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.
18 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] Sultiame](https://www.alsachim.com/20261-list_image/Sultiame.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)
![[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] Sulfadiazine](https://www.alsachim.com/19599-list_image/Sulfadiazine.jpg)
![[reference-standards] Dapivirine](https://www.alsachim.com/18950-list_image/Dapivirine.jpg)
![[reference-standards] Sulfamethazine](https://www.alsachim.com/18797-list_image/Sulfamethazine.jpg)
![[reference-standards] Dapsone hydroxylamine](https://www.alsachim.com/18794-list_image/Dapsone-hydroxylamine.jpg)
![[reference-standards] Sulfadimerazine](https://www.alsachim.com/18149-list_image/Sulfadimerazine.jpg)
![[reference-standards] Sulfadoxine](https://www.alsachim.com/17666-list_image/Sulfadoxine.jpg)
![[reference-standards] Trimethoprim](https://www.alsachim.com/16904-list_image/Trimethoprim.jpg)
![[metabolites] Sulfamethoxazole hydroxylamine](https://www.alsachim.com/16009-list_image/Sulfamethoxazole-hydroxylamine.jpg)
![[reference-standards] Sulfamethoxazole](https://www.alsachim.com/16000-list_image/Sulfamethoxazole.jpg)
Sulfamethoxazole
Product Number: C3963
CAS number: 723-46-6
Synonyms: 4-Amino-N-(5-methyl-3-isoxazolyl)-benzenesulfonamide
![[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