![[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
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.
18 products
![[reference-standards] Artemisite](https://www.alsachim.com/14821-list_image/Artemisite.jpg)
Artemisite
Product Number: C6121
CAS number: 101020-89-7
Synonyms: Artemisinin intermediate, Dihydroartemisinin intermediate
![[reference-standards] Artesunate](https://www.alsachim.com/15152-list_image/Artesunate.jpg)
![[reference-standards] Artesunate product 23](https://www.alsachim.com/17680-list_image/Artesunate-product-23.jpg)
![[reference-standards] Artemisone](https://www.alsachim.com/15145-list_image/Artemisone.jpg)
![[reference-standards] Artemisinin](https://www.alsachim.com/14928-list_image/Artemisinin.jpg)
![[reference-standards] β-Artemether](https://www.alsachim.com/17494-list_image/beta-Artemether.jpg)
β-Artemether
Product Number: C1750
CAS number: 71963-77-4
Synonyms: beta-Artemether, Artemos, Dihydroartemisinin methyl ether
![[reference-standards] Isoliquiritigenin](https://www.alsachim.com/20161-list_image/Isoliquiritigenin.jpg)
Isoliquiritigenin
Product Number: C6247
CAS number: 961-29-5
Synonyms: (E)-1-(2,4-Dihydroxyphenyl)-3-(4-hydroxyphenyl)prop-2-en-1-one
![[reference-standards] Thymol sulfate ammonium salt](https://www.alsachim.com/19850-list_image/Thymol-sulfate-ammonium-salt.jpg)
![[reference-standards] Myricetin](https://www.alsachim.com/17879-list_image/Myricetin.jpg)
![[reference-standards] 5-Hydroxymethylfurfuraldehyde](https://www.alsachim.com/17740-list_image/5-Hydroxymethylfurfuraldehyde.jpg)
![[metabolites] 7-Hydroxycoumarin sulfate ammonium salt](https://www.alsachim.com/16577-list_image/7-Hydroxycoumarin-sulfate-ammonium-salt.jpg)
![[metabolites] L-Carnitine inner salt](https://www.alsachim.com/16369-list_image/L-Carnitine-inner-salt.jpg)
![[metabolites] 7-Hydroxycoumarin-β-D-glucuronide](https://www.alsachim.com/17507-list_image/7-Hydroxycoumarin-beta-D-glucuronide.jpg)
7-Hydroxycoumarin-β-D-glucuronide
Product Number: C4521
CAS number: 66695-14-5
Synonyms: 7-Hydroxycoumarin-beta-D-glucuronide
![[metabolites] 7-Hydroxycoumarin](https://www.alsachim.com/15681-list_image/7-Hydroxycoumarin.jpg)
7-Hydroxycoumarin
Product Number: C3351
CAS number: 93-35-6
Synonyms: Phase I metabolite of coumarin (CYP2A6), P450 (CYP) metabolite
![[metabolites] trans-Caffeoyl-L-tryptophan-methylester](https://www.alsachim.com/15306-list_image/trans-Caffeoyl-L-tryptophan-methylester.jpg)
trans-Caffeoyl-L-tryptophan-methylester
Product Number: C2252
CAS number: N/A
Synonyms: (S,E)-Methyl 2-(3-(3,4-dihydroxyphenyl)acrylamido)-3-(1H-indol-3-yl)propanoate
![[reference-standards] trans-Caffeoyl-L-tryptophan sodium salt](https://www.alsachim.com/15282-list_image/trans-Caffeoyl-L-tryptophan-sodium-salt.jpg)
![[metabolites] Dihydroartemisinin (mixture of alpha and beta isomers)](https://www.alsachim.com/15150-list_image/Dihydroartemisinin-mixture-of-alpha-and-beta-isomers-.jpg)
Dihydroartemisinin (mixture of alpha and beta isomers)
Product Number: C1747
CAS number: 131175-87-6