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6-Aminouracil

Product Name
6-Aminouracil
CAS No.
873-83-6
Chemical Name
6-Aminouracil
Synonyms
6-AMINOPYRIMIDINE-2,4(1H,3H)-DIONE;6-AMINOPYRIMIDINE-2,4-DIOL;4-AMINO-2,6-DIHYDROXYPYRIMIDINE;4-ADHP;NSC 7367;NSC 15919;AKOS 92815;Aminuracil;Aminouracil;4-AMINOURACI
CBNumber
CB2355975
Molecular Formula
C4H5N3O2
Formula Weight
127.1
MOL File
873-83-6.mol
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6-Aminouracil Property

Melting point:
≥360 °C(lit.)
Boiling point:
235.85°C (rough estimate)
Density 
1.4748 (rough estimate)
refractive index 
1.5000 (estimate)
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
solubility 
DMSO (Slightly, Heated), Methanol (Slightly)
form 
Crystalline Powder
pka
3.76±0.10(Predicted)
color 
Cream to light brown
Water Solubility 
slightly soluble
BRN 
120491
InChI
InChI=1S/C4H5N3O2/c5-2-1-3(8)7-4(9)6-2/h1H,(H4,5,6,7,8,9)
InChIKey
LNDZXOWGUAIUBG-UHFFFAOYSA-N
SMILES
C1(=O)NC(N)=CC(=O)N1
CAS DataBase Reference
873-83-6(CAS DataBase Reference)
EPA Substance Registry System
2,4(1H,3H)-Pyrimidinedione, 6-amino- (873-83-6)
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Safety

Safety Statements 
22-24/25
WGK Germany 
3
RTECS 
YQ8750000
10-23
TSCA 
Yes
HS Code 
29335995
Toxicity
LDLo par-mus: 2400 mg/kg CBCCT* 7,696,55
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
A50606
Product name
6-Aminouracil
Purity
97%
Packaging
100g
Price
$72
Updated
2025/07/31
TCI Chemical
Product number
A0658
Product name
6-Aminouracil
Purity
>98.0%(T)
Packaging
25g
Price
$61
Updated
2025/07/31
TCI Chemical
Product number
A0658
Product name
6-Aminouracil
Purity
>98.0%(T)
Packaging
250g
Price
$357
Updated
2025/07/31
TRC
Product number
A604935
Product name
6-Amino-2,4-dihydroxypyrimidine
Packaging
250g
Price
$135
Updated
2021/12/16
Usbiological
Product number
A1377-08
Product name
6-Amino-2,4-dihydroxypyrimidine
Packaging
2.5g
Price
$312
Updated
2021/12/16
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6-Aminouracil Chemical Properties,Usage,Production

Chemical Properties

cream to light brown crystalline powder

Definition

ChEBI: 6-aminouracil is a pyrimidone.

Safety Profile

Moderately toxic by parenteralroute. When heated to decomposition it emits toxic fumesof NOx.

Synthesis

105-56-6

57-13-6

873-83-6

GENERAL METHOD: Ethyl cyanoacetate (0.1 mol) was mixed with urea, methylurea and/or methylthiourea (0.1 mol) in anhydrous ethanol (290 mL) containing sodium. The reaction mixture was refluxed for 10-12 hours and subsequently cooled to room temperature. Acidification was carried out by adjusting the pH to 6 with acetic acid. The resulting precipitate was washed with distilled water and dried in a desiccator overnight.1a was obtained in 69% yield with a melting point over 360°C (literature value ≥ 360°C).

Purification Methods

Purify the aminouracil by dissolving it in 3M aqueous NH3, filtering hot, and adding 3M formic acid until precipitation is complete. Cool, filter off (or centrifuge), wash well with cold H2O, then EtOH and dry it in air. Dry it further in a vacuum at ~80o. [Barlin & Pfeiderer J Chem Soc (B) 1424 1971, Beilstein 25 III/IV 4107.]

References

[1] Russian Journal of Organic Chemistry, 2002, vol. 38, # 7, p. 1053 - 1055
[2] Journal of Chemical Research, 2016, vol. 40, # 12, p. 771 - 777
[3] Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1996, vol. 35, # 7, p. 662 - 668
[4] Australian Journal of Chemistry, 2007, vol. 60, # 2, p. 120 - 123
[5] Oriental Journal of Chemistry, 2010, vol. 26, # 4, p. 1281 - 1292

6-Aminouracil Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 6-Aminouracil manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Product
6-Aminouracil 873-83-6
Price
US $25.00/ASSAYS
Min. Order
100ASSAYS
Purity
99.5%
Supply Ability
100 mt
Release date
2025-03-10
Henan Aochuang Chemical Co.,Ltd.
Product
6-Aminouracil 873-83-6
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
1Ton
Release date
2022-10-17
Shaanxi Dideu Medichem Co. Ltd
Product
6-Aminouracil 873-83-6
Price
US $1.00-1.00/KG
Min. Order
1g
Purity
99%
Supply Ability
50ton
Release date
2020-05-19

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