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.
35 products
![[reference-standards] Urapidil](https://www.alsachim.com/16795-list_image/Urapidil.jpg)
![[reference-standards] Sildenafil citrate salt](https://www.alsachim.com/14350-list_image/Sildenafil-citrate-salt.jpg)
Sildenafil citrate salt
Product Number: C2784
CAS number: 171599-83-0
Synonyms: 5-[2-Ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one 2-hydroxy-1,2,3-propanetricarboxylate
![[reference-standards] Bosentan sodium salt](https://www.alsachim.com/15315-list_image/Bosentan-sodium-salt.jpg)
![[metabolites] Hydroxybosentan](https://www.alsachim.com/15600-list_image/Hydroxybosentan.jpg)
Hydroxybosentan
Product Number: C3134
CAS number: 253688-60-7
Synonyms: Bosentan metabolite Ro 48-5033
![[metabolites] Desmethyl Bosentan](https://www.alsachim.com/18967-list_image/Desmethyl-Bosentan.jpg)
Desmethyl Bosentan
Product Number: C5474
CAS number: 253688-61-8
Synonyms: Bosentan metabolite Ro 47-8634
![[reference-standards] Bosentan](https://www.alsachim.com/17574-list_image/Bosentan.jpg)
![[reference-standards] Pimobendan](https://www.alsachim.com/16293-list_image/Pimobendan.jpg)
![[reference-standards] Eledoisin acetate salt](https://www.alsachim.com/20153-list_image/Eledoisin-acetate-salt.jpg)
![[reference-standards] Nafronyl](https://www.alsachim.com/20044-list_image/Nafronyl.jpg)
![[reference-standards] (R)-AMT](https://www.alsachim.com/20043-list_image/-R-AMT.jpg)
![[metabolites] 3,4-Dehydro-Cilostazol](https://www.alsachim.com/19937-list_image/3-4-Dehydro-Cilostazol.jpg)
![[reference-standards] Vincamine](https://www.alsachim.com/19728-list_image/Vincamine.jpg)
![[metabolites] 5-Methylurapidil](https://www.alsachim.com/19633-list_image/5-Methylurapidil.jpg)
5-Methylurapidil
Product Number: C6736
CAS number: 34661-85-3
Synonyms: 5-Methyl-6[[3-[4-(2-methoxyphenyl)-1-piperazinyl]propyl]amino]-1,3-dimethyluracil
![[reference-standards] Isosorbide dinitrate](https://www.alsachim.com/19156-list_image/Isosorbide-dinitrate.jpg)
![[reference-standards] Treprostinil isomer](https://www.alsachim.com/19138-list_image/Treprostinil-isomer.jpg)
![[metabolites] Hydroxy desmethyl bosentan](https://www.alsachim.com/18968-list_image/Hydroxy-desmethyl-bosentan.jpg)
Hydroxy desmethyl bosentan
Product Number: C5476
CAS number: 253688-62-9
Synonyms: Bosentan metabolite Ro 64-1056
![[reference-standards] Molsidomine](https://www.alsachim.com/18861-list_image/Molsidomine.jpg)
![[reference-standards] AMT](https://www.alsachim.com/18772-list_image/AMT.jpg)
![[reference-standards] 4-Ethyl ephedrine hydrochloride salt](https://www.alsachim.com/18323-list_image/4-Ethyl-ephedrine-hydrochloride-salt.jpg)
4-Ethyl ephedrine hydrochloride salt
Product Number: C3896
CAS number: 27465-55-0
Synonyms: 4-Ethyl-alpha-[1-(methylamino)ethyl]-benzenemethanol hydrochloride
![[reference-standards] 4-Methyl ephedrine hydrochloride salt](https://www.alsachim.com/18320-list_image/4-Methyl-ephedrine-hydrochloride-salt.jpg)
4-Methyl ephedrine hydrochloride salt
Product Number: C3893
CAS number: 27465-53-8
Synonyms: 4-methyl-alpha-[1-(methylamino)ethyl]-benzenemethanol hydrochloride