TOPRAMEZONE
- CAS No.
- 210631-68-8
- Chemical Name:
- TOPRAMEZONE
- Synonyms
- [3-(4,5-Dihydro-3-isoxazolyl)-2-methyl-4-(methylsulfonyl)phenyl](5-hydroxy-1-methyl-1H-pyrazol-4-yl)methanone;Methanone, [3-(4,5-dihydro-3-isoxazolyl)-2-methyl-4-(methylsulfonyl)phenyl](5-hydroxy-1-methyl-1H-pyrazol-4-yl)-;bas 670;Hsdb 7500;opramezone;Impact(TM);TOPRAMEZONE;Pyrthalonil;Topramezone 97%;Topramezone [iso]
- CBNumber:
- CB2501011
- Molecular Formula:
- C16H17N3O5S
- Molecular Weight:
- 363.39
- MDL Number:
- MFCD09953760
- MOL File:
- 210631-68-8.mol
| Product description | Number | Pack Size | Price |
| Topramezone PESTANAL | 34225 | 100mg | $415 |
| Topramezone | T542513 | 100mg | $255 |
| TOPRAMEZONE 95.00% | PST0000929 | 5MG | $497.22 |
| More product size | |||
| Boiling point | 590.5±60.0 °C(Predicted) |
|---|---|
| Density | 1.49±0.1 g/cm3(Predicted) |
| solubility | Chloroform (Slightly, Heated), Water (Slightly, Heated) |
| pka | 6.35±0.50(Predicted) |
| form | Solid |
| color | Light yellow to yellow |
| InChI | InChI=1S/C16H17N3O5S/c1-9-10(15(20)11-8-17-19(2)16(11)21)4-5-13(25(3,22)23)14(9)12-6-7-24-18-12/h4-5,8,21H,6-7H2,1-3H3 |
| InChIKey | IYMLUHWAJFXAQP-UHFFFAOYSA-N |
| SMILES | C(C1=CC=C(S(C)(=O)=O)C(C2CCON=2)=C1C)(C1=C(O)N(C)N=C1)=O |
| LogP | 0.957 (est) |
| FDA UNII | W4934JAQ65 |
| EPA Substance Registry System | Methanone, [3-(4,5-dihydro-3-isoxazolyl)-2-methyl-4-(methylsulfonyl)phenyl](5-hydroxy-1-methyl-1H-pyrazol-4-yl)- (210631-68-8) |
| UNSPSC Code | 41116107 |
| NACRES | NA.24 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() ![]() GHS08,GHS09 |
|---|---|
| Signal word | Danger |
| Hazard statements | H360D-H410 |
| Precautionary statements | P202-P273-P280-P308+P313-P391-P405 |
| Hazard Codes | T,N |
| Risk Statements | 61-50/53 |
| Safety Statements | 53-45-60-61 |
| RIDADR | UN3077 9/PG 3 |
| WGK Germany | 1 |
| Hazardous Substances Data | 210631-68-8(Hazardous Substances Data) |
TOPRAMEZONE price More Price(3)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 34225 | Topramezone PESTANAL | 210631-68-8 | 100mg | $415 | 2025-07-31 | Buy |
| TRC | T542513 | Topramezone | 210631-68-8 | 100mg | $255 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | PST0000929 | TOPRAMEZONE 95.00% | 210631-68-8 | 5MG | $497.22 | 2021-12-16 | Buy |
TOPRAMEZONE Chemical Properties,Uses,Production
Description
Topramezone is a highly flexible post-emergent herbicide that's safe for use on all field and specialty maize regardless of trait.
Uses
Topramezone is a herbicide that belongs to the class of pyrazolones or benzoylpyrazoles. It can be used to control broad leaved weeds and grass weeds in maize crop protection.
Definition
ChEBI: An aromatic ketone that is phenyl 1H-pyrazol-4-yl ketone in which the pyrazolyl group is substituted at positions 1 and 5 by methyl and hydroxy groups, respectively, and in which the phenyl group is substituted at positions 2, 3, and 4 b methyl, 4,5-dihydro-1,2-oxazol-3-yl, and methylsulfonyl groups, respectively. A potent inhibitor of 4-hydroxyphenylpyruvate dioxygenase (HPPD) that is rapily metabolised by corn to non-active substances, it is used as a herbicide for the treatment of broa leaf weeds.




TOPRAMEZONE Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Huizhili (Changzhou) Life Technology Co., Ltd | +8613906110102 | 13906110102@139.com | China | 16 | 58 |
| Dideu Industries Group Limited | +86-29-89586680 +86-15129568250 | 1026@dideu.com | China | 20284 | 58 |
| Hebei Xinsheng New Material Technology Co., LTD. | +86-16632316109 | xinshengkeji@xsmaterial.com | China | 1085 | 58 |
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28172 | 58 |
| Hubei xin bonus chemical co. LTD | 86-13657291602 | linda@hubeijusheng.com | CHINA | 22963 | 58 |
| Finetech Industry Limited | +86-27-8746-5837 +8619945049750 | info@finetechnology-ind.com | China | 9629 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418684 +8618949823763 | sales@tnjchem.com | China | 25356 | 58 |
| GIHI CHEMICALS CO.,LIMITED | +8618058761490 | info@gihichemicals.com | China | 49937 | 58 |
| SUZHOU SENFEIDA CHEMICAL CO.,LTD | +86-0512-83500002 +8618662433356 | 3899766280@qq.com | China | 26362 | 58 |
| Wuhan Topule Biopharmaceutical Co., Ltd | +8618327326525 | masar@topule.com | China | 8467 | 58 |
View Lastest Price from TOPRAMEZONE manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2025-11-26 | Topramezone
210631-68-8
|
US $0.00 / kg | 25kg | 99% | EX:20tons | Huizhili (Changzhou) Life Technology Co., Ltd | |
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2025-11-18 | TOPRAMEZONE
210631-68-8
|
US $1.10 / g | 1g | 99.9% | 100 Tons Min | Dideu Industries Group Limited | |
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2023-11-14 | TOPRAMEZONE
210631-68-8
|
US $35.00-25.00 / kg | 1kg | 99% | 20 Ton | Hebei Xinsheng New Material Technology Co., LTD. |
-

- Topramezone
210631-68-8
- US $0.00 / kg
- 99%
- Huizhili (Changzhou) Life Technology Co., Ltd
-

- TOPRAMEZONE
210631-68-8
- US $1.10 / g
- 99.9%
- Dideu Industries Group Limited
-

- TOPRAMEZONE
210631-68-8
- US $35.00-25.00 / kg
- 99%
- Hebei Xinsheng New Material Technology Co., LTD.






