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.
71 products
![[metabolites] Prosulfocarb sulfoxide](https://www.alsachim.com/21144-list_image/Prosulfocarb-sulfoxide.jpg)
![[reference-standards] Prosulfocarb](https://www.alsachim.com/21142-list_image/Prosulfocarb.jpg)
![[reference-standards] Verapamil hydrochloride salt](https://www.alsachim.com/16307-list_image/Verapamil-hydrochloride-salt.jpg)
![[reference-standards] Cilnidipine](https://www.alsachim.com/18705-list_image/Cilnidipine.jpg)
![[reference-standards] Riociguat](https://www.alsachim.com/16386-list_image/Riociguat.jpg)
![[reference-standards] Isoproturon](https://www.alsachim.com/19991-list_image/Isoproturon.jpg)
Isoproturon
Product Number: C7735
CAS number: 34123-59-6 unlabeled
Synonyms: 3-(4-Isopropylphenyl)-1,1-dimethylurea
![[reference-standards] Ambrisentan](https://www.alsachim.com/15237-list_image/Ambrisentan.jpg)
![[reference-standards] Chlortoluron carboxylic analog 2](https://www.alsachim.com/20253-list_image/Chlortoluron-carboxylic-analog-2.jpg)
![[reference-standards] Terazosin hydrochloride salt](https://www.alsachim.com/20204-list_image/Terazosin-hydrochloride-salt.jpg)
Terazosin hydrochloride salt
Product Number: C7012
CAS number: 63074-08-8
Synonyms: Abbott 45975, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]piperazine hydrochloride
![[reference-standards] Travoprost acid](https://www.alsachim.com/20235-list_image/Travoprost-acid.jpg)
![[reference-standards] Selexipag active metabolite](https://www.alsachim.com/20218-list_image/Selexipag-active-metabolite.jpg)
![[metabolites] 4'-Hydroxyphenylcarvedilol](https://www.alsachim.com/14983-list_image/4-Hydroxyphenylcarvedilol.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
![[metabolites] Amlodipine metabolite](https://www.alsachim.com/14992-list_image/Amlodipine-metabolite.jpg)
Amlodipine metabolite
Product Number: C1428
CAS number: 113994-45-9
Synonyms: 2-[(Carboxymethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-3,5-pyridinedicarboxylic acid 3-ethyl 5-methyl ester
![[reference-standards] Amlodipine besylate salt, racemic mixture](https://www.alsachim.com/15114-list_image/Amlodipine-besylate-salt-racemic-mixture.jpg)
Amlodipine besylate salt, racemic mixture
Product Number: C2684
CAS number: 111470-99-6
Synonyms: Amlodipine benzenesulfonate salt, racemic mixture
![[metabolites] Amlodipine carboxylic acid](https://www.alsachim.com/17610-list_image/Amlodipine-carboxylic-acid.jpg)
![[reference-standards] Amlodipine, racemic mixture](https://www.alsachim.com/15122-list_image/Amlodipine-racemic-mixture.jpg)
![[metabolites] 4-Hydroxymethylambrisentan](https://www.alsachim.com/15277-list_image/4-Hydroxymethylambrisentan.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] AMPA](https://www.alsachim.com/17363-list_image/AMPA.jpg)