ISU Chemical
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
ISU Chemical makes the raw materials used in synthetic detergents, primarily linear alkylbenzene (LAB) and related petrochemical compounds, and supplies them to manufacturers of cleaning and personal-care products.
Listed on KOSPI, Korea's main stock exchange, the company operates through three divisions: petrochemicals, construction, and biopharmaceuticals. The petrochemical division, which runs plants in Ulsan and Onsan, accounts for the large majority of consolidated revenue, while the construction arm operates under the residential brand 'Brownstone' and the pharmaceutical subsidiary markets biosimilar drugs.
Summary is AI-generated and may contain errors · figures from DART filings
ISU Chemical's pharmaceutical subsidiary, ISU Apgis, is a separate operating company within the consolidated group, commercializing biosimilar medicines including Clotinab, Abcertin, and Fabagal.
ISU Chemical in five facts
What does ISU Chemical do?
ISU Chemical makes the raw materials used in synthetic detergents, primarily linear alkylbenzene (LAB) and related petrochemical compounds, and supplies them to manufacturers of cleaning and personal-care products.
Where is ISU Chemical listed and in which sector?
ISU Chemical (Korean name: 이수화학) trades under KRX code 005950 on KOSPI, the main board of the Korea Exchange. It is classified in the Materials sector, Chemicals.
How large is ISU Chemical?
Its market capitalisation was US$196.1M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were ISU Chemical's latest annual revenue and operating profit?
For fiscal year 2025, ISU Chemical reported revenue of US$1.3B, operating profit of US$5.2M and a net loss of US$30.6M, per its annual report on DART (data retrieved from DART on 2026-09-06). Revenue was down 13.4% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-06
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- Report on large shareholdings (5% rule) (standard)Sep 23
- Report on large shareholdings (5% rule) (standard)Sep 4
- [Amended] Change of 30% or more in revenue or profit/loss structure (15% for large companies)
ISU Chemical updated its previously filed consolidated results for FY2025: revenue of US$1.12B (−13.4% year on year), operating profit of US$4.67M (from a loss a year earlier) and a net loss of US$27.5M.
Earnings · Mar 12 - [Amended] Operating results (preliminary) (fair disclosure)
ISU Chemical updated its previously filed provisional (unaudited) separate results for FY2025: revenue of US$934M, operating profit of US$20.2M and a net loss of US$19.9M.
Earnings · Mar 12 · 2 versions - [Amended] Change of 30% or more in revenue or profit/loss structure (15% for large companies)
ISU Chemical updated its previously filed consolidated results for FY2025: revenue of US$1.15B (−13.5% year on year), operating profit of US$5.24M (from a loss a year earlier) and a net loss of US$25.2M.
Earnings · Feb 24 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
ISU Chemical reported consolidated results for FY2025: revenue of US$1.15B (−13.5% year on year), operating profit of US$5.23M (from a loss a year earlier) and a net loss of US$25.2M.
Earnings · Feb 12