference-standards] Nateglinide](https://www.alsachim.com/18272-list_image/Nateglinide.jpg)