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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.
125 products
![[reference-standards] Perindopril arginine](https://www.alsachim.com/16432-list_image/Perindopril-arginine-salt.jpg)
[2H5]-Zofenoprilat
Product Number: C10728
CAS number: 75176-37-3 unlabeled
Synonyms: Zofenoprilat-D5
![[reference-standards] Doxorubicin hydrochloride salt](https://www.alsachim.com/14645-list_image/Doxorubicin-hydrochloride-salt.jpg)
![[metabolites] Ramiprilat](https://www.alsachim.com/16341-list_image/Ramiprilat.jpg)
![[reference-standards] Fosfomycin](https://www.alsachim.com/20678-list_image/Fosfomycin.jpg)
Fosfomycin
Product Number: C9125
CAS number: 23155-02-4
Synonyms: (-)-(1R,2S)-(1,2-Epoxypropyl)phosphonic acid
![[reference-standards] Streptomycin A](https://www.alsachim.com/20683-list_image/Streptomycin-A.jpg)
![[metabolites] N-Acetyl Dapsone](https://www.alsachim.com/19489-list_image/N-Acetyl-Dapsone.jpg)
![[metabolites] 4-Demethyltrimethoprim](https://www.alsachim.com/19529-list_image/4-Demethyltrimethoprim.jpg)
![[reference-standards] Diminazene dihydrochloride salt](https://www.alsachim.com/20245-list_image/Diminazene-dihydrochloride-salt.jpg)
[2H6]-Fusidic acid sodium salt
Product Number: C1002
CAS number: 751-94-0 unlabeled
Synonyms: [2H6]-Fucidin, [2H6]-sodium Fusidate
[2H5]-Trandolapril
Product Number: C1377
CAS number: 1356847-98-7
Synonyms: [2H5]-Tarka, [2H5]-RU-44570, [2H5]-Gopten, [2H5]-Odrik, [2H5]-Mavik, [2H5]- (2S,3aR,7aS)-1-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-(phenyl-d5)propyl]amino]-1-oxopropyl]octahydro-1H-Indole-2-carboxylic Acid
[2H4]-Dapsone
Product Number: C3775
CAS number: 1346602-12-7
Synonyms: [2H4]-4,4'-Sulfonylbis-benzenamine