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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.
118 products
![[reference-standards] Minocycline hydrochloride salt](https://www.alsachim.com/16528-list_image/Minocycline-hydrochloride-salt.jpg)
Minocycline hydrochloride salt
Product Number: C5131
CAS number: 13614-98-7
Synonyms: Minocyn hydrochloride
[13C,2H3]-Doxycycline trifluoroacetate salt
Product Number: C6725
CAS number: 564-25-0 unlabeled free base
[2H5]-4-Amino-3-phenyl-butyric acid hydrochloride salt
Product Number: C9058
CAS number: 3060-41-1 unlabeled
![[reference-standards] 4-Amino-3-phenyl-butyric acid](https://www.alsachim.com/20712-list_image/4-Amino-3-phenyl-butyric-acid.jpg)
![[reference-standards] Glyphosate](https://www.alsachim.com/14344-list_image/Glyphosate.jpg)
Glyphosate
Product Number: C6552
CAS number: 1071-83-6
Synonyms: 2-(Phosphonomethylamino)acetic acid
[13C3,15N]-Glyphosate
Product Number: C339
CAS number: 1071-83-6 unlabeled
Synonyms: 2-(Phosphonomethylamino)acetic acid-13C3-15N
![[reference-standards] Chlorpyrifos-methyl](https://www.alsachim.com/18590-list_image/Chlorpyrifos-methyl.jpg)
![[metabolites] Desmethyl chlorpyrifos-methyl](https://www.alsachim.com/18591-list_image/Desmethyl-chlorpyrifos-methyl.jpg)
![[reference-standards] Pexacerfont](https://www.alsachim.com/17519-list_image/Pexacerfont.jpg)
![[reference-standards] (S)-(+)-Cicletanine](https://www.alsachim.com/17555-list_image/-S---Cicletanine.jpg)
![[reference-standards] (R)-(-)-Cicletanine](https://www.alsachim.com/17556-list_image/-R---Cicletanine.jpg)
![[metabolites] Furosemide glucuronide](https://www.alsachim.com/17586-list_image/Furosemide-glucuronide.jpg)
Furosemide glucuronide
Product Number: C1355
CAS number: 72967-59-0
Synonyms: Furosemide Glucuronide, 1-[5-(Aminosulfonyl)-4-chloro-2-[(2-furanylmethyl)amino]benzoate] -ß-D-glucopyranuronic Acid