3-Amino-1,2,4-triazole-5-thiol
CAS 16691-43-3
Companies reported imports and no US production of this chemical to EPA for 2023.
Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Peak 2013: $4.7B · 2024: $1.4B · 2025: $1.4B
Where It Comes From
Customs basis: HS 293399 · basket
- 2023
- US production Zero · Imports 24.0K lb
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 293399, which covers 518 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Taiwan
- Poland
- Canada
- Ivory Coast
- Greece
- Hungary
- Indonesia
- Latvia
- Belgium
- Slovakia
- Czech Republic
- Austria
- Netherlands
- Finland
- Denmark
- Croatia
- Australia
- South Africa
- Sweden
- Hong Kong
- Malta
- Singapore
- Lithuania
- Malaysia
- Oman
- Serbia
Why It Matters
Industrial Uses
- •Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing as a reactant
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
18 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 |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.07 | 500 g | 99% |
| BLD Pharmatech GmbH | Germany | $0.13 | 500 g | 95% |
| BLD Pharmatech Ltd. | China | $0.13 | 500 g | 95% |
| AK Scientific Specialized | United States | $0.13 | 500 g | 95% |
| A2B Chem LLC | United States | $0.13 | 500 g | 97% |
| Ambeed, Inc. | United States | $0.14 | 500 g | 95% |
| Fluorochem EU | Germany | $0.16 | 100 g | 97% |
| AA BLOCKS | United States | $0.17 | 500 g | 97% |
| AK Scientific, Inc. | United States | $0.18 | 500 g | 98% |
| Combi-Blocks, Inc. | United States | $0.30 | 500 g | 96% |
| Angene International Limited | United States | $0.34 | 500 g | 98% |
| BLD Pharmatech Co., Limited | United States | $0.36 | 100 g | 95% |
| AstaTech (2 weeks) | United States | $1.60 | 25 g | 97% |
| ALFA AESAR | Germany | $5.28 | 25 g | 97% |
| Vitas M Chemical Limited | Hong Kong | $310.00 | 1 g | 90% |
| HTS Biochemie Innovationen | Germany | $400.00 | 1 g | 95% |
| Key Organics Ltd. | United Kingdom | $1960.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID7044849Retrieved 2026-04-06
- PubChem · compound 2723869Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
3-Amino-1,2,4-triazole-5-thiol (CAS 16691-43-3) https://chemicalindependence.com/chemical/16691-43-3/ EPA CompTox (DSSTox): DTXSID7044849. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7044849 PubChem: 2723869. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/2723869 EPA Chemical Data Reporting: 16691-43-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 16691-43-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293399 for CAS 16691-43-3. Reporting year: 2024. https://usatrade.census.gov/