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Application Area
Environmental
Environmental

Stable isotope-labeled compounds are used as environmental pollutant standards for the detection of air, water, soil, sediment and food.

Clinical diagnostic
Clinical diagnostic

In addition to treating various diseases, isotopes are used for imaging, diagnosis, and newborn screening.

Organic Chemistry
Organic Chemistry

Small molecule compounds labeled with stable isotopes can be used as chemical reference for chemical identification, qualitative, quantitative, detection, etc. Various types of NMR solvents can be used to study the structure, reaction mechanism and reaction kinetics of compounds.

Metabolic Research
Metabolic Research

Stable isotope labeling allows researchers to study metabolic pathways in vivo in a safe manner.

Trimethoprim-[13C3]

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General Information
Catalog: BLP-007528
CAS: 1189970-95-3
Molecular Formula: C11[13C]3H18N4O3
Molecular Weight: 293.30
Chemical Structure
Trimethoprim-[13C3]
Description Labelled Trimethoprim. Trimethoprim is a bacteriostatic antibiotic used mainly in the prophylaxis and treatment of urinary tract infections. It caused induction of DnaK, DnaJ, GroEL, ClpB, and IbpA/B Hsps. It binds to dihydrofolate reductase and inhibits the reduction of dihydrofolic acid (DHF) to tetrahydrofolic acid (THF).
Synonyms 5-[(3,4,5-(Trimethoxy-13C3)yphenyl)methyl]-2,4-pyrimidinediamine; 2,4-Diamino-5-[3',4',5'-(trimethoxy-13C3)benzyl]pyrimidine; Instalac-13C3; Monotrim-13C3; Proloprim-13C3; Syraprim-13C3; Tiempe-13C3; Trimanyl-13C3; Uretrim-13C3
IUPAC Name 5-[[3,4,5-tri((1-13C)methoxy)phenyl]methyl]pyrimidine-2,4-diamine
Related CAS 738-70-5 (unlabelled)
Isomeric SMILES [13CH3]OC1=CC(=CC(=C1O[13CH3])O[13CH3])CC2=CN=C(N=C2N)N
Canonical SMILES COC1=CC(=CC(=C1OC)OC)CC2=CN=C(N=C2N)N
InChI InChI=1S/C14H18N4O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15/h5-7H,4H2,1-3H3,(H4,15,16,17,18)/i1+1,2+1,3+1
InChI Key IEDVJHCEMCRBQM-VMIGTVKRSA-N
Melting Point 197-199°C
Solubility Soluble in DMSO (Slightly), Methanol (Slightly, Heated)
Appearance White to Off-white Solid
Storage Store at -20°C
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