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.
55 products
![[reference-standards] Chlortoluron carboxylic analog 2](https://www.alsachim.com/20253-list_image/Chlortoluron-carboxylic-analog-2.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
![[reference-standards] Phenformin hydrochloride salt](https://www.alsachim.com/16679-list_image/Phenformin-hydrochloride-salt.jpg)
![[reference-standards] Oxaprozin](https://www.alsachim.com/16700-list_image/Oxaprozin.jpg)
[2H4]-Oxaprozin
Product Number: C5558
CAS number: 21256-18-8 unlabeled
Synonyms: 4.5-Diphenyl-2-oxazolepropanoic acid-d4, Daypro-d4
[2H10]-Oxaprozin
Product Number: C5559
CAS number: 21256-18-8 unlabeled
Synonyms: 4.5-Diphenyl-2-oxazolepropanoic acid-d10, Daypro-d10
![[reference-standards] Flurbiprofen](https://www.alsachim.com/16996-list_image/Flurbiprofen.jpg)
![[reference-standards] Aspirin](https://www.alsachim.com/16999-list_image/Aspirin.jpg)
![[reference-standards] Loxoprofen](https://www.alsachim.com/17064-list_image/Loxoprofen.jpg)
![[reference-standards] (S)-Naproxen](https://www.alsachim.com/17130-list_image/-S-Naproxen.jpg)
![[metabolites] 3-Hydroxyibuprofen](https://www.alsachim.com/17198-list_image/3-Hydroxyibuprofen.jpg)
![[reference-standards] Ketoprofen](https://www.alsachim.com/17209-list_image/Ketoprofen.jpg)
[13C,2H3]-trans-Loxoprofen Alcohol (Mixture of isomers)
Product Number: C7643
CAS number: 371753-19-4 unlabeled
Synonyms: trans-Hydroxy Loxoprofen-13C-d3 (Mixture of Isomers)
![[reference-standards] Tiaprofenic acid](https://www.alsachim.com/17418-list_image/Tiaprofenic-acid.jpg)