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.
22 products
![[reference-standards] Secalciferol](https://www.alsachim.com/21161-list_image/Secalciferol.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
![[metabolites] 1-Hydroxymidazolam β-D-glucuronide](https://www.alsachim.com/14870-list_image/1-Hydroxymidazolam-beta-D-glucuronide.jpg)
1-Hydroxymidazolam β-D-glucuronide
Product Number: C1243
CAS number: 81256-81-7
Synonyms: 1-Hydroxymidazolam beta-D-glucuronide
![[metabolites] 1-Hydroxymidazolam](https://www.alsachim.com/15717-list_image/1-Hydroxymidazolam.jpg)
![[metabolites] 4-Hydroxymidazolam](https://www.alsachim.com/16655-list_image/4-Hydroxymidazolam.jpg)
![[reference-standards] Vitamin D2](https://www.alsachim.com/17817-list_image/Vitamin-D2.jpg)
![[reference-standards] 1-alpha,25-Dihydroxyvitamin D2](https://www.alsachim.com/17541-list_image/1-alpha-25-Dihydroxyvitamin-D2.jpg)
1-alpha,25-Dihydroxyvitamin D2
Product Number: C1155
CAS number: 60133-18-8
Synonyms: 1-alpha,25-Dihydroxycalciferol
![[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] Paricalcitol](https://www.alsachim.com/17540-list_image/Paricalcitol.jpg)
Paricalcitol
Product Number: C1154
CAS number: 131918-61-1
Synonyms: 19-Nor-1,25-dihydroxyvitamin D2
![[reference-standards] Tofisopam](https://www.alsachim.com/18892-list_image/Tofisopam.jpg)
![[reference-standards] Olanzapine N-oxide](https://www.alsachim.com/18601-list_image/Olanzapine-N-oxide.jpg)
![[reference-standards] Carpipramine](https://www.alsachim.com/18124-list_image/Carpipramine.jpg)
![[reference-standards] Myricetin](https://www.alsachim.com/17879-list_image/Myricetin.jpg)
![[reference-standards] Calcitriol](https://www.alsachim.com/17878-list_image/Calcitriol.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