Cas no 108-26-9 (3-Methyl-1H-pyrazol-5(4H)-one)
3-Methyl-1H-pyrazol-5(4H)-one structure
Product Name:3-Methyl-1H-pyrazol-5(4H)-one
CAS No:108-26-9
MF:C4H6N2O
MW:98.1032404899597
MDL:MFCD00020699
CID:35483
PubChem ID:7920
Update Time:2025-04-18
3-Methyl-1H-pyrazol-5(4H)-one Chemical and Physical Properties
Names and Identifiers
-
- 3-Methyl-1H-pyrazol-5(4H)-one
- 3-Methyl-2-pyrazolin-5-one
- 3-methyl pyrazole-5-one
- 3-Methyl-5-pyrazolone
- 2,4-Dihydro-5-methyl-3H-pyrazol-3-one
- 3-methyl-1,4-dihydropyrazol-5-one
- Nickel(II) sulfate heptahydrate
- 5-Methyl-2,4-dihydro-pyrazol-3-one
- AURORA KA-6219
- TIMTEC-BB SBB004372
- Methyl-5-pyrazolone
- 3-Methyl-pyrazolon-(5)
- 3-methyl-2-pyrazolin-5-on
- 5-Methyl-3H-pyrazol-3-one
- 3-METHYL-5-PYRAZOLONE 98+%
- 5-methyl-2,4-dihydropyrazol-3-one
- NSC 4120
- 3-methyl-2-pyrazoline-5-one
- EINECS 203-565-3
- CS-W013724
- FT-0616077
- E83006
- J-512869
- AKOS003624833
- DTXSID2051554
- AC-4810
- AKOS025243276
- 3-methyl-1H-pyrazoline-5-one
- Q27286078
- 3Me5Oxopyrazol
- NSC4120
- NS00002624
- 3-Methyl-5-pyrazolone, Lonza quality, 99.0-100.3% (w/w) (T)
- AC8022
- 5-Methyl-2,4-dihydro-3H-pyrazol-3-one
- 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-
- EC 203-565-3
- BB 0242292
- 108-26-9
- EN300-16236
- 3-methyl-4,5-dihydro-1H-pyrazol-5-one
- M0491
- W-108724
- UNII-P378M0497D
- SY010796
- 5-Methyl-2,4-dihydro-3H-pyrazol-3-one #
- 3-Methyl-pyrazolon-(5) [German]
- 2-PYRAZOLIN-5-ONE, 3-METHYL-
- BRN 0606503
- Z50145989
- MFCD00020699
- STL137537
- DB-027098
- P378M0497D
- DTXCID6030106
- NSC-4120
-
- MDL： MFCD00020699
- Inchi： 1S/C4H6N2O/c1-3-2-4(7)6-5-3/h2H2,1H3,(H,6,7)
- InChI Key： NHLAPJMCARJFOG-UHFFFAOYSA-N
- SMILES： O=C1CC(C)=NN1
Computed Properties
- Exact Mass: 98.04800
- Monoisotopic Mass: 98.048
- Isotope Atom Count: 0
- Hydrogen Bond Donor Count: 1
- Hydrogen Bond Acceptor Count: 3
- Heavy Atom Count: 7
- Rotatable Bond Count: 0
- Complexity: 128
- Covalently-Bonded Unit Count: 1
- Defined Atom Stereocenter Count: 0
- Undefined Atom Stereocenter Count : 0
- Defined Bond Stereocenter Count: 0
- Undefined Bond Stereocenter Count: 0
- Surface Charge: 0
- Tautomer Count: 5
- XLogP3: -0.5
- Topological Polar Surface Area: 41.5A^2
Experimental Properties
- Color/Form: Not determined
- Density: 1.1890 (rough estimate)
- Melting Point: 220.0 to 224.0 deg-C
- Boiling Point: 183.6°C (rough estimate)
- Flash Point: 141.1℃
- Refractive Index: 1.4327 (estimate)
- Solubility: Slightly soluble in ethanol.
- PSA: 41.46000
- LogP: -0.35340
- Solubility: Not determined
3-Methyl-1H-pyrazol-5(4H)-one Security Information
-
Symbol:
- Prompt：warning
- Signal Word：Warning
- Hazard Statement： H315,H319,H335
-
Warning Statement：
P261,P305
P351
P338,P302
P352,P321,P405,P501A - Hazardous Material transportation number：NONH for all modes of transport
- WGK Germany：3
- Hazard Category Code： R36/37/38: irritating to eyes, respiratory tract and skin
- Safety Instruction： S24/25
- RTECS：UQ9451500
- Safety Term：S24/25
- TSCA：Yes
- Storage Condition：Sealed in dry,Room Temperature
- Risk Phrases：R36/37/38
3-Methyl-1H-pyrazol-5(4H)-one Customs Data
- HS CODE：2933199090
- Customs Data：
China Customs Code:
2933199090Overview:
2933199090. Other structurally non fused pyrazole ring compounds. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%
Declaration elements:
Product Name, component content, use to, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date
Summary:
2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
3-Methyl-1H-pyrazol-5(4H)-one Pricemore >>
| Related Categories | No. | Product Name | Cas No. | Purity | Specification | Price | update time | Inquiry |
|---|---|---|---|---|---|---|---|---|
| Fluorochem | 077205-25g |
3-Methyl-2-pyrazolin-5-one |
108-26-9 | 98% | 25g |
￡10.00 | 2022-03-01 | |
| Fluorochem | 077205-100g |
3-Methyl-2-pyrazolin-5-one |
108-26-9 | 98% | 100g |
￡18.00 | 2022-03-01 | |
| SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd. | M121614-100g |
3-Methyl-1H-pyrazol-5(4H)-one |
108-26-9 | 98% | 100g |
￥94.90 | 2023-09-02 | |
| SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd. | M121614-10g |
3-Methyl-1H-pyrazol-5(4H)-one |
108-26-9 | 98% | 10g |
￥33.90 | 2023-09-02 | |
| SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd. | M121614-1kg |
3-Methyl-1H-pyrazol-5(4H)-one |
108-26-9 | 98% | 1kg |
￥711.90 | 2023-09-02 | |
| SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd. | M121614-250g |
3-Methyl-1H-pyrazol-5(4H)-one |
108-26-9 | 98% | 250g |
￥188.90 | 2023-09-02 | |
| SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd. | M121614-25g |
3-Methyl-1H-pyrazol-5(4H)-one |
108-26-9 | 98% | 25g |
￥36.90 | 2023-09-02 | |
| SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd. | M121614-50g |
3-Methyl-1H-pyrazol-5(4H)-one |
108-26-9 | 98% | 50g |
￥59.90 | 2023-09-02 | |
| SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd. | M121614-5g |
3-Methyl-1H-pyrazol-5(4H)-one |
108-26-9 | 98% | 5g |
￥29.90 | 2023-09-02 | |
| SHANG HAI YI EN HUA XUE JI SHU Co., Ltd. | R007739-10g |
3-Methyl-1H-pyrazol-5(4H)-one |
108-26-9 | 98% | 10g |
￥27 | 2024-05-26 |
3-Methyl-1H-pyrazol-5(4H)-one Related Literature
-
Gloria Belén Ramírez-Rodríguez,José Manuel Delgado-López,Jaime Gómez-Morales CrystEngComm, 2013,15, 2206-2212
-
Yong Ping Huang,Tao Tao,Zheng Chen,Wei Han,Ying Wu,Chunjiang Kuang,Shaoxiong Zhou,Ying Chen J. Mater. Chem. A, 2014,2, 18831-18837
-
Xu Jie,Deng Xu,Weili Wei RSC Adv., 2019,9, 29149-29153
-
Vitaly Gurylev,Chung-Yi Su,Tsong-Pyng Perng Phys. Chem. Chem. Phys., 2016,18, 16033-16038
-
Domenico Lombardo,Gianmarco Munaò,Pietro Calandra,Luigi Pasqua,Maria Teresa Caccamo Phys. Chem. Chem. Phys., 2019,21, 11983-11991
Related Categories
- Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Azolines Pyrazolines Pyrazolones
- Pharmaceutical and Biochemical Products Medicinal Building Blocks Heterocyclic Building Blocks
- Solvents and Organic Chemicals Organic Compounds Heterocyclic Compounds
- Pharmaceutical and Biochemical Products Pharmaceutical Intermediates
108-26-9 (3-Methyl-1H-pyrazol-5(4H)-one) Related Products
- 35087-28-6(5-Ethyl-1H-pyrazol-3-ol)
- 332062-08-5(Fmoc-S-3-amino-4,4-diphenyl-butyric acid)
- 1270529-38-8(1,2,3,4,5,6-Hexahydro-[2,3]bipyridinyl-6-ol)
- 2680771-01-9(4-cyclopentyl-3-{(prop-2-en-1-yloxy)carbonylamino}butanoic acid)
- 2098070-20-1(2-(3-(Pyridin-3-yl)-1H-pyrazol-1-yl)acetimidamide)
- 1444113-98-7(N-(3-cyanothiolan-3-yl)-2-[(2,2,2-trifluoroethyl)sulfanyl]pyridine-4-carboxamide)
- 941977-17-9(N'-(3-chloro-2-methylphenyl)-N-2-(dimethylamino)-2-(naphthalen-1-yl)ethylethanediamide)
- 2138166-62-6(2,2-Difluoro-3-[methyl(2-methylbutyl)amino]propanoic acid)
- 89640-58-4(2-Iodo-4-nitrophenylhydrazine)
- 1449132-38-0(3-Fluoro-5-(2-fluoro-5-methylbenzylcarbamoyl)benzeneboronic acid)
Recommended suppliers
Xiamen PinR Bio-tech Co., Ltd.
Gold Member
Audited Supplier
CN Supplier
Bulk
Zhejiang Brunova Technology Co., Ltd.
Gold Member
Audited Supplier
CN Supplier
Bulk
HANGZHOU BAIS CHEMICAL TECHNOLOGY CO., LTD.
Gold Member
Audited Supplier
CN Supplier
Reagent
Jinta Yudi Pharmaceutical Technology Co., Ltd.
Gold Member
Audited Supplier
CN Supplier
Bulk
Jiangsu Xinsu New Materials Co., Ltd
Gold Member
Audited Supplier
CN Supplier
Bulk
