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] TPA 023B](https://www.alsachim.com/18975-list_image/TPA-023B.jpg)
![[reference-standards] TPA023B phosphoric acid salt](https://www.alsachim.com/20831-list_image/TPA023B-phosphoric-acid-salt.jpg)
![[reference-standards] 4-Amino-3-phenyl-butyric acid](https://www.alsachim.com/20712-list_image/4-Amino-3-phenyl-butyric-acid.jpg)
![[reference-standards] (-)-Riboflavin](https://www.alsachim.com/15783-list_image/--Riboflavin.jpg)
![[metabolites] Ramelteon metabolite M-II](https://www.alsachim.com/17579-list_image/Ramelteon-metabolite-M-II.jpg)
![[reference-standards] Pexacerfont](https://www.alsachim.com/17519-list_image/Pexacerfont.jpg)
![[reference-standards] Thionicotinamide adenine dinucleotide](https://www.alsachim.com/20146-list_image/Thionicotinamide-adenine-dinucleotide.jpg)
Thionicotinamide adenine dinucleotide
Product Number: C5918
CAS number: 4090-29-3
Synonyms: Thionicotinamide-NAD, Thionicotinamide-DPN
![[reference-standards] (-)-Riboflavin 5-phosphate sodium salt](https://www.alsachim.com/20109-list_image/--Riboflavin-5-phosphate-sodium-salt.jpg)
![[reference-standards] Mebicar](https://www.alsachim.com/19866-list_image/Mebicar.jpg)
![[reference-standards] Tofisopam](https://www.alsachim.com/18892-list_image/Tofisopam.jpg)
![[reference-standards] Olanzapine N-oxide](https://www.alsachim.com/18601-list_image/Olanzapine-N-oxide.jpg)
![[reference-standards] Carpipramine](https://www.alsachim.com/18124-list_image/Carpipramine.jpg)
![[metabolites] Desmethyl-Lorediplon](https://www.alsachim.com/18263-list_image/Desmethyl-Lorediplon.jpg)
![[reference-standards] Lorediplon](https://www.alsachim.com/18143-list_image/Lorediplon.jpg)
![[reference-standards] Thiopental](https://www.alsachim.com/17247-list_image/Thiopental.jpg)
![[metabolites] Biotin sulfoxide](https://www.alsachim.com/16871-list_image/Biotin-sulfoxide.jpg)
![[reference-standards] Levomefolate calcium salt](https://www.alsachim.com/16836-list_image/Levomefolate-calcium-salt.jpg)
Levomefolate calcium salt
Product Number: C6234
CAS number: 151533-22-1
Synonyms: LMCA, Metafolin, 5-Methyl-tetrahydrofolate calcium salt, L-Methylfolate calcium salt
![[reference-standards] Promethazine hydrochloride salt](https://www.alsachim.com/16606-list_image/Promethazine-hydrochloride-salt.jpg)
![[metabolites] Demoxepam](https://www.alsachim.com/16373-list_image/Demoxepam.jpg)
![[reference-standards] Carisoprodol](https://www.alsachim.com/16222-list_image/Carisoprodol.jpg)