CAS 2749-59-9

1,3-Dimethyl-2-pyrazolin-5-one

Description:

1,3-Dimethyl-2-pyrazolin-5-one, with the CAS number 2749-59-9, is an organic compound belonging to the pyrazolone class of compounds. It is characterized by a five-membered ring structure containing two nitrogen atoms and a carbonyl group, which contributes to its reactivity and biological activity. This compound typically appears as a white to light yellow crystalline solid and is soluble in polar solvents such as water and alcohols. It exhibits properties such as being a weak acid and can participate in various chemical reactions, including condensation and substitution reactions. 1,3-Dimethyl-2-pyrazolin-5-one is known for its applications in medicinal chemistry, particularly as an analgesic and anti-inflammatory agent. Additionally, it serves as a reagent in analytical chemistry for the detection of certain metal ions. Its stability and reactivity make it a valuable compound in both research and industrial applications. Safety precautions should be taken when handling this substance, as with many organic compounds, to avoid potential health hazards.

Formula: C₅H₈N₂O

InChI: InChI=1/C5H8N2O/c1-4-3-5(8)7(2)6-4/h3,6H,1-2H3

InChI key: InChIKey=NDELSWXIAJLWOU-UHFFFAOYSA-N

SMILES: O=C1N(C)N=C(C)C1

Synonyms:

• 1,3-Dimethyl-1H-pyrazol-5(4H)-one
• 1,3-Dimethyl-4,5-dihydro-1H-pyrazol-5-one
• 1,3-Dimethyl-5-Pyrozolone
• 1,3-Dimethyl-5-pyrazolinone
• 1,3-Dimethyl-5-pyrazolone
• 1,3-Dimethylpyrazde-5-one
• 2,4-Dihydro-2,5-dimethyl-3H-pyrazol-3-one
• 2,5-Dimethyl-2,4-dihydro-pyrazol-3-one
• 2,5-Dimethyl-4H-pyrazol-3-one
• 2,5-dimethyl-1,2-dihydro-3H-pyrazol-3-one
• 2,5-dimethyl-2,4-dihydro-3H-pyrazol-3-one
• 2-Pyrazolin-5-one, 1,3-dimethyl-
• 3H-Pyrazol-3-one, 2,4-dihydro-2,5-dimethyl-
• NSC 304
• 1,3-dimethyl-2-pyrazolin-5-one
• 1,3-DIMETHYLPYRAZOLONE
• BUTTPARK 82\11-61
• 1,3-dimethyl-5-pyrazolone(DMP)
• 2,5-Dimethyl-2H-pyrazole-3(4H)-one
• 1,3-DIMETHYL-5-PYRAZOLONE 95+%

1,3-Dimethyl-5-pyrazolone

CAS: 2749-59-9

Formula: C₅H₈N₂O

Purity: >98.0%(T)(HPLC)

Color and Shape: White to Light red to Green powder to crystal

Molecular weight: 112.13

Ref: 3B-D2031

3H-​Pyrazol-​3-​one, 2,​4-​dihydro-​2,​5-​dimethyl-

CAS: 2749-59-9

Formula: C₅H₈N₂O

Purity: 99%

Color and Shape: Solid

Molecular weight: 112.1298

Ref: IN-DA00I57J

2,4-Dihydro-2,5-dimethyl-3H-pyrazol-3-one

CAS: 2749-59-9

2,4-Dihydro-2,5-dimethyl-3H-pyrazol-3-one

Purity: 98%

Color and Shape: Pale Yellow Powder

Molecular weight: 112.13g/mol

Ref: 54-OR26105

1,3-Dimethyl-5-pyrazolone

CAS: 2749-59-9

1,3-Dimethyl-5-pyrazolone is a tautomeric compound that can undergo a reversible reaction with metal carbonates to form alkali metal phenacyls. The reaction rate of 1,3-dimethyl-5-pyrazolone with potassium carbonate was found to be faster than the other alkali metals. The reaction products were found to be pyrazoles and phenacyls in the ratios 3:1 and 2:1 respectively. The active methylene group in this compound is sulfinyl, which has been shown to react with methyl alcohols to form methyl ethers. This compound is also an isomeric mixture of two enantiomers (1R,2S; 1S,2R).

Formula: C₅H₈N₂O

Purity: Min. 95%

Color and Shape: Powder

Molecular weight: 112.13 g/mol

Ref: 3D-FD22306

2,5-Dimethyl-2,4-dihydro-3H-pyrazol-3-one

CAS: 2749-59-9

Formula: C₅H₈N₂O

Purity: 99%

Color and Shape: Solid, Very pale yellow to pale reddish powder

Molecular weight: 112.132

Ref: 10-F068651

1,3-Dimethyl-5-pyrazolone

Controlled Product

CAS: 2749-59-9

Applications 1,3-Dimethyl-5-pyrazolone (cas# 2749-59-9) is a compound useful in organic synthesis.

Formula: C₅H₈N₂O

Color and Shape: Neat

Molecular weight: 112.13

Ref: TR-D479005