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KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.

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O-Isobutyl-N-ethoxy carbonylthiocarbamate

Korean: O-아이소부틸-N-에톡시카보닐티오카바메이트 · CAS 103122-66-3 ·

KR South Korea (MFDS)

No specific rule on file.

EU European Union (CosIng)

Prohibited Annex II/1405

Source: EU CosIng — Annex II · checked Oct 17, 2026

US United States (FDA)

No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.

Other markets

How O-Isobutyl-N-ethoxy carbonylthiocarbamate is treated in 1 more market, from the overseas cosmetic regulation database compiled by Korea's MFDS. Always confirm with the regulator of that country before selling there.

Market	Status	Conditions
AS ASEAN (10 countries)	Prohibited	—

Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 17, 2026

Also listed as

O-Isobutyl-N-ethoxy carbonylthiocarbamate O-아이소부틸-N-에톡시카보닐티오카바메이트

Information only, not medical advice. Rules change — always check the linked official source. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist.

Frequently asked questions

Is O-Isobutyl-N-ethoxy carbonylthiocarbamate banned in the European Union?

In the EU's CosIng records it is listed as “Prohibited” (EU CosIng — Annex II).

Is O-Isobutyl-N-ethoxy carbonylthiocarbamate banned in South Korea?

We found no specific rule for it in Korea's MFDS records. That is not an approval or a safety statement.

Is O-Isobutyl-N-ethoxy carbonylthiocarbamate allowed in cosmetics in the U.S.?

We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.

What is O-Isobutyl-N-ethoxy carbonylthiocarbamate called on Korean labels?

Korea's MFDS standard Korean name is O-아이소부틸-N-에톡시카보닐티오카바메이트.

What is the CAS number of O-Isobutyl-N-ethoxy carbonylthiocarbamate?

CAS 103122-66-3 (from official records).