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.
66 products
![[reference-standards] 5-Methyltetrahydrofolic acid](https://www.alsachim.com/19040-list_image/5-Methyltetrahydrofolic-acid.jpg)
![[reference-standards] 5-formyltetrahydrofolic acid](https://www.alsachim.com/19038-list_image/5-formyltetrahydrofolic-acid.jpg)
![[reference-standards] Flumazenil](https://www.alsachim.com/18839-list_image/Flumazenil.jpg)
![[reference-standards] Iopromide](https://www.alsachim.com/18675-list_image/Iopromide.jpg)
![[reference-standards] Berberubine chloride salt](https://www.alsachim.com/18571-list_image/Berberubine-chloride-salt.jpg)
![[reference-standards] N-Acetyl-5-hydroxytryptamine](https://www.alsachim.com/18232-list_image/N-Acetyl-5-hydroxytryptamine.jpg)
N-Acetyl-5-hydroxytryptamine
Product Number: C3721
CAS number: 1210-83-9
Synonyms: N-Acetylserotonin, Normelatonin
![[reference-standards] 5-Methoxytryptamine](https://www.alsachim.com/18231-list_image/5-Methoxytryptamine.jpg)
![[reference-standards] 5-Methoxy-3-indoleacetic acid](https://www.alsachim.com/18228-list_image/5-Methoxy-3-indoleacetic-acid.jpg)
![[metabolites] Tele-methylhistamine dihydrochloride salt](https://www.alsachim.com/18146-list_image/Tele-methylhistamine-dihydrochloride-salt.jpg)
![[reference-standards] Vitamin K1](https://www.alsachim.com/18064-list_image/Vitamin-K1.jpg)
![[reference-standards] Calcitriol](https://www.alsachim.com/17878-list_image/Calcitriol.jpg)
![[reference-standards] Methyl 3-indoleglyoxylate](https://www.alsachim.com/17735-list_image/Methyl-3-indoleglyoxylate.jpg)
Methyl 3-indoleglyoxylate
Product Number: C2343
CAS number: 18372-22-0
Synonyms: Indole-3-glyoxylic acid methyl ester, Methyl (indol-3-yl)oxoacetate
![[reference-standards] Pristanic acid](https://www.alsachim.com/17272-list_image/Pristanic-acid.jpg)
![[reference-standards] Isodesmosine](https://www.alsachim.com/17207-list_image/Isodesmosine.jpg)
![[reference-standards] Coenzyme Q10](https://www.alsachim.com/16973-list_image/Coenzyme-Q10.jpg)
![[reference-standards] L-Glutathione oxidized](https://www.alsachim.com/16971-list_image/L-Glutathione-oxidized.jpg)
![[reference-standards] Homogentisic acid](https://www.alsachim.com/16970-list_image/Homogentisic-acid.jpg)
Homogentisic acid
Product Number: C6542
CAS number: 451-13-8
Synonyms: 2,5-Dihydroxyphenylacetic acid
![[metabolites] 21-Deoxycortisol](https://www.alsachim.com/16882-list_image/21-Deoxycortisol.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