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.
11 products
![[reference-standards] Doripenem monohydrate](https://www.alsachim.com/16408-list_image/Doripenem-monohydrate.jpg)
![[reference-standards] Azathioprine](https://www.alsachim.com/19804-list_image/Azathioprine.jpg)
![[metabolites] O-Desmethyl apremilast](https://www.alsachim.com/19674-list_image/O-Desmethyl-apremilast.jpg)
![[reference-standards] Mizoribine](https://www.alsachim.com/19370-list_image/Mizoribine.jpg)
Mizoribine
Product Number: C6075
CAS number: 50924-49-7
Synonyms: Bredinin, HE-69, NSC-289637, 1-[(2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-hydroxyimidazole-4-carboxamide
![[reference-standards] Leflunomide](https://www.alsachim.com/19018-list_image/Leflunomide.jpg)
![[metabolites] Demethylmycophenolic acid](https://www.alsachim.com/17790-list_image/Demethylmycophenolic-acid.jpg)
![[reference-standards] 6-Methylmercaptopurine](https://www.alsachim.com/17171-list_image/6-Methylmercaptopurine.jpg)
![[metabolites] Open ring metabolite Meropenem trifluoroacetate salt](https://www.alsachim.com/17091-list_image/Open-ring-metabolite-Meropenem-trifluoroacetate-salt.jpg)
Open ring metabolite Meropenem trifluoroacetate salt
Product Number: C6769
CAS number: 124190-28-9 free base
![[reference-standards] Meropenem trihydrate](https://www.alsachim.com/15716-list_image/Meropenem-trihydrate.jpg)
![[reference-standards] Ertapenem sodium salt](https://www.alsachim.com/15695-list_image/Ertapenem-sodium-salt.jpg)
![[reference-standards] Imipenem monohydrate](https://www.alsachim.com/14950-list_image/Imipenem-monohydrate.jpg)
Imipenem monohydrate
Product Number: C2739
CAS number: 74431-23-5
Synonyms: (5R,6S)-3-((2-Formimidamidoethyl)thio)-6-((R)-1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid monohydrate, Tienam monohydrate, Primaxin monohydrate