CAS 51-21-8: 5-Fluorouracil

Formula:C₄H₃FN₂O₂

InChI:InChI=1S/C4H3FN2O2/c5-2-1-6-4(9)7-3(2)8/h1H,(H2,6,7,8,9)

InChI key:InChIKey=GHASVSINZRGABV-UHFFFAOYSA-N

SMILES:O=C1NC=C(F)C(=O)N1

Synonyms:
1-fluoropyrimidine-2,4(1H,3H)-dione
2,4(1H,3H)-Pyrimidinedione, 5-fluoro-
2,4-Dihydroxy-5-fluoropyrimidine
2,4-Dioxo-5-fluoropyrimidine
5-Fluoracyl
5-Fluoro Uracil
5-Fluoro-1H-pyrimidine-2,4-dione
5-Fluoro-2,4(1H,3H)-pyrimidinedione
5-Fluoro-2,4-(1H,3H)-pyrimidindion
5-Fluoro-2,4-Pyrimidinedione
See more synonyms
5-Fluoro-2,4-dihydroxypyrimidine
5-Fluoropyrimidine-2,4-Dione
5-Fluoropyrimidine-2,4-diol
5-Fluoruracil
5-Fu
5-Oncouracil
Adrucil
Arumel
Carac
Carzonal
Efudex
Efudix
Efurix
FU
Fluoracil
Fluoroblastin
Fluoroplex
Fluorouracil
Fluorouracil, 5-
Fluorouracile
Fluorouracile Accord
Fluorouracilo
Fluorouracilum
Fluoruracil
Flurablastin
Fluracedyl
Fluracil
Fluracilum
Fluri
Fluril
Ftoruracil
Kecimeton
Nsc 19893
Phthoruracil
Phtoruracil
Queroplex
Ro 2-9757
Sigma 03738
Tegadifure
Timazin
U 8953
Ulup
Uracil, 5-Fluoro-

Found 22 products.

Product data	Purity	Price range	Estimated delivery
5-Fluorouracil REF: 3B-F0151CAS: 51-21-8	>99.0%(T)(HPLC)	40.00 €~104.00 €	Mon 24 Feb 25
5-Fluorouracil, 99% REF: 02-A13456CAS: 51-21-8	99%	To inquire	Tue 25 Feb 25
5-Fluorouracil, 99% REF: AC-22844CAS: 51-21-8	99%	To inquire	Tue 25 Feb 25
Fluorouracil REF: 47-995CAS: 51-21-8	- - -	211.00 €	Thu 27 Feb 25
Fluorouracil RS REF: 41-ICRS0312CAS: 51-21-8	- - -	102.00 €	Thu 27 Feb 25
Fluorouracil CRS REF: 41-F0250000CAS: 51-21-8	- - -	115.00 €	Thu 27 Feb 25
Fluorouracil REF: 45-1279000CAS: 51-21-8	- - -	463.00 €	Fri 28 Feb 25
5-Fluorouracil REF: IN-DA003MRUCAS: 51-21-8	98%	21.00 €~180.00 €	Mon 03 Mar 25
5-Fluorouracil REF: TM-T0984CAS: 51-21-8	100% - 99.98%	35.00 €~52.00 €	Mon 03 Mar 25
Fluorouracil-13C-15N2 REF: 4Z-F-532CAS: 51-21-8	- - -	To inquire	Tue 04 Mar 25
5-Fluorouracil REF: 54-PC4380CAS: 51-21-8	99%	32.00 €~62.00 €	Tue 04 Mar 25
5-Fluorouracil REF: 7W-GP6168CAS: 51-21-8	≥ 99.0%	33.00 €~219.00 €	Tue 04 Mar 25
Fluorouracil REF: 4Z-F-536CAS: 51-21-8	- - -	To inquire	Tue 04 Mar 25
5-Fluorouracil REF: 10-F003241CAS: 51-21-8	98.0%	29.00 €~370.00 €	Tue 04 Mar 25
Fluorouracil REF: 86-MM0593.00-0250CAS: 51-21-8	- - -	899.00 €	Tue 04 Mar 25
5-Fluorouracil REF: 04-C13799500CAS: 51-21-8	- - -	70.00 €	Tue 04 Mar 25
5-Fluorouracil REF: 54-BIF0123CAS: 51-21-8	99.78% (lc-ms) (Typical Value in Batch COA)	32.00 €~152.00 €	Mon 10 Mar 25
5-Fluoro Uracil REF: TR-F596000CAS: 51-21-8	- - -	225.00 €~897.00 €	Tue 11 Mar 25
5-Fluorouracil - Bio-X ™ REF: 3D-BF166014CAS: 51-21-8	Min. 95%	148.00 €	Wed 12 Mar 25
5-Fluorouracil REF: 3D-FF05372CAS: 51-21-8	Min. 95%	108.00 €~4,332.00 €	Wed 12 Mar 25
5-Fluorouracil (5-FU) Exiplus, Multi-Compendial, 99% REF: SR-59333CAS: 51-21-8	min. 99%	51.00 €~125.00 €	Mon 31 Mar 25
5-Fluorouracil (5-FU) extrapure, 99% REF: SR-15088CAS: 51-21-8	min. 99%	- - -	Discontinued product

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5-Fluorouracil

CAS:51-21-8

Formula:

C₄H₃FN₂O₂

Purity:

>99.0%(T)(HPLC)

Color and Shape:

White to Almost white powder to crystal

Molecular weight:

130.08

Ref: 3B-F0151

5g		40.00 €
25g		104.00 €

Estimated delivery in United States, on Monday 24 Feb 2025

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5-Fluorouracil, 99%

CAS:51-21-8

5-Fluorouracil is used as an antitumor agent in the treatment of anal, breast, colorectal, oesophageal, …

Formula:

C₄H₃FN₂O₂

Purity:

99%

Color and Shape:

Crystalline powder, White to pale cream

Molecular weight:

130.08

Ref: 02-A13456

5g		59.00 €
25g		199.00 €
100g		To inquire

Estimated delivery in United States, on Tuesday 25 Feb 2025

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5-Fluorouracil, 99%

CAS:51-21-8

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …

Formula:

C₄H₃FN₂O₂

Purity:

99%

Color and Shape:

White to off-white, Crystalline powder

Molecular weight:

130.08

Ref: AC-22844

1g		32.00 €
5g		To inquire
25g		298.00 €

Estimated delivery in United States, on Tuesday 25 Feb 2025

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Fluorouracil

CAS:51-21-8

Color and Shape:

White

Ref: 47-995

40mg 211.00 €

Estimated delivery in United States, on Thursday 27 Feb 2025

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Fluorouracil RS

CAS:51-21-8

Formula:

C₄H₃FN₂O₂

Molecular weight:

130.0772

Ref: 41-ICRS0312

100mg 102.00 €

Estimated delivery in United States, on Thursday 27 Feb 2025

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Fluorouracil CRS

CAS:51-21-8

Ref: 41-F0250000

35mg 115.00 €

Estimated delivery in United States, on Thursday 27 Feb 2025

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Fluorouracil

CAS:51-21-8

Drugs containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure

Formula:

C₄H₃FN₂O₂

Color and Shape:

White Off-White Powder

Molecular weight:

130.01786

United States Pharmacopoeia (USP) Solutions and Reagents

Ref: 45-1279000

250mg 463.00 €

Estimated delivery in United States, on Friday 28 Feb 2025

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5-Fluorouracil

CAS:51-21-8

Formula:

C₄H₃FN₂O₂

Purity:

98%

Color and Shape:

Solid

Molecular weight:

130.0772

Ref: IN-DA003MRU

5g		21.00 €
10g		25.00 €
1kg		180.00 €
25g		26.00 €
50g		35.00 €
100g		49.00 €
250g		89.00 €
500g		131.00 €

Estimated delivery in United States, on Monday 3 Mar 2025

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5-Fluorouracil

CAS:51-21-8

5-Fluorouracil (5-FU) is a uracil analog, an inhibitor of DNA synthesis.

Formula:

C₄H₃FN₂O₂

Purity:

100% - 99.98%

Color and Shape:

White To Practically White Crystalline Powder Neoplastic Drug Chemosterilant For Insects (Epa 1998)

Molecular weight:

130.08

Ref: TM-T0984

1g		52.00 €
100mg		35.00 €

Estimated delivery in United States, on Monday 3 Mar 2025

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Fluorouracil-13C-15N2

CAS:51-21-8

Formula:

C₃₁₃CH₃F₁₅N₂O₂

Color and Shape:

Pale Yellow Solid

Molecular weight:

133.06

Ref: 4Z-F-532

5mg		To inquire
10mg		To inquire
25mg		To inquire
50mg		To inquire
100mg		To inquire

Estimated delivery in United States, on Tuesday 4 Mar 2025

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5-Fluorouracil

CAS:51-21-8

Formula:

C₄H₃FN₂O₂

Purity:

99%

Color and Shape:

white solid

Molecular weight:

130.08g/mol

Building Blocks

Ref: 54-PC4380

25g		32.00 €
100g		62.00 €

Estimated delivery in United States, on Tuesday 4 Mar 2025

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5-Fluorouracil

CAS:51-21-8

Formula:

C₄H₃FN₂O₂

Purity:

≥ 99.0%

Color and Shape:

White to almost white crystalline powder

Molecular weight:

130.08

Ref: 7W-GP6168

5g		33.00 €
25g		89.00 €
100g		219.00 €

Estimated delivery in United States, on Tuesday 4 Mar 2025

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Fluorouracil

CAS:51-21-8

Formula:

C₄H₃FN₂O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

130.08

Ref: 4Z-F-536

5mg		To inquire
10mg		To inquire
25mg		To inquire
50mg		To inquire
100mg		To inquire

Estimated delivery in United States, on Tuesday 4 Mar 2025

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5-Fluorouracil

CAS:51-21-8

Purity:

98.0%

Color and Shape:

Solid

Molecular weight:

130.0780029296875

Ref: 10-F003241

5g		29.00 €
1kg		370.00 €
25g		30.00 €
100g		56.00 €
500g		204.00 €

Estimated delivery in United States, on Tuesday 4 Mar 2025

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Fluorouracil

Controlled Product

CAS:51-21-8

Formula:

C₄H₃FN₂O₂

Color and Shape:

Neat

Molecular weight:

130.08

Toxicology

Ref: 86-MM0593.00-0250

250mg 899.00 €

Estimated delivery in United States, on Tuesday 4 Mar 2025

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5-Fluorouracil

Controlled Product

CAS:51-21-8

Formula:

C₄H₃FN₂O₂

Color and Shape:

Neat

Molecular weight:

130.08

Ref: 04-C13799500

100mg 70.00 €

Estimated delivery in United States, on Tuesday 4 Mar 2025

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5-Fluorouracil

CAS:51-21-8

Formula:

C₄H₃FN₂O₂

Purity:

99.78% (lc-ms) (Typical Value in Batch COA)

Color and Shape:

white to off-white solid

Molecular weight:

130.08g/mol

Ref: 54-BIF0123

25g		32.00 €
100g		48.00 €
500g		152.00 €

Estimated delivery in United States, on Monday 10 Mar 2025

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5-Fluoro Uracil

Controlled Product

CAS:51-21-8

Impurity Flucytosine EP Impurity A Applications 5-Fluoro Uracil is is an DNA/RNA synthesis inhibitor. It …

Formula:

C₄H₃FN₂O₂

Color and Shape:

White

Molecular weight:

130.08

Ref: TR-F596000

1g		225.00 €
10g		238.00 €
100g		897.00 €

Estimated delivery in United States, on Tuesday 11 Mar 2025

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5-Fluorouracil - Bio-X ™

CAS:51-21-8

5-Fluorouracil is a cytotoxic drug that inhibits the synthesis of DNA. It is used in …

Formula:

C₄H₃FN₂O₂

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

130.08 g/mol

Ref: 3D-BF166014

100mg 148.00 €

Estimated delivery in United States, on Wednesday 12 Mar 2025

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5-Fluorouracil

CAS:51-21-8

5-Fluorouracil is a cytotoxic drug used to treat cancer. It is a prodrug that is …

Formula:

C₄H₃FN₂O₂

Purity:

Min. 95%

Color and Shape:

White Powder

Molecular weight:

130.08 g/mol

Ref: 3D-FF05372

1kg		1,063.00 €
2kg		1,933.00 €
5kg		4,332.00 €
250g		355.00 €
500g		595.00 €

Estimated delivery in United States, on Wednesday 12 Mar 2025

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5-Fluorouracil (5-FU) Exiplus, Multi-Compendial, 99%

CAS:51-21-8

Formula:

C₄H₃FN₂O₂

Purity:

min. 99%

Color and Shape:

White to off white, Crystalline powder, Clear, Colourless

Molecular weight:

130.08

Biochemicals and Reagents

Ref: SR-59333

5g		51.00 €
25g		125.00 €

Estimated delivery in United States, on Monday 31 Mar 2025

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5-Fluorouracil (5-FU) extrapure, 99%

CAS:51-21-8

Formula:

C₄H₃FN₂O₂

Purity:

min. 99%

Color and Shape:

White to off white, Crystalline powder, Clear, Colourless

Molecular weight:

130.08

Biochemicals and Reagents

Ref: SR-15088

1g	Discontinued	Request information
5g	Discontinued	Request information
25g	Discontinued	Request information

Discontinued product

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