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Not in the current Orange Book — This application is not listed in FDA's current Orange Book data files (no listed patents or exclusivities). Product and approval data shown are from FDA's Drugs@FDA database.

DIMETHYL SULFOXIDE

ANDANot in Orange Book

DIMETHYL SULFOXIDE | A220173 | STIRA

API Supply Chain1 active DMF5 inactive

1 active API supplier hold Drug Master Files for this ingredient. Limited supplier base — potential supply chain risk.

GAYLORD CHEMICAL CO LLCDIMETHYL SULFOXIDE (DMSO), USP GRADE

DMF 127061997

NATIONAL CANCER INSTITUTEInactiveDIMETHYL SULFOXIDE

DMF 8041964

ARAPAHOE CHEMICALS INC DIV SYNTEX LABORATORIES INCInactiveDIMETHYL SULFOXIDE

DMF 10671967

RESEARCH INDUSTRIES CORPInactiveDIMETHYL SULFOXIDE (DMSO)

DMF 25511975

SIGMA FOOD AND DRUG DIV SIGMA ALDRIDGE CORPInactiveDIMETHYL SULFOXIDE

DMF 41381981

SHOWA INDUSTRY CO LTDInactiveDIMETHYL SULFOXIDE (DMSO-P)

DMF 52361984

Source: FDA Drug Master Files (fda.gov). Type II API DMFs matched by ingredient.

Products (1)

#001 — 50%

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SOLUTION;INTRAVESICAL | Approved: Jul. 7, 2026

No patent or exclusivity listings for this strength.