5-Fluorouracil-13C,15N2

Name: 5-Fluorouracil-13C,15N2
Brand: Vaqora Chemicals
SKU: VQ-037332

About 5-Fluorouracil-13C,15N2

Listed under CAS 1189423-58-2, 5-Fluorouracil-13C,15N2 is a stable isotope labelled analogue related to Fluorouracil available from Vaqora Chemicals. The compound has the formula C4H3FN2O2, corresponding to a molecular weight of 133.06 g/mol. Its systematic (IUPAC) name is 5-fluoro-(213C,1,3-15N2)1H-pyrimidine-2,4-dione.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Its mass shift relative to the unlabelled analyte makes it a dependable internal standard for LC-MS/MS assays, improving accuracy in bioanalysis, therapeutic drug monitoring and method validation. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 5-Fluorouracil-13C,15N2 is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Fluorouracil

View every impurity, metabolite and intermediate we list for Fluorouracil.

Fluorouracil impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	5-Fluorouracil-13C,15N2
Catalogue No.	VQ-037332
CAS Number	1189423-58-2
IUPAC name	5-fluoro-(213C,1,3-15N2)1H-pyrimidine-2,4-dione
Molecular formula	C₄H₃FN₂O₂
Molecular weight	133.06 g/mol
Exact mass	133.0153
Grade	Reference Standard
HSN code	38229090
InChIKey	GHASVSINZRGABV-XZQGXACKSA-N
SMILES	C1=C(C(=O)[15NH][13C](=O)[15NH]1)F
PubChem CID	57369200

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.9
H-bond donors / acceptors	2 / 3
TPSA	58.2 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 5-Fluorouracil-13C,15N2?

The CAS Registry Number of 5-Fluorouracil-13C,15N2 is 1189423-58-2.

What is the molecular formula and molecular weight of 5-Fluorouracil-13C,15N2?

5-Fluorouracil-13C,15N2 has the molecular formula C4H3FN2O2 and a molecular weight of 133.06 g/mol. Its IUPAC name is 5-fluoro-(213C,1,3-15N2)1H-pyrimidine-2,4-dione.

What is 5-Fluorouracil-13C,15N2 used for?

5-Fluorouracil-13C,15N2 is supplied as a characterised reference material related to Fluorouracil. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 5-Fluorouracil-13C,15N2 can I order?

We supply 5-Fluorouracil-13C,15N2 in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 5-Fluorouracil-13C,15N2?

Yes. Every lot of 5-Fluorouracil-13C,15N2 is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 5-Fluorouracil-13C,15N2 be shipped internationally?

Yes. We export 5-Fluorouracil-13C,15N2 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.