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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.
20 products
![[reference-standards] Chlortoluron carboxylic analog 2](https://www.alsachim.com/20253-list_image/Chlortoluron-carboxylic-analog-2.jpg)
![[reference-standards] Thalidomide](https://www.alsachim.com/14883-list_image/Thalidomide.jpg)
![[reference-standards] Splenopentin diacetate salt](https://www.alsachim.com/19442-list_image/Splenopentin-diacetate-salt.jpg)
![[reference-standards] Isoproturon](https://www.alsachim.com/19456-list_image/Isoproturon.jpg)
Isoproturon
Product Number: C6241
CAS number: 34123-59-6
Synonyms: 3-(4-Isopropylphenyl)-1,1-dimethylurea
![[reference-standards] Isoproturon](https://www.alsachim.com/19991-list_image/Isoproturon.jpg)
Isoproturon
Product Number: C7735
CAS number: 34123-59-6 unlabeled
Synonyms: 3-(4-Isopropylphenyl)-1,1-dimethylurea
[13C6]-Plerixafor hydrochloride salt
Product Number: C6814
CAS number: 155148-31-5 unlabeled
Synonyms: [13C6]-1,1'-[1,4-Phenylenebis(methylene)]bis-1,4,8,11-tetraazacyclotetradecane octahydrochloride
[13C5]-Pomalidomide
Product Number: C7000
CAS number: 19171-19-8 unlabeled
Synonyms: IMiD3-13C5, CC 4047-13C5, Actimid -13C5
![[reference-standards] Plerixafor octahydrochloride hydrate](https://www.alsachim.com/18366-list_image/Plerixafor-octahydrochloride-hydrate.jpg)
Plerixafor octahydrochloride hydrate
Product Number: C3994
CAS number: 155148-31-5
Synonyms: 1,1'-[1,4-Phenylenebis(methylene)]bis-1,4,8,11-tetraazacyclotetradecane octahydrochloride, Plerixafor, SID791
[2H4]-Plerixafor hydrochloride salt
Product Number: C3995
CAS number: 155148-31-5 unlabeled
Synonyms: [2H4]-1,1'-[1,4-Phenylenebis(methylene)]bis-1,4,8,11-tetraazacyclotetradecane octahydrochloride
![[reference-standards] Imiquimod](https://www.alsachim.com/18373-list_image/Imiquimod.jpg)
[13C6]-Imiquimod
Product Number: C4018
CAS number: 99011-02-6 unlabeled
Synonyms: [13C6]-Aldara, [13C6]-Beselna
![[reference-standards] Etoposide phosphate salt](https://www.alsachim.com/19337-list_image/Etoposide-phosphate-salt.jpg)
Etoposide phosphate salt
Product Number: C6031
CAS number: 117091-64-2
Synonyms: BMY-40481, 4-((5R,5aR,8aR,9S)-9-(((2R,4aR,6R,7R,8R,8aS)-7,8-Dihydroxy-2-methylhexahydropyrano[3,2-d][1,3]dioxin-6-yl)oxy)-6-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl)-2,6-dimethoxyphenyl dihydrogen phosphate
![[reference-standards] Pomalidomide](https://www.alsachim.com/16390-list_image/Pomalidomide.jpg)
[13C6]-Diuron
Product Number: C3281
CAS number: 330-54-1 unlabeled
Synonyms: 3-(3,4-dichlorophenyl)-1,1-dimethylurea-13C6, DCMU-13C6
![[reference-standards] Prednisone](https://www.alsachim.com/14810-list_image/Prednisone.jpg)
![[reference-standards] Lenalidomide](https://www.alsachim.com/15188-list_image/Lenalidomide.jpg)