3H-Pyrazol-3-one, 4-amino-1,2-dihydro-1,5-dimethyl-2-phenyl-, hydrochloride (1:1)
CAS 22198-72-7
EPA and Census publish no US supply data for this chemical.
US productionNot reported
Top sourceNo public record
This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.
Why supply is unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Vendor Pricing
$2.64/gA2B Chem LLC
CountryUnited States
Pack$66.00 / 25 g
Purity98%
Vendors17 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
16 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Aaron Chemicals LLC | Hong Kong | $2.70 | 100 g | 98% |
| Angene Chemical | China → Hong Kong | $2.80 | 50 g | 95% |
| Combi-Blocks, Inc. | United States | $3.36 | 25 g | 95% |
| BLD Pharmatech Co., Limited | United States | $3.36 | 25 g | 98% |
| BLD Pharmatech GmbH | Germany | $3.36 | 25 g | 98% |
| BLD Pharmatech Ltd. | China | $3.36 | 25 g | 98% |
| Ambeed, Inc. | United States | $3.36 | 25 g | 98% |
| AA BLOCKS | United States | $3.36 | 25 g | 98% |
| Fluorochem EU | Germany | $4.11 | 25 g | 95% |
| Fluorochem UK | United Kingdom | $4.18 | 25 g | 95% |
| MedChemExpress MCE | Sweden | $6.00 | 25 g | 95% |
| AK Scientific, Inc. | United States | $7.20 | 5 g | 98% |
| AstaTech (2 weeks) | United States | $7.68 | 25 g | 95% |
| MedKoo Biosciences, Inc | United States | $18.00 | 25 g | 98% |
| Angene International Limited | United States | $18.20 | 5 g | 98% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 95% |
Chemical Identity
CAS22198-72-7
PubChem CIDNot recorded
DTXSIDDTXSID8066769
FormulaC11H14ClN3O
Mol. Weight239.7 g/mol
SMILESCl.CN1N(C(=O)C(N)=C1C)C1=CC=CC=C1
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
3H-Pyrazol-3-one, 4-amino-1,2-dihydro-1,5-dimethyl-2-phenyl-, hydrochloride (1:1) (CAS 22198-72-7) https://chemicalindependence.com/chemical/22198-72-7/ EPA TSCA Inventory: CAS 22198-72-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory