C-188-9
Tier C — Watch / tradeC-188-9
Targets：STAT3
Indications (approved)：Idiopathic pulmonary fibrosis, Hepatocellular carcinoma, Pancreatic cancer, Non-small cell lung cancer, Melanoma, Colorectal cancer, Breast cancer, Head and neck squamous cell carcinoma
Regional status
Synthetic routes & intermediates1 routes
Routes are ordered originator first, then optimised / process (non-patent) routes; each lists steps, overall yield and the intermediate table (code / CAS / name) — ready for supplier sourcing and RFQ. Rendered by this site from structured data; no third-party route graphics used.
| Code | CAS No. | Intermediate |
|---|---|---|
| C-188-9-001 | 98-68-0 | 4-methoxybenzene-1-sulfonyl chloride |
| C-188-9-002 | 5959-56-8 | 4-aminonaphthalen-1-ol hydrochloride |
| C-188-9-003 | 301313-43-9 | N-(4-hydroxynaphthalen-1-yl)-4-methoxybenzenesulfonamide |
| C-188-9-004 | 331677-27-1 | (Z)-4-methoxy-N-(4-oxonaphthalen-1(4H)-ylidene)benzenesulfonamide |
| C-188-9-005 | 135-19-3 | naphthalen-2-ol |
Frequently asked questions
What are the approved indications of C-188-9?
Approved indications include: Idiopathic pulmonary fibrosis, Hepatocellular carcinoma, Pancreatic cancer, Non-small cell lung cancer, Melanoma, Colorectal cancer, Breast cancer, Head and neck squamous cell carcinoma.
When does the C-188-9 patent expire?
No public expiry year is available for C-188-9 yet; this page updates once verified.
How many synthesis routes are recorded for C-188-9?
1 synthesis routes are recorded; the shortest is 3 steps with 143.5 g (C-188-9) total yield. Intermediates in each route carry codes and CAS numbers.
Where can I buy C-188-9 intermediates?
All intermediates in C-188-9 routes have CAS profiles — you can submit an RFQ per CAS and it enters the Unibest matching pool.
How do I get a quote for C-188-9 intermediates?
Open the CAS profile of the target intermediate from this page, or submit an RFQ directly — the CAS enters the matching flow automatically and the supply network responds with quotes.
Source: cross-verified data (structured fields only) · 2026-10-03