ChemicalBook > CAS DataBase List > 2,4-Dichloro-5,6-dimethylpyrimidine

2,4-Dichloro-5,6-dimethylpyrimidine

Product Name: 2,4-Dichloro-5,6-dimethylpyrimidine
CAS No.: 1780-32-1
Chemical Name: 2,4-Dichloro-5,6-dimethylpyrimidine
Synonyms: 2,4-Dichloro-5,6-dimethylpyrimidine;PyriMidine, 2,4-dichloro-5,6-diMethyl-;2,4-Dichloro-5,6-dimethylpyrimidine ISO 9001：2015 REACH
CBNumber: CB41501252
Molecular Formula: C6H6Cl2N2
Formula Weight: 177.03
MOL File: 1780-32-1.mol

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2,4-Dichloro-5,6-dimethylpyrimidine Property

Melting point:: 70-71 °C(Solv: ethanol (64-17-5))
Boiling point:: 245.3±35.0 °C(Predicted)
Density: 1.337±0.06 g/cm3(Predicted)
storage temp.: under inert gas (nitrogen or Argon) at 2-8°C
pka: -1.72±0.39(Predicted)
Appearance: White to light yellow Solid

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Safety

HS Code: 2933599590

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC

Product number: D439693
Product name: 2,4-Dichloro-5,6-dimethylpyrimidine
Packaging: 100mg
Price: $65
Updated: 2021/12/16

TRC

Product number: D439693
Product name: 2,4-Dichloro-5,6-dimethylpyrimidine
Packaging: 1g
Price: $350
Updated: 2021/12/16

Matrix Scientific

Product number: 119084
Product name: 2,4-Dichloro-5,6-dimethylpyrimidine
Purity: 95+%
Packaging: 1g
Price: $360
Updated: 2021/12/16

AK Scientific

Product number: W3886
Product name: 2,4-Dichloro-5,6-dimethylpyrimidine
Packaging: 5g
Price: $448
Updated: 2021/12/16

SynQuest Laboratories

Product number: 3H32-5-NW
Product name: 2,4-Dichloro-5,6-dimethylpyrimidine
Purity: 98%
Packaging: 1g
Price: $296
Updated: 2021/12/16

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2,4-Dichloro-5,6-dimethylpyrimidine Chemical Properties,Usage,Production

Synthesis

26305-13-5

1780-32-1

General procedure for the synthesis of 2,4-dichloro-5,6-dimethylpyrimidine from 5,6-dimethyluracil: A mixture of 5,6-dimethyluracil (4.00 g, 28.5 mmol), phosphorochloride (60 mL, 0.642 mol), and dimethylformamide (0.08 mL, 1.03 mmol) was heated and refluxed for 23 hours at 110 °C. Upon completion of the reaction, the reaction mixture was cooled to room temperature and evaporated. Toluene (80 mL) was added to the residue and the mixture was subsequently concentrated. Cold water (160 mL) containing ice was added to the residue and the mixture was extracted with chloroform (3 x 60 mL). The organic layers were combined, washed with brine (2 x 150 mL), dried over anhydrous sodium sulfate, filtered and concentrated to give 2,4-dichloro-5,6-dimethylpyrimidine as a light yellow solid (4.37 g, 87% yield). The melting point of the product was 68-70 °C. 1H NMR (400 MHz, CDCl3) δ 2.55 (s, 3H), 2.34 (s, 3H). lRMS (ESI+) m/z 177.1.

References

[1] Patent: EP3239143, 2017, A2. Location in patent: Paragraph 0503
[2] Patent: WO2016/22460, 2016, A1. Location in patent: Page/Page column 140-141
[3] Patent: WO2017/66428, 2017, A1. Location in patent: Page/Page column 253
[4] Patent: WO2013/123401, 2013, A1. Location in patent: Page/Page column 40
[5] Nucleosides, Nucleotides and Nucleic Acids, 2004, vol. 23, # 11, p. 1707 - 1721

2,4-Dichloro-5,6-dimethylpyrimidine Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 2,4-Dichloro-5,6-dimethylpyrimidine manufacturers

Dideu Industries Group Limited

Product: 2,4-Dichloro-5,6-dimethylpyrimidine 1780-32-1
Price: US $1.10/g
Min. Order: 1g
Purity: 99.00%
Supply Ability: 100 Tons Min
Release date: 2021-12-07

Career Henan Chemical Co

Product: 2,4-Dichloro-5,6-dimethylpyrimidine 1780-32-1
Price: US $3.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 200KG
Release date: 2020-03-23

1780-32-1, 2,4-Dichloro-5,6-dimethylpyrimidineRelated Search:

2,4-Dichloro-5,6-dimethylpyrimidine

PyriMidine, 2,4-dichloro-5,6-diMethyl-

2,4-Dichloro-5,6-dimethylpyrimidine ISO 9001：2015 REACH

1780-32-1

pyrimidine

Heterocycle-Pyrimidine series

pharmacetical