5-Bromo uracil

Name: 5-Bromo uracil
Brand: Vaqora Chemicals
SKU: VQ-046868

About 5-Bromo uracil

Vaqora Chemicals supplies 5-Bromo uracil, a diazine derivative registered under CAS number 51-20-7. Its molecular formula is C4H3BrN2O2 and its molecular weight is 190.98 g/mol. Systematically, it is named 5-bromo-1H-pyrimidine-2,4-dione. Alternative names: 5-bromopyrimidine-2,4(1H,3H)-dione and Uracil, 5-bromo-.

Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 5-Bromo uracil in 1 g, 5 g and 25 g packs, each shipped with a Certificate of Analysis (COA), and exports 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

Specifications & identifiers

Chemical identifiers
Product name	5-Bromo uracil
Catalogue No.	VQ-046868
CAS Number	51-20-7
IUPAC name	5-bromo-1H-pyrimidine-2,4-dione
Molecular formula	C₄H₃BrN₂O₂
Molecular weight	190.98 g/mol
Exact mass	189.9378
HSN code	29335990
InChIKey	LQLQRFGHAALLLE-UHFFFAOYSA-N
SMILES	C1=C(C(=O)NC(=O)N1)Br
PubChem CID	5802

Physical properties
Physical form	Other
LogP (XLogP3)	-0.2
H-bond donors / acceptors	2 / 2
TPSA	58.2 Å²
Synonyms	5-bromopyrimidine-2,4(1H,3H)-dione, Uracil, 5-bromo-, 5-Bromo-2,4(1H,3H)-pyrimidinedione, 5-Bromo-2,4-dihydroxypyrimidine, 2,4(1H,3H)-Pyrimidinedione, 5-bromo-, 5-bromo-1,2,3,4-tetrahydropyrimidine-2,4-dione, 5-BrU, 1,2,3,4-tetrahydro-5-bromo-2,4-pyrimidinedione, 5-bromopyrimidine-2,4-diol, 5-bromo-1,3-dihydropyrimidine-2,4-dione

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 51-20-7

AR

5-Bromo uracil, GR 98%+

CAS: 51-20-7
Formula: C₄H₃BrN₂O₂
MW: 190.98 g/mol

VQ-011957

Frequently asked questions

What is the CAS number of 5-Bromo uracil?

The CAS Registry Number of 5-Bromo uracil is 51-20-7. It is also known as 5-bromopyrimidine-2,4(1H,3H)-dione, Uracil, 5-bromo-, 5-Bromo-2,4(1H,3H)-pyrimidinedione.

What is the molecular formula and molecular weight of 5-Bromo uracil?

5-Bromo uracil has the molecular formula C4H3BrN2O2 and a molecular weight of 190.98 g/mol. Its IUPAC name is 5-bromo-1H-pyrimidine-2,4-dione.

Which grade and pack sizes of 5-Bromo uracil can I order?

We supply 5-Bromo uracil, 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-Bromo uracil?

Yes. Every lot of 5-Bromo uracil 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-Bromo uracil be shipped internationally?

Yes. 5-Bromo uracil 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.