ChemicalBook >> CAS DataBase List >>5,6-DIMETHYL-2-THIOURACIL

5,6-DIMETHYL-2-THIOURACIL

CAS No.
28456-54-4
Chemical Name:
5,6-DIMETHYL-2-THIOURACIL
Synonyms
DMTU;Nsc 60687;Brn 0118811;5,6-Dimethylthiouracil;5,6-dimethyl-2-thio-uraci;5,6-DIMETHYL-2-THIOURACIL;5,6-dimethyl-2-sulfururacil;Uracil, 5,6-dimethyl-2-thio-;5,6-dimethyl-2-Thiouracil (Standard);2-mercapto-5,6-dimethylpyrimidin-4-ol
CBNumber:
CB9689529
Molecular Formula:
C6H8N2OS
Molecular Weight:
156.21
MDL Number:
MFCD00278872
MOL File:
28456-54-4.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 05:43:36
Product description Number Pack Size Price
5,6-Dimethyl-2-thiouracil 97% 574554 1g $204
5,6-dimethyl-2-Thiouracil ≥95% 29821 500mg $54
5,6-dimethyl-2-Thiouracil ≥95% 29821 1g $96
5,6-dimethyl-2-Thiouracil ≥95% 29821 5g $392
5,6-Dimethyl-4-hydroxy-2-thiopyrimidine 95% OR7266 1g $83

5,6-DIMETHYL-2-THIOURACIL Properties

Melting point 284-288 °C(lit.)
Density 1.2069 (rough estimate)
refractive index 1.6490 (estimate)
storage temp. -20°C Freezer
solubility DMSO (Slightly), Methanol (Slightly, Heated)
form solid
pka 7.88±0.25(Predicted)
color White to Pale Yellow
Water Solubility 1.373g/L(25 ºC)
InChI 1S/C6H8N2OS/c1-3-4(2)7-6(10)8-5(3)9/h1-2H3,(H2,7,8,9,10)
InChIKey MEAKRQUSGACTFV-UHFFFAOYSA-N
SMILES CC1=C(C)C(=O)NC(=S)N1
EWG's Food Scores 1
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs Respiratory system
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
RTECS  YQ9887000
HazardClass  IRRITANT
HS Code  2933599590
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

5,6-DIMETHYL-2-THIOURACIL price More Price(35)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 574554 5,6-Dimethyl-2-thiouracil 97% 28456-54-4 1g $204 2026-04-30 Buy
Cayman Chemical 29821 5,6-dimethyl-2-Thiouracil ≥95% 28456-54-4 500mg $54 2026-04-30 Buy
Cayman Chemical 29821 5,6-dimethyl-2-Thiouracil ≥95% 28456-54-4 1g $96 2026-04-30 Buy
Cayman Chemical 29821 5,6-dimethyl-2-Thiouracil ≥95% 28456-54-4 5g $392 2026-04-30 Buy
Apolloscientific OR7266 5,6-Dimethyl-4-hydroxy-2-thiopyrimidine 95% 28456-54-4 1g $83 2026-06-04 Buy
Product number Packaging Price Buy
574554 1g $204 Buy
29821 500mg $54 Buy
29821 1g $96 Buy
29821 5g $392 Buy
OR7266 1g $83 Buy

5,6-DIMETHYL-2-THIOURACIL Chemical Properties,Uses,Production

Description

5,6-dimethyl-2-Thiouracil is a heterocyclic building block that has been used in the synthesis of anti-HIV-1 pyrimidinones. It has also been used as an internal standard for the quantification of thyreostats, including 2-thiouracil, in bovine plasma.

Uses

5,6-Dimethylthiouracil is a heterocyclic building block.

References

[1] NAVROTSKII M B. Synthesis and Anti-HIV-1 Activity of New 2-[(2-Phthalimidoethyl)thio]-4(3H)-pyrimidinone Derivatives[J]. Pharmaceutical Chemistry Journal, 2005, 29 1: 466-467. DOI: 10.1007/s11094-006-0002-1
[2] SCHMIDT K S. In-house validation and factorial effect analysis of a liquid chromatography–tandem mass spectrometry method for the determination of thyreostats in bovine blood plasma[J]. Analytical and Bioanalytical Chemistry, 2013, 406 3: 735-743. DOI: 10.1007/s00216-013-7517-6

5,6-DIMETHYL-2-THIOURACIL Preparation Products And Raw materials

Raw materials

Preparation Products

5,6-DIMETHYL-2-THIOURACIL Suppliers

Global( 78)Suppliers
Supplier Tel Email Country ProdList Advantage
Shaanxi Dideu Medichem Co. Ltd
+86-029-81138252 +86-173 9270 1263 1057@dideu.com China 3961 58
TargetMol Chemicals Inc.
+1-781-999-5354; +1-00000000000 marketing@targetmol.com United States 32431 58
HANGZHOU LEAP CHEM CO., LTD.
+86-571-87711850 +8619957148339 market18@leapchem.com China 24569 58
Aladdin Scientific
tp@aladdinsci.com United States 54746 58
Suzhou ARTK Medchem Co., Ltd.
+86-18168183658 sales1@artkmedchem.com China 39007 58
Amadis Chemical Company Limited
571-89925085 sales@amadischem.com China 131885 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Nanjing Chemlin Chemical Co., Ltd 025-83697070 13770331960 info@chemlin.com.cn China 16305 64
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Shanghai Run-Biotech Co., Ltd. 021-57171705 13817537615 sales@run-biotech.com China 2294 58

View Lastest Price from 5,6-DIMETHYL-2-THIOURACIL manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
5,6-dimethyl-2-Thiouracil pictures 2026-05-11 5,6-dimethyl-2-Thiouracil
28456-54-4
$178.00 10g TargetMol Chemicals Inc.
5,6-Dimethyl-2-thiouracil  pictures 2020-05-15 5,6-Dimethyl-2-thiouracil
28456-54-4
$1.00 1KG 99% 20T Shaanxi Dideu Medichem Co. Ltd

5,6-DIMETHYL-2-THIOURACIL Spectrum

5,6-dimethyl-2-sulfanylidene-1H-pyrimidin-4-one 5,6-dimethyl-2-thioxo-1H-pyrimidin-4-one 5,6-Dimethyl-2-thioxo-2,3-dihydropyrimidin-4(1H) 2-Mercapto-5,6-dimethylpyrimidin-4(3H)-one 5,6-DIMETHYL-2-THIOURACIL 5,6-dimethyl-2-thio-uraci 5,6-Dimethyl-4-hydroxy-2-thiopyrimidine 95% 2-Mercapto-5,6-dimethylpyrimidine-4-ol 5,6-Dimethyl-2(1H)-thioxopyrimidine-4(3H)-one 2-mercapto-5,6-dimethylpyrimidin-4-ol 4-pyrimidinol, 2-mercapto-5,6-dimethyl- 5,6-Dimethylthiouracil Brn 0118811 Nsc 60687 Uracil, 5,6-dimethyl-2-thio- 5,6-diMethyl-2-sulfanylpyriMidin-4-ol 5,6-Dimethyl-2-sulphanylpyrimidin-4-ol, 5,6-Dimethyl-4-hydroxy-2-mercapto-1,3-diazine 5,6-Dimethyl-4-hydroxy-2-thiopyrimidine 4(1H)-Pyrimidinone, 2,3-dihydro-5,6-dimethyl-2-thioxo- 5,6-dimethyl-2-sulfururacil 5,6-dimethyl-2-Thiouracil (Standard) DMTU 28456-54-4 Heterocyclic Building Blocks Pyrimidines Building Blocks Building Blocks Heterocyclic Compounds Heterocyclic Building Blocks Pyrimidines