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.
17 products
![[reference-standards] Sultiame](https://www.alsachim.com/20261-list_image/Sultiame.jpg)
![[reference-standards] (-)-Riboflavin](https://www.alsachim.com/15783-list_image/--Riboflavin.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] Sulfadiazine](https://www.alsachim.com/19599-list_image/Sulfadiazine.jpg)
![[reference-standards] Sulfamethazine](https://www.alsachim.com/18797-list_image/Sulfamethazine.jpg)
![[reference-standards] Dapsone hydroxylamine](https://www.alsachim.com/18794-list_image/Dapsone-hydroxylamine.jpg)
![[reference-standards] Sulfadimerazine](https://www.alsachim.com/18149-list_image/Sulfadimerazine.jpg)
![[reference-standards] Sulfadoxine](https://www.alsachim.com/17666-list_image/Sulfadoxine.jpg)
![[reference-standards] Trimethoprim](https://www.alsachim.com/16904-list_image/Trimethoprim.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
![[metabolites] Sulfamethoxazole hydroxylamine](https://www.alsachim.com/16009-list_image/Sulfamethoxazole-hydroxylamine.jpg)
![[reference-standards] Sulfamethoxazole](https://www.alsachim.com/16000-list_image/Sulfamethoxazole.jpg)
Sulfamethoxazole
Product Number: C3963
CAS number: 723-46-6
Synonyms: 4-Amino-N-(5-methyl-3-isoxazolyl)-benzenesulfonamide
![[reference-standards] Nicotinamide](https://www.alsachim.com/15762-list_image/Nicotinamide.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)