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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.

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[13C,2H3]-7-Hydroxymethotrexate

Product Number: C289

CAS number: 5939-37-7 unlabeled

Synonyms: 13C-2H3-7-OHMTX, (S)-2-(4-(((2,4-Diamino-7-hydroxypteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioic acid-13C-d3, 4-Amino-7-hydroxy-10-methylpteroylglutamic acid-13C-d3, 7-Hydroxyamethopterin-13C-d3

[metabolites] 7-Hydroxymethotrexate

7-Hydroxymethotrexate

Product Number: C293

CAS number: 5939-37-7

Synonyms: 7-OHMTX, (S)-2-(4-(((2,4-Diamino-7-hydroxypteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioic acid, 4-Amino-7-hydroxy-10-methylpteroylglutamic acid, 7-Hydroxyamethopterin

[reference-standards] Periciazine oxalate salt

Periciazine oxalate salt

Product Number: C5320

CAS number: 2622-26-6 free base

Synonyms: 2-Cyano-10-[3-(4-hydroxypiperidino)propyl]phenothiazine oxalate salt, Aolept, Pericyazine oxalate salt, Propericyazine oxalate salt, Propericiazine oxalte salt