![[reference-standards] Guibourtinidin chloride salt](https://www.alsachim.com/14753-list_image/Guibourtinidin-chloride-salt.jpg)
Guibourtinidin chloride salt
Product Number: C1021
CAS number: 13544-54-2
Synonyms: 3,4',7-Trihydroxyflavylium
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.
190 products
![[reference-standards] Malvidin chloride salt](https://www.alsachim.com/14752-list_image/Malvidin-chloride-salt.jpg)
Malvidin chloride salt
Product Number: C1020
CAS number: 643-84-5
Synonyms: E163c, 3,4',5,7-Tetrahydroxy-3',5'-dimethoxyflavylium chloride, Syringidin chloride
![[reference-standards] Ceftazidime hydrate](https://www.alsachim.com/15470-list_image/Ceftazidime-hydrate.jpg)
![[reference-standards] (-)-Epinephrine](https://www.alsachim.com/15919-list_image/--Epinephrine.jpg)
![[metabolites] 3,4-Dihydroxyphenylethylene glycol, racemic mixture](https://www.alsachim.com/15487-list_image/3-4-Dihydroxyphenylethylene-glycol-racemic-mixture.jpg)
3,4-Dihydroxyphenylethylene glycol, racemic mixture
Product Number: C3158
CAS number: 28822-73-3
Synonyms: Norepinephrine metabolite, racemic mixture
![[reference-standards] (±)-Norepinephrine hydrochloride salt](https://www.alsachim.com/15874-list_image/--Norepinephrine-hydrochloride-salt.jpg)
(±)-Norepinephrine hydrochloride salt
Product Number: C3674
CAS number: 55-27-6
Synonyms: (±)-Noradrenaline hydrochloride salt
![[reference-standards] Secalciferol](https://www.alsachim.com/21161-list_image/Secalciferol.jpg)
![[reference-standards] Tobramycin](https://www.alsachim.com/14815-list_image/Tobramycin.jpg)
![[reference-standards] 7-(-β-Hydroxyethyl)theophylline](https://www.alsachim.com/20114-list_image/7--beta-Hydroxyethyl-theophylline.jpg)
7-(-β-Hydroxyethyl)theophylline
Product Number: C8001
CAS number: 519-37-9
Synonyms: 7-(-beta-Hydroxyethyl)theophylline
![[reference-standards] Ceftaroline fosamil acetate salt](https://www.alsachim.com/17443-list_image/Ceftaroline-fosamil-acetate-salt.jpg)
![[reference-standards] Triclosan](https://www.alsachim.com/16197-list_image/Triclosan.jpg)
![[reference-standards] Kaempferol](https://www.alsachim.com/17836-list_image/Kaempferol.jpg)
![[reference-standards] N-nitrosodimethylamine](https://www.alsachim.com/20863-list_image/N-nitrosodimethylamine.jpg)
![[reference-standards] N-Nitrosodi-n-butylamine](https://www.alsachim.com/20866-list_image/N-Nitrosodi-n-butylamine.jpg)
![[reference-standards] N-Nitroso-N-methyl-4-aminobutyric Acid](https://www.alsachim.com/20865-list_image/N-Nitroso-N-methyl-4-aminobutyric-Acid.jpg)
![[reference-standards] N-nitrosodiethylamine](https://www.alsachim.com/20864-list_image/N-nitrosodiethylamine.jpg)
![[reference-standards] Isoproturon](https://www.alsachim.com/19991-list_image/Isoproturon.jpg)
Isoproturon
Product Number: C7735
CAS number: 34123-59-6 unlabeled
Synonyms: 3-(4-Isopropylphenyl)-1,1-dimethylurea
![[reference-standards] S-3-(Hexan-1-ol)-glutathione](https://www.alsachim.com/20237-list_image/S-3-Hexan-1-ol-glutathione.jpg)
S-3-(Hexan-1-ol)-glutathione
Product Number: C789
CAS number: 444601-71-2
Synonyms: L-?-Glutamyl-S-[1-(2-hydroxyethyl)butyl]-L-cysteinylglycine
![[reference-standards] (-)-Riboflavin](https://www.alsachim.com/15783-list_image/--Riboflavin.jpg)