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.
31 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] 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
![[metabolites] 7-Hydroxy-chlorpromazine hydrochloride salt](https://www.alsachim.com/17371-list_image/7-Hydroxy-chlorpromazine-hydrochloride-salt.jpg)
![[reference-standards] 6-Thioguanine](https://www.alsachim.com/17167-list_image/6-Thioguanine.jpg)
![[reference-standards] Zileuton](https://www.alsachim.com/17006-list_image/Zileuton.jpg)
![[metabolites] N-Desmethyltrifluoperazine dihydrochloride salt](https://www.alsachim.com/16908-list_image/N-Desmethyltrifluoperazine-dihydrochloride-salt.jpg)
![[reference-standards] Metopimazine acid](https://www.alsachim.com/16889-list_image/Metopimazine-acid.jpg)
![[reference-standards] Metopimazine](https://www.alsachim.com/16868-list_image/Metopimazine.jpg)
![[metabolites] N-Desmethylthioridazine](https://www.alsachim.com/16854-list_image/N-Desmethylthioridazine.jpg)
![[metabolites] 5'-Deoxy-5-fluorocytidine](https://www.alsachim.com/16753-list_image/5-Deoxy-5-fluorocytidine.jpg)
![[metabolites] 2',2'-Difluorodeoxyuridine](https://www.alsachim.com/16755-list_image/2-2-Difluorodeoxyuridine.jpg)
![[reference-standards] Trifluoperazine dihydrochloride salt](https://www.alsachim.com/16614-list_image/Trifluoperazine-dihydrochloride-salt.jpg)
![[reference-standards] Thioridazine hydrochloride salt](https://www.alsachim.com/16609-list_image/Thioridazine-hydrochloride-salt.jpg)
![[reference-standards] Periciazine oxalate salt](https://www.alsachim.com/16608-list_image/Periciazine-oxalate-salt.jpg)
Periciazine oxalate salt
Product Number: C5320
CAS number: 2622-26-6 free base
Synonyms: 2-Cyano-10-[3-(4-hydroxypiperidino)propyl]phenothiazine oxalate salt, Aolept, Pericyazine oxalate salt, Propericyazine oxalate salt, Propericiazine oxalte salt
![[reference-standards] Levomepromazine hydrochloride salt](https://www.alsachim.com/16585-list_image/Levomepromazine-hydrochloride-salt.jpg)