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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.
85 products
![[reference-standards] Azoxystrobin](https://www.alsachim.com/17671-list_image/Azoxystrobin.jpg)
![[reference-standards] Bepridil hydrochloride salt](https://www.alsachim.com/19702-list_image/Bepridil-hydrochloride-salt.jpg)
![[reference-standards] Berberubine chloride salt](https://www.alsachim.com/18571-list_image/Berberubine-chloride-salt.jpg)
![[reference-standards] Boscalid](https://www.alsachim.com/19518-list_image/Boscalid.jpg)
![[reference-standards] Carboxyamidotriazole](https://www.alsachim.com/17731-list_image/Carboxyamidotriazole.jpg)
![[reference-standards] Chlorothalonil](https://www.alsachim.com/19895-list_image/Chlorothalonil.jpg)
![[reference-standards] Chlortoluron carboxylic analog 2](https://www.alsachim.com/20253-list_image/Chlortoluron-carboxylic-analog-2.jpg)
![[metabolites] Desmethylmirtazapine](https://www.alsachim.com/16909-list_image/Desmethylmirtazapine.jpg)
![[metabolites] Desmethylmirtazapine dihydrochloride salt](https://www.alsachim.com/16330-list_image/Desmethylmirtazapine-dihydrochloride-salt.jpg)
Desmethylmirtazapine dihydrochloride salt
Product Number: C4789
CAS number: 61337-68-6 free base
Synonyms: Normirtazapine dihydrochloride salt
![[reference-standards] Diltiazem hydrochloride salt](https://www.alsachim.com/15403-list_image/Diltiazem-hydrochloride-salt.jpg)
![[reference-standards] Dronedarone](https://www.alsachim.com/15413-list_image/Dronedarone.jpg)
![[reference-standards] Dronedarone hydrochloride salt](https://www.alsachim.com/16141-list_image/Dronedarone-hydrochloride-salt.jpg)
![[reference-standards] Fluxapyroxad](https://www.alsachim.com/20702-list_image/Fluxapyroxad.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] Lidoflazine](https://www.alsachim.com/19378-list_image/Lidoflazine.jpg)
Lidoflazine
Product Number: C6087
CAS number: 3416-26-0
Synonyms: 1-[4,4-Bis(fluorophenyl)butyl]-4-(2,6-dimethylanilino carbonylmethyl) piperazine
![[reference-standards] Lufenuron](https://www.alsachim.com/18192-list_image/Lufenuron.jpg)
![[reference-standards] Mianserin hydrochloride salt](https://www.alsachim.com/16382-list_image/Mianserin-hydrochloride-salt.jpg)
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