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Other Disclosures4041Nippon Soda Co.,Ltd.Materials and Chemicals

Nippon Soda and Active Pharma, a Mitani Sangyo Group company, develop manufacturing process for the anti-rheumatic drug iguratimod using a continuous-flow method

Nippon Soda, Active Pharma and the University of Tokyo developed a manufacturing process for the anti-rheumatoid arthritis drug iguratimod using a continuous-flow method with an immobilized NHC catalyst. The research results were published in an ACS academic journal, but no announcement has been made regarding the start of commercial production or product availability.

Worth reading
72In focus
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Improvement
Direction inferred from the company’s description.
Scale
1.8
g (iguratimod precursor obtained through 24 hours of continuous operation)
Wording
Conditional
How definitive the wording is.

Announced details

Anti-rheumatoid arthritis drug iguratimodContinuous-flow manufacturing process for iguratimod active pharmaceutical ingredient
Applicable field (uses covered by this announcement)

Manufacturing of chemicals, including pharmaceutical active ingredients and agrochemical active ingredients. Iguratimod is a treatment for rheumatoid arthritis.

Contract Date2023 (technology partnership aimed at the practical implementation and commercialization of continuous-flow methods for pharmaceutical and agrochemical manufacturing)
What the company reported numerically
Quantitative Effects

Approximately 1.8 g of iguratimod precursor was stably obtained through 24 hours of continuous operation. Overall yield from the starting materials was 75%.

Relationship between the counterparty and the company
Nippon Soda Co.,Ltd.4041
Relationship with the Company

アクティブファーマ is a group company of MITANI SANGYO. In 2023, Nippon Soda and the MITANI SANGYO group entered into a technology partnership aimed at the practical implementation and commercialization of continuous-flow methods for pharmaceutical and agrochemical manufacturing. Nippon Soda and MITANI SANGYO have had a business relationship originating in the supply of coal and the sale of industrial chemicals, and continue to engage in multifaceted business dealings.

CounterpartyThe University of TokyoMITANI SANGYO CO.,LTD.アクティブファーマ株式会社

Joint research was conducted with Project Professor Osamu Kobayashi (小林修), Project Professor Haruo Ishitani (石谷暖郎) and Project Associate Professor Satoshi Tsubogo (坪郷哲) of the University of Tokyo. MITANI SANGYO is a diversified trading company headquartered in Kanazawa, Ishikawa Prefecture, operating across 6 segments, including chemicals. Consolidated net sales for the fiscal year ending March 2026 were ¥117,531 million, and consolidated headcount was 3,569. アクティブファーマ, established in June 2009, develops, manufactures and sells pharmaceutical active ingredients. It is headquartered in Chiyoda-ku, Tokyo, and has an office and manufacturing plant in Yatsuo-machi, Toyama City, Toyama Prefecture.

Location (as indicated in this announcement)

Chiyoda-ku, Tokyo (Nippon Soda headquarters and アクティブファーマ headquarters); Yatsuo-machi, Toyama City, Toyama Prefecture (アクティブファーマ office and manufacturing plant); Kanazawa, Ishikawa Prefecture (MITANI SANGYO headquarters)

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Source (materials cited by the company)

ACS Sustainable Chemistry & Engineering, an academic journal published by the American Chemical Society (ACS). Published on 4 August 2026.

Announced details
ItemDetails
Names of Products / Services CoveredAnti-rheumatoid arthritis drug iguratimod, Continuous-flow manufacturing process for iguratimod active pharmaceutical ingredient
CounterpartyThe University of Tokyo, MITANI SANGYO CO.,LTD., アクティブファーマ株式会社
Counterparty overviewJoint research was conducted with Project Professor Osamu Kobayashi (小林修), Project Professor Haruo Ishitani (石谷暖郎) and Project Associate Professor Satoshi Tsubogo (坪郷哲) of the University of Tokyo. MITANI SANGYO is a diversified trading company headquartered in Kanazawa, Ishikawa Prefecture, operating across 6 segments, including chemicals. Consolidated net sales for the fiscal year ending March 2026 were ¥117,531 million, and consolidated headcount was 3,569. アクティブファーマ, established in June 2009, develops, manufactures and sells pharmaceutical active ingredients. It is headquartered in Chiyoda-ku, Tokyo, and has an office and manufacturing plant in Yatsuo-machi, Toyama City, Toyama Prefecture.
Relationship with the Companyアクティブファーマ is a group company of MITANI SANGYO. In 2023, Nippon Soda and the MITANI SANGYO group entered into a technology partnership aimed at the practical implementation and commercialization of continuous-flow methods for pharmaceutical and agrochemical manufacturing. Nippon Soda and MITANI SANGYO have had a business relationship originating in the supply of coal and the sale of industrial chemicals, and continue to engage in multifaceted business dealings.
Contract Date2023 (technology partnership aimed at the practical implementation and commercialization of continuous-flow methods for pharmaceutical and agrochemical manufacturing)
Applicable areaManufacturing of chemicals, including pharmaceutical active ingredients and agrochemical active ingredients. Iguratimod is a treatment for rheumatoid arthritis.
LocationChiyoda-ku, Tokyo (Nippon Soda headquarters and アクティブファーマ headquarters); Yatsuo-machi, Toyama City, Toyama Prefecture (アクティブファーマ office and manufacturing plant); Kanazawa, Ishikawa Prefecture (MITANI SANGYO headquarters)
Quantitative EffectsApproximately 1.8 g of iguratimod precursor was stably obtained through 24 hours of continuous operation. Overall yield from the starting materials was 75%.
SourceACS Sustainable Chemistry & Engineering, an academic journal published by the American Chemical Society (ACS). Published on 4 August 2026.
Items this document does not state (9)
Contract ValueOffering priceLaunch dateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocation scaleUsage historyImpact on Business Performance

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

The conventional process faced environmental and manufacturing-efficiency challenges due to its multiple steps and high use of organic solvents, creating a need for a more environmentally compatible and efficient process for manufacturing pharmaceutical active ingredients.

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Nippon Soda and Active Pharma, a Mitani Sangyo Group company, develop manufacturing process for the anti-rheumatic drug iguratimod using a continuous-flow method | Nippon Soda Co.,Ltd. (4041) timely disclosure | Komori