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.
78 products
![[reference-standards] Urapidil](https://www.alsachim.com/16795-list_image/Urapidil.jpg)
![[reference-standards] Sildenafil citrate salt](https://www.alsachim.com/14350-list_image/Sildenafil-citrate-salt.jpg)
Sildenafil citrate salt
Product Number: C2784
CAS number: 171599-83-0
Synonyms: 5-[2-Ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one 2-hydroxy-1,2,3-propanetricarboxylate
![[reference-standards] Bosentan sodium salt](https://www.alsachim.com/15315-list_image/Bosentan-sodium-salt.jpg)
![[metabolites] Hydroxybosentan](https://www.alsachim.com/15600-list_image/Hydroxybosentan.jpg)
Hydroxybosentan
Product Number: C3134
CAS number: 253688-60-7
Synonyms: Bosentan metabolite Ro 48-5033
![[metabolites] Desmethyl Bosentan](https://www.alsachim.com/18967-list_image/Desmethyl-Bosentan.jpg)
Desmethyl Bosentan
Product Number: C5474
CAS number: 253688-61-8
Synonyms: Bosentan metabolite Ro 47-8634
![[reference-standards] Bosentan](https://www.alsachim.com/17574-list_image/Bosentan.jpg)
![[reference-standards] Entecavir monohydrate](https://www.alsachim.com/15236-list_image/Entecavir-monohydrate.jpg)
![[reference-standards] Pimobendan](https://www.alsachim.com/16293-list_image/Pimobendan.jpg)
![[reference-standards] Eledoisin acetate salt](https://www.alsachim.com/20153-list_image/Eledoisin-acetate-salt.jpg)
![[reference-standards] Nafronyl](https://www.alsachim.com/20044-list_image/Nafronyl.jpg)
![[reference-standards] Tizoxanide](https://www.alsachim.com/19959-list_image/Tizoxanide.jpg)
![[metabolites] Tizoxanide glucuronide](https://www.alsachim.com/19961-list_image/Tizoxanide-glucuronide.jpg)
![[metabolites] 3,4-Dehydro-Cilostazol](https://www.alsachim.com/19937-list_image/3-4-Dehydro-Cilostazol.jpg)
![[reference-standards] Pibrentasvir](https://www.alsachim.com/19926-list_image/Pibrentasvir.jpg)
![[reference-standards] Glecaprevir](https://www.alsachim.com/19925-list_image/Glecaprevir.jpg)
![[reference-standards] Vincamine](https://www.alsachim.com/19728-list_image/Vincamine.jpg)
![[reference-standards] Telbivudine](https://www.alsachim.com/19714-list_image/Telbivudine.jpg)
Telbivudine
Product Number: C6995
CAS number: 3424-98-4
Synonyms: 2'-Deoxy-L-thymidine, Epavudine, L-Thymidine, Sebivo
![[metabolites] 5-Methylurapidil](https://www.alsachim.com/19633-list_image/5-Methylurapidil.jpg)
5-Methylurapidil
Product Number: C6736
CAS number: 34661-85-3
Synonyms: 5-Methyl-6[[3-[4-(2-methoxyphenyl)-1-piperazinyl]propyl]amino]-1,3-dimethyluracil
![[reference-standards] Narlaprevir](https://www.alsachim.com/19531-list_image/Narlaprevir.jpg)
![[reference-standards] GS-7171 fumarate salt](https://www.alsachim.com/19405-list_image/GS-7171-fumarate-salt.jpg)
GS-7171 fumarate salt
Product Number: C6138
CAS number: 390409-17-3
Synonyms: N-[[[(1R)-2-(6-Amino-9H-purin-9-yl)-1-methylethoxy]methyl]phenoxyphosphinyl]-1-methylethyl ester-L-alanine fumarate