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.
11 products
![[reference-standards] Secalciferol](https://www.alsachim.com/21161-list_image/Secalciferol.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] Chlortoluron carboxylic analog 2](https://www.alsachim.com/20253-list_image/Chlortoluron-carboxylic-analog-2.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] Isoproturon](https://www.alsachim.com/19456-list_image/Isoproturon.jpg)
Isoproturon
Product Number: C6241
CAS number: 34123-59-6
Synonyms: 3-(4-Isopropylphenyl)-1,1-dimethylurea
![[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] Calcitriol](https://www.alsachim.com/17878-list_image/Calcitriol.jpg)
![[reference-standards] Zileuton](https://www.alsachim.com/17006-list_image/Zileuton.jpg)
![[reference-standards] Ranitidine hydrochloride salt](https://www.alsachim.com/15844-list_image/Ranitidine-hydrochloride-salt.jpg)
![[reference-standards] Clonidine hydrochloride salt](https://www.alsachim.com/15301-list_image/Clonidine-hydrochloride-salt.jpg)
Clonidine hydrochloride salt
Product Number: C2242
CAS number: 4205-91-8
Synonyms: N-(2,6-Dichlorophenyl)-4,5-dihydro-1H-imidazol-2-amine hydrochloride, Catapressan