5-Fluorouracil, AR >99%

Name: 5-Fluorouracil, AR >99%
Brand: Vaqora Chemicals
SKU: VQ-045988

About 5-Fluorouracil, AR >99%

5-Fluorouracil (CAS 51-21-8) is a fluorinated building block offered by Vaqora Chemicals (AR grade), specified at above 99% purity. Formula C4H3FN2O2, molecular weight 130.08 g/mol. The IUPAC name is 5-fluoro-1H-pyrimidine-2,4-dione. It is also known as Fluoroblastin or Carzonal.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing, academic and industrial research and agrochemical production.

Available in 1 g, 5 g and 25 g packs, 5-Fluorouracil is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	5-Fluorouracil, AR >99%
Catalogue No.	VQ-045988
CAS Number	51-21-8
IUPAC name	5-fluoro-1H-pyrimidine-2,4-dione
Molecular formula	C₄H₃FN₂O₂
Molecular weight	130.08 g/mol
Exact mass	130.0179
Grade	AR
Purity / assay	>99%
HSN code	29335990
InChIKey	GHASVSINZRGABV-UHFFFAOYSA-N
SMILES	C1=C(C(=O)NC(=O)N1)F
PubChem CID	3385

Physical properties
Physical form	Other
LogP (XLogP3)	-0.9
H-bond donors / acceptors	2 / 3
TPSA	58.2 Å²
Synonyms	Fluoroblastin, Carzonal, Timazin, 5-Fluoracil, Fluro Uracil, 5-Fluoruracil, 5-Fluoro-2,4(1H,3H)-pyrimidinedione, Effluderm (free base), Fluroblastin, 5-Fluoropyrimidine-2,4-dione, 2,4(1H,3H)-Pyrimidinedione, 5-fluoro-

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H340May cause genetic defects
H360May damage fertility or the unborn child
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P203, P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

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

Other grades of CAS 51-21-8

Extra Pure

5-Fluorouracil, 99%

CAS: 51-21-8
Formula: C₄H₃FN₂O₂
MW: 130.08 g/mol

VQ-010686

EP

5-Fluorouracil, EP

CAS: 51-21-8
Formula: C₄H₃FN₂O₂
MW: 130.08 g/mol

VQ-047067

Plant Culture

5-Fluorouracil, plant tissue culture tested ≥99%

CAS: 51-21-8
Formula: C₄H₃FN₂O₂
MW: 130.08 g/mol

VQ-045572

Frequently asked questions

What is the CAS number of 5-Fluorouracil, AR >99%?

The CAS Registry Number of 5-Fluorouracil, AR >99% is 51-21-8. It is also known as Fluoroblastin, Carzonal, Timazin.

What is the molecular formula and molecular weight of 5-Fluorouracil, AR >99%?

5-Fluorouracil, AR >99% has the molecular formula C4H3FN2O2 and a molecular weight of 130.08 g/mol. Its IUPAC name is 5-fluoro-1H-pyrimidine-2,4-dione.

Which grade and pack sizes of 5-Fluorouracil, AR >99% can I order?

We supply 5-Fluorouracil, AR >99% in AR (>99%) grade, in 1 g, 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 5-Fluorouracil, AR >99%?

Yes. Every lot of 5-Fluorouracil, AR >99% 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, AR >99% be shipped internationally?

Yes. 5-Fluorouracil, AR >99% 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.