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.
59 products
![[reference-standards] Fipamezole](https://www.alsachim.com/17760-list_image/Fipamezole.jpg)
![[reference-standards] Safinamide](https://www.alsachim.com/17759-list_image/Safinamide.jpg)
![[reference-standards] Tropatepine](https://www.alsachim.com/20252-list_image/Tropatepine.jpg)
![[reference-standards] Entecavir monohydrate](https://www.alsachim.com/15236-list_image/Entecavir-monohydrate.jpg)
![[reference-standards] Atropine](https://www.alsachim.com/15233-list_image/Atropine.jpg)
![[reference-standards] (S)-Pramipexole dihydrochloride salt](https://www.alsachim.com/20090-list_image/-S-Pramipexole-dihydrochloride-salt.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)
![[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] L-DOPA](https://www.alsachim.com/19897-list_image/L-DOPA.jpg)
![[reference-standards] Brexpiprazole](https://www.alsachim.com/19819-list_image/Brexpiprazole.jpg)
![[reference-standards] Benztropine mesylate salt](https://www.alsachim.com/19732-list_image/Benztropine-mesylate-salt.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
![[reference-standards] Tolcapone](https://www.alsachim.com/19571-list_image/Tolcapone.jpg)
![[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
![[reference-standards] GS-7171](https://www.alsachim.com/19391-list_image/GS-7171.jpg)
![[metabolites] 3,4-Dihydroxyphenylacetic acid](https://www.alsachim.com/14294-list_image/3-4-Dihydroxyphenylacetic-acid.jpg)
3,4-Dihydroxyphenylacetic acid
Product Number: C10469
CAS number: 102-32-9
Synonyms: DOPAC, Homoprotocatechuic acid
![[reference-standards] SEA-0400](https://www.alsachim.com/19350-list_image/SEA-0400.jpg)