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] (-)-Riboflavin](https://www.alsachim.com/15783-list_image/--Riboflavin.jpg)
![[metabolites] Naratriptan-N-oxide](https://www.alsachim.com/17577-list_image/Naratriptan-N-oxide.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] SDZ-220-581](https://www.alsachim.com/19219-list_image/SDZ-220-581.jpg)
SDZ-220-581
Product Number: C5887
CAS number: 174575-17-8
Synonyms: (2S)-2-Amino-3-[3-(2-chlorophenyl)-5-(phosphonomethyl)phenyl]propanoic acid
![[reference-standards] Glycopyrronium bromide](https://www.alsachim.com/18358-list_image/Glycopyrronium-bromide.jpg)
Glycopyrronium bromide
Product Number: C3966
CAS number: 596-51-0
Synonyms: Nodapton, Robanul, Robinul, Tarodyl, Tarodyn
![[reference-standards] Sumatriptan succinate salt](https://www.alsachim.com/17808-list_image/Sumatriptan-succinate-salt.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] Nicotinamide](https://www.alsachim.com/15762-list_image/Nicotinamide.jpg)
![[reference-standards] Propofol](https://www.alsachim.com/15468-list_image/Propofol.jpg)
![[reference-standards] Folic acid](https://www.alsachim.com/15443-list_image/Folic-acid.jpg)
Folic acid
Product Number: C3157
CAS number: 59-30-3
Synonyms: N-[4-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-L-glutamic acid, Vitamin B9
![[reference-standards] Biotin](https://www.alsachim.com/15205-list_image/Biotin.jpg)