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.
42 products
![[reference-standards] Methotrexate monohydrate](https://www.alsachim.com/14586-list_image/Methotrexate-monohydrate.jpg)
![[metabolites] 7-Hydroxymethotrexate](https://www.alsachim.com/14363-list_image/7-Hydroxymethotrexate.jpg)
7-Hydroxymethotrexate
Product Number: C293
CAS number: 5939-37-7
Synonyms: 7-OHMTX, (S)-2-(4-(((2,4-Diamino-7-hydroxypteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioic acid, 4-Amino-7-hydroxy-10-methylpteroylglutamic acid, 7-Hydroxyamethopterin
![[reference-standards] Cytarabine](https://www.alsachim.com/15776-list_image/Cytarabine.jpg)
![[reference-standards] Pemetrexed](https://www.alsachim.com/15254-list_image/Pemetrexed.jpg)
![[reference-standards] Gemcitabine hydrochloride salt](https://www.alsachim.com/15039-list_image/Gemcitabine-hydrochloride-salt.jpg)
Gemcitabine hydrochloride salt
Product Number: C1504
CAS number: 122111-03-9
Synonyms: 2',2'-Difluoro-2'-deoxycytidine hydrochloride salt
![[reference-standards] Artesunate](https://www.alsachim.com/17681-list_image/Artesunate.jpg)
![[reference-standards] Deoxy-dydroartemisinin (DHA)](https://www.alsachim.com/18129-list_image/Deoxy-dydroartemisinin-DHA-.jpg)
![[reference-standards] Lumefantrine analog oxalate salt](https://www.alsachim.com/15164-list_image/Lumefantrine-analog-oxalate-salt.jpg)
Lumefantrine analog oxalate salt
Product Number: C1762
CAS number: 1026711-16-9 free base
Synonyms: (Z)-1-(2,7-Dichloro-9-(4-chlorobenzylidene)-9H-fluoren-4-yl)-2-(hexylamino)ethanol oxalate salt
![[reference-standards] Cipargamine](https://www.alsachim.com/20010-list_image/Cipargamine.jpg)
![[reference-standards] Cipargamin](https://www.alsachim.com/20004-list_image/Cipargamin.jpg)
![[metabolites] Lumefantrine glucuronide](https://www.alsachim.com/19791-list_image/Lumefantrine-glucuronide.jpg)
![[reference-standards] Arterolane](https://www.alsachim.com/19680-list_image/Arterolane.jpg)
![[reference-standards] Diosgenone](https://www.alsachim.com/19397-list_image/Diosgenone.jpg)
![[reference-standards] Floxuridine](https://www.alsachim.com/19352-list_image/Floxuridine.jpg)
Floxuridine
Product Number: C6050
CAS number: 50-91-9
Synonyms: 5-FUdR, 5-Fluorodeoxyuridine, 5-Fluoro-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione
![[reference-standards] Calcium levofolinate](https://www.alsachim.com/19355-list_image/Calcium-levofolinate.jpg)
Calcium levofolinate
Product Number: C6053
CAS number: 80433-71-2
Synonyms: Elvorine, Isovorin, Calcium (2S)-2-[[4-[[(6S)-2-amino-5-formyl-4-oxo-1,6,7,8-tetrahydropteridin-6-yl]methylamino]benzoyl]amino]pentanedioate
![[reference-standards] (R)-Gossypol](https://www.alsachim.com/19175-list_image/-R-Gossypol.jpg)
(R)-Gossypol
Product Number: C5836
CAS number: 90141-22-3
Synonyms: Pogosin, AT-101, 7-(8-Formyl-1,6,7-trihydroxy-3-methyl-5-propan-2-ylnaphthalen-2-yl)-2,3,8-trihydroxy-6-methyl-4-propan-2-ylnaphthalene-1-carbaldehyde
![[reference-standards] Cipargamin](https://www.alsachim.com/18724-list_image/Cipargamin.jpg)
![[reference-standards] OZ439](https://www.alsachim.com/18203-list_image/OZ439.jpg)
![[reference-standards] N-[2-[3-(1-Piperazinylmethyl)imidazo[2,1-b]thiazol-6-yl]phenyl]-2-quinoxalinecarboxamide](https://www.alsachim.com/17845-list_image/N-2-3-1-Piperazinylmethyl-imidazo-2-1-b-thiazol-6-yl-phenyl-2-quinoxalinecarboxamide.jpg)
![[reference-standards] Halofantrine hydrochloride salt](https://www.alsachim.com/17667-list_image/Halofantrine-hydrochloride-salt.jpg)