D&C Blue No. 9
CAS 130-20-1
5,9,14,18-Anthrazinetetrone, 7,16-dichloro-6,15-dihydro-
Companies reported imports and no US production of this chemical to EPA for 2023.
US productionZero
Import volume10.9K lb
Import dependency100%
Top sourceNo public record
Production is reported production, not a complete census of factories. Production reporting year: 2023.
Where It Comes From
EPA reports by year
- 2023
- US production Zero · Imports 10.9K lb
EPA-registered importers (1)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Atul Usa
Why It Matters
Sectors
Textiles
Downstream UsesNot recorded
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Industrial Uses
- •Dye in Synthetic Dye and Pigment Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
$8.64/gA2B Chem LLC
CountryUnited States
Pack$216.00 / 25 g
Purity95%
Vendors13 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
12 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 |
|---|---|---|---|---|
| Combi-Blocks, Inc. | United States | $8.90 | 100 g | 95% |
| Biopharma PEG Scientific Inc. | United States | $9.60 | 25 g | 90% |
| AA BLOCKS | United States | $9.96 | 100 g | 95% |
| AK Scientific, Inc. | United States | $11.80 | 25 g | — |
| AK Scientific Specialized | United States | $11.80 | 25 g | — |
| Aaron Chemicals LLC | Hong Kong | $14.40 | 5 g | 95% |
| Angene Chemical | China → Hong Kong | $15.00 | 5 g | 95% |
| Angene International Limited | United States | $19.52 | 25 g | — |
| MedKoo Biosciences, Inc | United States | $250.00 | 1 g | 98% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 95% |
| Asinex | Netherlands | $6461.40 | 100 mg | 90% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
Chemical Identity
CAS130-20-1
PubChem CIDNot recorded
DTXSIDDTXSID9044532
FormulaC28H12Cl2N2O4
Mol. Weight511.31 g/mol
SMILESClC1=C2NC3=C4C(=O)C5=C(C=CC=C5)C(=O)C4=CC(Cl)=C3NC2=C2C(=O)C3=C(C=CC=C3)C(=O)C2=C1
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
Brief citations
D&C Blue No. 9 (CAS 130-20-1) https://chemicalindependence.com/chemical/130-20-1/ EPA TSCA Inventory: CAS 130-20-1. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 130-20-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 130-20-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting