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] (-)-Riboflavin](https://www.alsachim.com/15783-list_image/--Riboflavin.jpg)
![[metabolites] Naratriptan-N-oxide](https://www.alsachim.com/17577-list_image/Naratriptan-N-oxide.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] 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] Vitamine K2](https://www.alsachim.com/19349-list_image/Vitamine-K2.jpg)
![[reference-standards] SDZ-220-581](https://www.alsachim.com/19219-list_image/SDZ-220-581.jpg)
SDZ-220-581
Product Number: C5887
CAS number: 174575-17-8
Synonyms: (2S)-2-Amino-3-[3-(2-chlorophenyl)-5-(phosphonomethyl)phenyl]propanoic acid
![[reference-standards] Glycopyrronium bromide](https://www.alsachim.com/18358-list_image/Glycopyrronium-bromide.jpg)
Glycopyrronium bromide
Product Number: C3966
CAS number: 596-51-0
Synonyms: Nodapton, Robanul, Robinul, Tarodyl, Tarodyn
![[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] Sumatriptan succinate salt](https://www.alsachim.com/17808-list_image/Sumatriptan-succinate-salt.jpg)
![[metabolites] Biotin sulfoxide](https://www.alsachim.com/16871-list_image/Biotin-sulfoxide.jpg)
![[reference-standards] Vitamin A](https://www.alsachim.com/16396-list_image/Vitamin-A.jpg)
![[metabolites] 13-cis-Retinoic acid](https://www.alsachim.com/15615-list_image/13-cis-Retinoic-acid.jpg)
![[metabolites] 4-Keto 13-cis-retinoic acid](https://www.alsachim.com/15617-list_image/4-Keto-13-cis-retinoic-acid.jpg)
4-Keto 13-cis-retinoic acid
Product Number: C3165
CAS number: 71748-58-8
Synonyms: 4-Oxo-13-cis-retinoic Acid, 4-Oxo-isotretinoin
![[metabolites] 9-cis-Retinoic acid](https://www.alsachim.com/15618-list_image/9-cis-Retinoic-acid.jpg)
9-cis-Retinoic acid
Product Number: C3167
CAS number: 5300-03-8
Synonyms: Alitretinoin, Panretin, 9-cis-Tretinoin, Panrexin
![[metabolites] all-trans-Retinoic acid](https://www.alsachim.com/15622-list_image/all-trans-Retinoic-acid.jpg)
all-trans-Retinoic acid
Product Number: C3171
CAS number: 302-79-4
Synonyms: Tretinoin, Vitamin A acid
![[reference-standards] Propofol](https://www.alsachim.com/15468-list_image/Propofol.jpg)
![[reference-standards] Folic acid](https://www.alsachim.com/15443-list_image/Folic-acid.jpg)
Folic acid
Product Number: C3157
CAS number: 59-30-3
Synonyms: N-[4-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-L-glutamic acid, Vitamin B9