Products
Alsachim offers you its expertise and know-how in isotope enrichment labeling (13C, 2H, 15N, 18O, 34S) to quantify your compounds by LC-MS/MS analysis. Our teams synthesize labeled internal standards and reference standards, as well as metabolites and building blocks.
264 products
![[reference-standards] (S)-(+)-Efavirenz](https://www.alsachim.com/15628-list_image/-S---Efavirenz.jpg)
![[reference-standards] 10-Demethylcolchicine](https://www.alsachim.com/18996-list_image/11-Demethylcolchicine.jpg)
![[reference-standards] 2',3'-Dideoxyinosine](https://www.alsachim.com/15868-list_image/2-3-Dideoxyinosine.jpg)
![[reference-standards] 2-Demecolchicine](https://www.alsachim.com/18993-list_image/2-Demecolchicine.jpg)
![[metabolites] 3-Demethylcolchicine](https://www.alsachim.com/18987-list_image/3-Demethylcolchicine.jpg)
![[reference-standards] 4'-Demethylepipodophyllotoxin](https://www.alsachim.com/19336-list_image/4-Demethylepipodophyllotoxin.jpg)
4'-Demethylepipodophyllotoxin
Product Number: C6030
CAS number: 6559-91-7
Synonyms: 4'-DMEP, (5S,5aR,8aR,9R)-5-Hydroxy-9-(4-hydroxy-3,5-dimethoxyphenyl)-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[5,6-f][1,3]benzodioxol-8-one
![[reference-standards] 4,6-Dioxoheptanoic acid](https://www.alsachim.com/16969-list_image/4-6-Dioxoheptanoic-acid.jpg)
![[metabolites] 6-α-Hydroxypaclitaxel](https://www.alsachim.com/15964-list_image/6-alpha-Hydroxypaclitaxel.jpg)
6-α-Hydroxypaclitaxel
Product Number: C3843
CAS number: 153212-75-0
Synonyms: 6-a-Hydroxypaclitaxel, 6-alpha-Hydroxytaxol
![[metabolites] 8,14-Dihydroxyefavirenz, racemic mixture](https://www.alsachim.com/20133-list_image/8-14-Dihydroxyefavirenz-racemic-mixture.jpg)
![[metabolites] 8-Hydroxyefavirenz](https://www.alsachim.com/20132-list_image/8-Hydroxyefavirenz.jpg)
8-Hydroxyefavirenz
Product Number: C958
CAS number: 205754-33-2
Synonyms: P450 (CYP) metabolite, Phase I metabolite of efavirenz, CYP2B6 reference metabolite
![[products] Abacavir sulfate salt](https://www.alsachim.com/15382-list_image/Abacavir-sulfate-salt.jpg)
![[reference-standards] ABX464](https://www.alsachim.com/19594-list_image/ABX464.jpg)
![[reference-standards] Amprenavir](https://www.alsachim.com/14802-list_image/Amprenavir.jpg)
![[reference-standards] Anticefotaxime](https://www.alsachim.com/15818-list_image/Anticefotaxime.jpg)
![[reference-standards] Atazanavir](https://www.alsachim.com/15139-list_image/Atazanavir.jpg)
![[reference-standards] Avibactam sodium salt](https://www.alsachim.com/20675-list_image/Avibactam-sodium-salt.jpg)
![[reference-standards] Azoxystrobin](https://www.alsachim.com/17671-list_image/Azoxystrobin.jpg)
![[reference-standards] Berberubine chloride salt](https://www.alsachim.com/18571-list_image/Berberubine-chloride-salt.jpg)
![[reference-standards] Bestatin](https://www.alsachim.com/16788-list_image/Bestatin.jpg)
![[reference-standards] Bictegravir](https://www.alsachim.com/17435-list_image/Bictegravir.jpg)