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.
13 products
![[reference-standards] Ipratropium bromide salt](https://www.alsachim.com/20714-list_image/Ipratropium-bromide-salt.jpg)
![[reference-standards] L-Tryptophan](https://www.alsachim.com/15472-list_image/L-Tryptophan.jpg)
![[reference-standards] Doripenem monohydrate](https://www.alsachim.com/16408-list_image/Doripenem-monohydrate.jpg)
![[reference-standards] Tiotropium bromide salt](https://www.alsachim.com/17642-list_image/Tiotropium-bromide-salt.jpg)
![[reference-standards] Thiothixene](https://www.alsachim.com/19853-list_image/Thiothixene.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] Zuclopenthixol dihydrochloride salt](https://www.alsachim.com/16839-list_image/Zuclopenthixol-dihydrochloride-salt.jpg)
![[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)
![[metabolites] trans-Caffeoyl-L-tryptophan-methylester](https://www.alsachim.com/15306-list_image/trans-Caffeoyl-L-tryptophan-methylester.jpg)
trans-Caffeoyl-L-tryptophan-methylester
Product Number: C2252
CAS number: N/A
Synonyms: (S,E)-Methyl 2-(3-(3,4-dihydroxyphenyl)acrylamido)-3-(1H-indol-3-yl)propanoate
![[reference-standards] trans-Caffeoyl-L-tryptophan sodium salt](https://www.alsachim.com/15282-list_image/trans-Caffeoyl-L-tryptophan-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
![[reference-standards] Indoximod](https://www.alsachim.com/14695-list_image/Indoximod.jpg)