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The wide portfolio of Alsachim's reference standards covers a broad range of applications: pharmaceutical, environmental analysis, food and beverages, doping, toxicology and forensic analysis. 

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[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] Triclosan

Triclosan

Product Number: C4536

CAS number: 3380-34-5

Synonyms: Irgasan, 5-Chloro-2-(2,4-dichlorophenoxy)phenol

[reference-standards] Isoproturon

Isoproturon

Product Number: C7735

CAS number: 34123-59-6 unlabeled

Synonyms: 3-(4-Isopropylphenyl)-1,1-dimethylurea