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.
14 products
![[reference-standards] Doravirine](https://www.alsachim.com/16797-list_image/Doravirine.jpg)
![[reference-standards] Delavirdine](https://www.alsachim.com/15906-list_image/Delavirdine.jpg)
![[reference-standards] Efavirenz, racemic mixture](https://www.alsachim.com/14817-list_image/Efavirenz-racemic-mixture.jpg)
![[reference-standards] Tropatepine](https://www.alsachim.com/20252-list_image/Tropatepine.jpg)
![[reference-standards] (S)-(+)-Efavirenz](https://www.alsachim.com/15628-list_image/-S---Efavirenz.jpg)
![[reference-standards] Rilpivirine](https://www.alsachim.com/15407-list_image/Rilpivirine.jpg)
![[reference-standards] Atropine](https://www.alsachim.com/15233-list_image/Atropine.jpg)
![[metabolites] 8-Hydroxyefavirenz](https://www.alsachim.com/20132-list_image/8-Hydroxyefavirenz.jpg)
8-Hydroxyefavirenz
Product Number: C958
CAS number: 205754-33-2
Synonyms: P450 (CYP) metabolite, Phase I metabolite of efavirenz, CYP2B6 reference metabolite
![[reference-standards] Vitamine K2](https://www.alsachim.com/19349-list_image/Vitamine-K2.jpg)
![[reference-standards] Dapivirine](https://www.alsachim.com/18950-list_image/Dapivirine.jpg)
![[reference-standards] Vitamin K1](https://www.alsachim.com/18064-list_image/Vitamin-K1.jpg)
![[reference-standards] Biperiden hydrochloride salt](https://www.alsachim.com/16648-list_image/Biperiden-hydrochloride-salt.jpg)
Biperiden hydrochloride salt
Product Number: C5428
CAS number: 1235-82-1
Synonyms: Akinophyl, Akineton
![[reference-standards] Etravirine](https://www.alsachim.com/15339-list_image/Etravirine.jpg)
Etravirine
Product Number: C2354
CAS number: 269055-15-4
Synonyms: 4-[[6-Amino-5-bromo-2-[(4-cyanophenyl)amino]-4-pyrimidinyl]oxy]-3,5-dimethyl-benzonitrile
![[reference-standards] Nevirapine](https://www.alsachim.com/14317-list_image/Nevirapine.jpg)
Nevirapine
Product Number: C131
CAS number: 129618-40-2
Synonyms: 11-Cyclopropyl-5,11-dihydro-4-methyl-6H-dipyrido[3,2-b:2',3'-e][1,4]diazepin-6-one