ChemicalBook > CAS DataBase List > 1-Methylthyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid
1-Methylthyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid
- Product Name
- 1-Methylthyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid
- CAS No.
- 33972-97-3
- Chemical Name
- 1-Methylthyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid
- Synonyms
- 1-Methyl-2-oxo-1,2-dihydr...;1-Methyl-2-pyridone-4-carboxylic acid;1-methyl-2-oxopyridine-4-carboxylicaci;1-methyl-2-oxo-4-pyridinecarboxylic acid;1-methyl-2-oxopyridine-4-carboxylic acid;1-Methyl-2-oxo-1,2-dihydro-4-pyridine carboxylic a;1-methyl-2-oxo-1,2-dihydro-4-pyridinecarboxylic acid;4-Pyridinecarboxylic acid, 1,2-dihydro-1-Methyl-2-oxo-;1-Methylthyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid;1-methyl-2-oxo-1,2-dihydro-4-pyridinecarboxylic acid(SALTDATA: FREE)
- CBNumber
- CB61096213
- Molecular Formula
- C7H7NO3
- Formula Weight
- 153.14
- MOL File
- 33972-97-3.mol
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1-Methylthyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid Property
- Melting point:
- 260 °C
- Boiling point:
- 329.6±35.0 °C(Predicted)
- Density
- 1.381±0.06 g/cm3(Predicted)
- storage temp.
- Inert atmosphere,Room Temperature
- form
- solid
- pka
- 2.75±0.20(Predicted)
- Appearance
- Light yellow to yellow Solid
- InChI
- InChI=1S/C7H7NO3/c1-8-3-2-5(7(10)11)4-6(8)9/h2-4H,1H3,(H,10,11)
- InChIKey
- XUKWOJNDLIOXSC-UHFFFAOYSA-N
- SMILES
- C1(=O)N(C)C=CC(C(O)=O)=C1
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Safety
- WGK Germany
- 3
- HazardClass
- IRRITANT
- HS Code
- 2933399990
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P330Rinse mouth.
P332+P313IF SKIN irritation occurs: Get medical advice/attention.
P337+P313IF eye irritation persists: Get medical advice/attention.
P362Take off contaminated clothing and wash before reuse.
P403+P233Store in a well-ventilated place. Keep container tightly closed.
P405Store locked up.
P501Dispose of contents/container to..…
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- CBR00106
- Product name
- 1-Methyl-2-oxo-1,2-dihydro-4-pyridinecarboxylic acid
- Purity
- Aldrich
- Packaging
- 1g
- Price
- $356
- Updated
- 2025/07/31
TRC
- Product number
- B496025
- Product name
- 1-Methyl-2-oxo-1,2-dihydropyridine-4-carboxylicAcid
- Packaging
- 100mg
- Price
- $60
- Updated
- 2021/12/16
SynQuest Laboratories
- Product number
- 4H58-1-8N
- Product name
- 1-Methyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid
- Packaging
- 1g
- Price
- $75
- Updated
- 2021/12/16
Matrix Scientific
- Product number
- 020304
- Product name
- 1-Methyl-2-oxo-1,2-dihydro-pyridine-4-carboxylic acid
- Packaging
- 500mg
- Price
- $182
- Updated
- 2021/12/16
AK Scientific
- Product number
- 4035AB
- Product name
- 1-Methyl-2-oxo-1,2-dihydropyridine-4-carboxylicacid
- Packaging
- 10g
- Price
- $184
- Updated
- 2021/12/16
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1-Methylthyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid Chemical Properties,Usage,Production
Synthesis
20845-23-2
33972-97-3
GENERAL STEPS: Methyl 1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate (1 g, 1.0 eq.) was dissolved in 25 mL of methanol and 5 mL of an aqueous solution of lithium hydroxide monohydrate (755 mg, 3.0 eq.) was added with stirring. The reaction mixture was stirred at room temperature for 2 hours. Upon completion of the reaction, the solvent was removed by distillation under reduced pressure. An appropriate amount of water was added to the residue and the pH was adjusted to 1~3 with aqueous 3N hydrochloric acid. the resulting white solid product was collected by filtration, washed with water and dried to afford 1-methyl-2-oxo-1,2-dihydro-4-pyridinecarboxylic acid (540 mg, 60% yield). The product was characterized by 1H NMR (400 MHz, DMSO-d6): δ 13.56 (brs, 1H), 7.80 (d, J=1.2 Hz, 1H), 6.83 (d, J=1.6 Hz, 1H), 6.53 (d, J=6.8 Hz, 1H), 3.46 (s, 3H).
References
[1] Patent: WO2013/97773, 2013, A1. Location in patent: Paragraph 0229
[2] Patent: WO2007/67836, 2007, A2. Location in patent: Page/Page column 103
1-Methylthyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 1-Methylthyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid manufacturers
Shaanxi Dideu Medichem Co. Ltd
- Product
- 1-Methylthyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid 33972-97-3
- Price
- US $1.10/g
- Min. Order
- 1g
- Purity
- 99.0% min
- Supply Ability
- 100 tons min
- Release date
- 2021-05-13
Career Henan Chemical Co
- Product
- 1-Methylthyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid 33972-97-3
- Price
- US $6.60/KG
- Min. Order
- 1KG
- Purity
- 97%-99%
- Supply Ability
- 1kg-1000kg
- Release date
- 2019-12-26
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