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.
54 products
![[reference-standards] Bufuralol hydrochloride salt](https://www.alsachim.com/20700-list_image/Bufuralol-hydrochloride-salt.jpg)
![[reference-standards] Bufuralol](https://www.alsachim.com/20699-list_image/Bufuralol.jpg)
![[reference-standards] (S)-Pramipexole dihydrochloride salt](https://www.alsachim.com/20090-list_image/-S-Pramipexole-dihydrochloride-salt.jpg)
![[reference-standards] L-DOPA](https://www.alsachim.com/19897-list_image/L-DOPA.jpg)
![[reference-standards] Brexpiprazole](https://www.alsachim.com/19819-list_image/Brexpiprazole.jpg)
![[reference-standards] 4-(4-Chlorophenyl)-2-pyrrodinone](https://www.alsachim.com/19663-list_image/4-4-Chlorophenyl-2-pyrrodinone.jpg)
4-(4-Chlorophenyl)-2-pyrrodinone
Product Number: C6852
CAS number: 22518-27-0
Synonyms: Baclofen impurity
![[metabolites] 4-Hydroxy Urapidil](https://www.alsachim.com/19621-list_image/4-Hydroxy-Urapidil.jpg)
![[reference-standards] Yohimbine](https://www.alsachim.com/19593-list_image/Yohimbine.jpg)
![[metabolites] 3,4-Dihydroxyphenylacetic acid](https://www.alsachim.com/14294-list_image/3-4-Dihydroxyphenylacetic-acid.jpg)
3,4-Dihydroxyphenylacetic acid
Product Number: C10469
CAS number: 102-32-9
Synonyms: DOPAC, Homoprotocatechuic acid
![[metabolites] (±)-4-Hydroxydebrisoquin hemisulfate salt](https://www.alsachim.com/18958-list_image/--4-Hydroxydebrisoquin-hemisulfate-salt.jpg)
(±)-4-Hydroxydebrisoquin hemisulfate salt
Product Number: C5450
CAS number: 62580-84-1
Synonyms: (±)-4-Hydroxydebrisoquin sulfate
![[reference-standards] Tiaprofenic acid](https://www.alsachim.com/17418-list_image/Tiaprofenic-acid.jpg)
![[reference-standards] Phenoxybenzamine hydrochloride salt](https://www.alsachim.com/17847-list_image/Phenoxybenzamine-hydrochloride-salt.jpg)
![[reference-standards] Ropinirole hydrochloride salt](https://www.alsachim.com/17641-list_image/Ropinirole-hydrochloride-salt.jpg)
![[reference-standards] (S)-Ibuprofen](https://www.alsachim.com/17453-list_image/-S-Ibuprofen.jpg)
![[reference-standards] (R)-Ibuprofen](https://www.alsachim.com/17452-list_image/-R-Ibuprofen.jpg)
![[reference-standards] Alprenolol hydrochloride salt](https://www.alsachim.com/17444-list_image/Alprenolol-hydrochloride-salt.jpg)
![[reference-standards] Ketoprofen](https://www.alsachim.com/17209-list_image/Ketoprofen.jpg)
![[metabolites] 3-Hydroxyibuprofen](https://www.alsachim.com/17198-list_image/3-Hydroxyibuprofen.jpg)
![[reference-standards] Esmolol hydrochloride salt](https://www.alsachim.com/17141-list_image/Esmolol-hydrochloride-salt.jpg)
![[metabolites] Esmolol acid](https://www.alsachim.com/17142-list_image/Esmolol-acid.jpg)