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] (-)-Epinephrine (+)-bitartrate salt](https://www.alsachim.com/16815-list_image/--Epinephrine---bitartrate-salt.jpg)
(-)-Epinephrine (+)-bitartrate salt
Product Number: C6108
CAS number: 51-42-3
Synonyms: (-)-Adrenalin (+)-bitartrate salt
![[reference-standards] (±)-Norepinephrine hydrochloride salt](https://www.alsachim.com/15874-list_image/--Norepinephrine-hydrochloride-salt.jpg)
(±)-Norepinephrine hydrochloride salt
Product Number: C3674
CAS number: 55-27-6
Synonyms: (±)-Noradrenaline hydrochloride salt
![[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] 3,4-Dihydroxyphenylethylene glycol, racemic mixture](https://www.alsachim.com/15487-list_image/3-4-Dihydroxyphenylethylene-glycol-racemic-mixture.jpg)
3,4-Dihydroxyphenylethylene glycol, racemic mixture
Product Number: C3158
CAS number: 28822-73-3
Synonyms: Norepinephrine metabolite, racemic mixture
![[metabolites] alpha,alpha,beta,beta-Metanephrine 4-(hydrogen sulfate) ammonium salt](https://www.alsachim.com/18209-list_image/alpha-alpha-beta-beta-Metanephrine-4-hydrogen-sulfate--ammonium-salt.jpg)
alpha,alpha,beta,beta-Metanephrine 4-(hydrogen sulfate) ammonium salt
Product Number: C3672
CAS number: 7367-47-7 free acid
Synonyms: alpha-[(Methylamino)methyl]-vanillyl alcohol 4-(hydrogen sulfate)
![[metabolites] D,L-Metanephrine hydrochloride salt](https://www.alsachim.com/15825-list_image/D-L-Metanephrine-hydrochloride-salt.jpg)
D,L-Metanephrine hydrochloride salt
Product Number: C3582
CAS number: 881-95-8
Synonyms: D,L-Epinephrine metabolite hydrochloride salt
![[metabolites] D,L-Normetanephrine hydrochloride salt](https://www.alsachim.com/17025-list_image/D-L-Normetanephrine-hydrochloride-salt.jpg)
D,L-Normetanephrine hydrochloride salt
Product Number: C6638
CAS number: 1011-74-1
Synonyms: D,L-Epinephrine metabolite hydrochloride salt
![[metabolites] Homovanillic acid](https://www.alsachim.com/14789-list_image/Homovanillic-acid.jpg)
Homovanillic acid
Product Number: C3215
CAS number: 306-08-1
Synonyms: 4-Hydroxy-3-methoxyphenylacetic acid