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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.
5819 products
![[reference-standards] Acetamiprid](https://www.alsachim.com/20018-list_image/Acetamiprid.jpg)
![[reference-standards] Bupropion hydrochloride salt](https://www.alsachim.com/20108-list_image/Bupropion-hydrochloride-salt.jpg)
![[reference-standards] JPH203](https://www.alsachim.com/20170-list_image/JPH203.jpg)
![[reference-standards] Kifunensine](https://www.alsachim.com/20175-list_image/Kifunensine.jpg)
![[reference-standards] p-Aminohippuric acid](https://www.alsachim.com/20177-list_image/p-Aminohippuric-acid.jpg)
![[reference-standards] Obeticholic acid](https://www.alsachim.com/20180-list_image/Obeticholic-acid.jpg)
![[metabolites] Phthalamic acid](https://www.alsachim.com/20182-list_image/Phthalamic-acid.jpg)
[2H4]-(±)-Octopamine hydrochloride salt
Product Number: C7341
CAS number: 770-05-8 unlabeled
Synonyms: (±)-[2H4]-1-(4-Hydroxyphenyl)-2-aminoethanol hydrochloride
![[reference-standards] D,L-2-Hydroxyglutaric acid disodium salt](https://www.alsachim.com/20198-list_image/D-L-2-Hydroxyglutaric-acid-disodium-salt.jpg)
[13C2,15N2]-Hexamethylenediamine dihydrochloride salt
Product Number: C7393
CAS number: 6055-52-3 unlabeled
Synonyms: [13C2, 15N2]-1,6-Hexanediamine dihydrochloride, [13C2, 15N2]-HMDA
![[reference-standards] Gly-glutathione disulfide](https://www.alsachim.com/20202-list_image/Gly-glutathione-disulfide.jpg)
![[reference-standards] 4-hydroxy-TEMPO](https://www.alsachim.com/20203-list_image/4-hydroxy-TEMPO.jpg)
![[reference-standards] Terazosin hydrochloride salt](https://www.alsachim.com/20204-list_image/Terazosin-hydrochloride-salt.jpg)
Terazosin hydrochloride salt
Product Number: C7012
CAS number: 63074-08-8
Synonyms: Abbott 45975, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]piperazine hydrochloride