Fluorouracil EP Impurity D

Name: Fluorouracil EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-022680

About Fluorouracil EP Impurity D

Fluorouracil EP Impurity D (CAS 6623-81-0) is a pharmacopeial impurity of Fluorouracil offered by Vaqora Chemicals. Its molecular formula is C5H6N2O3 and its molecular weight is 142.11 g/mol. The IUPAC name is 5-methoxy-1H-pyrimidine-2,4-dione. Alternative names: 5-Methoxyuracil and Fluorouracil - Impurity D.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Fluorouracil, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Fluorouracil EP Impurity D in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Fluorouracil

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

Fluorouracil impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Fluorouracil EP Impurity D
Catalogue No.	VQ-022680
CAS Number	6623-81-0
IUPAC name	5-methoxy-1H-pyrimidine-2,4-dione
Molecular formula	C₅H₆N₂O₃
Molecular weight	142.11 g/mol
Exact mass	142.0378
Grade	Reference Standard
HSN code	38229090
InChIKey	KELXHQACBIUYSE-UHFFFAOYSA-N
SMILES	COC1=CNC(=O)NC1=O
PubChem CID	81100

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.8
H-bond donors / acceptors	2 / 3
TPSA	67.4 Å²
Synonyms	5-Methoxyuracil, Fluorouracil - Impurity D, 5-methoxypyrimidine-2,4-diol, 5-methoxypyrimidine-2,4(1H,3H)-dione, 2,4-Dihydroxy-5-methoxypyrimidine, 5-Methoxy-2,4-pyrimidinediol, 5-Methoxy-2,4-dihydroxypyrimidine, 2,4(1H,3H)-pyrimidinedione, 5-methoxy-, 5-Methoxy-2,4-pyrimidinedione, 5-methoxy-1,2,3,4-tetrahydropyrimidine-2,4-dione, 5-Methoxypyrimidine-2,4(1H,3H)-dione (5-Methoxyuracil), 5-Methoxy-2,4-pyrimidin

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Fluorouracil EP Impurity D?

The CAS Registry Number of Fluorouracil EP Impurity D is 6623-81-0. It is also known as 5-Methoxyuracil, Fluorouracil - Impurity D, 5-methoxypyrimidine-2,4-diol.

What is the molecular formula and molecular weight of Fluorouracil EP Impurity D?

Fluorouracil EP Impurity D has the molecular formula C5H6N2O3 and a molecular weight of 142.11 g/mol. Its IUPAC name is 5-methoxy-1H-pyrimidine-2,4-dione.

What is Fluorouracil EP Impurity D used for?

Fluorouracil EP Impurity D 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 Fluorouracil EP Impurity D can I order?

We supply Fluorouracil EP Impurity D 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 Fluorouracil EP Impurity D?

Yes. Every lot of Fluorouracil EP Impurity D 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 Fluorouracil EP Impurity D be shipped internationally?

Yes. Fluorouracil EP Impurity D is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.