CAS 72-33-3
Is Mestranol banned where you sell?
2 markets have rules for it. Selling something that contains it? Check it free, no account needed.
- Free
- No account needed
- The law behind every rule
Status
Status by market
Banned, limited, needs a warning, or no rule we know of. US states also follow federal rules, shown in their own row.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025; Packaged food and beverages: 7 Oct 2026; Consumer electronics and small appliances: 1 Jan 2025; Batteries, e-bikes and power banks: 1 Oct 2026), and this doesn't mean it's allowed.
Warning required when exposure exceeds the threshold (no NSRL listed for this row). In force since 1 Apr 1989.
- Chemical
- Mestranol
- Type of toxicity
- cancer
- Listed by
- the State's Qualified Experts (SQE)
- CAS No.
- 72-33-3
- Date listed
- 1 Apr 1988
Prop 65 list row: Mestranol · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025; Batteries, e-bikes and power banks: 16 Sep 2023), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: not covered; Consumer electronics and small appliances: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 18 May 2026; Packaged food and beverages: 19 Aug 2026; Consumer electronics and small appliances: 1 Jul 2026; Batteries, e-bikes and power banks: 13 Aug 2026), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 19 Aug 2026; Packaged food and beverages: 13 Nov 2025; Consumer electronics and small appliances: 1 Jan 2025; Batteries, e-bikes and power banks: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 12 Jul 2024; Packaged food and beverages: 1 Apr 2026; Consumer electronics and small appliances: 3 Sep 2026; Batteries, e-bikes and power banks: 1 Sep 2026), and this doesn't mean it's allowed.
For Cosmetics and personal care: Banned. In force under the consolidated notice effective 18 Mar 2026; earlier versions are not in our data.
From the official list: 에스트로겐 · 56-53-1 · Diethylstilbestrol
Schedule 1 에스트로겐 · fetched 2026-10-09
Ministry of Food and Drug Safety / National Law Information Center (law.go.kr): 화장품 안전기준 등에 관한 규정 별표 1, 별표 2, 제6조(opens in a new tab)- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025; Packaged food and beverages: 7 Oct 2026; Consumer electronics and small appliances: 1 Jan 2025; Batteries, e-bikes and power banks: 1 Oct 2026), and this doesn't mean it's allowed.
- Status
- Warning required
- Requirement, dates and source
Warning required when exposure exceeds the threshold (no NSRL listed for this row). In force since 1 Apr 1989.
- Chemical
- Mestranol
- Type of toxicity
- cancer
- Listed by
- the State's Qualified Experts (SQE)
- CAS No.
- 72-33-3
- Date listed
- 1 Apr 1988
Prop 65 list row: Mestranol · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025; Batteries, e-bikes and power banks: 16 Sep 2023), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: not covered; Consumer electronics and small appliances: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 18 May 2026; Packaged food and beverages: 19 Aug 2026; Consumer electronics and small appliances: 1 Jul 2026; Batteries, e-bikes and power banks: 13 Aug 2026), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 19 Aug 2026; Packaged food and beverages: 13 Nov 2025; Consumer electronics and small appliances: 1 Jan 2025; Batteries, e-bikes and power banks: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 12 Jul 2024; Packaged food and beverages: 1 Apr 2026; Consumer electronics and small appliances: 3 Sep 2026; Batteries, e-bikes and power banks: 1 Sep 2026), and this doesn't mean it's allowed.
- Status
- Banned
- Requirement, dates and source
For Cosmetics and personal care: Banned. In force under the consolidated notice effective 18 Mar 2026; earlier versions are not in our data.
From the official list: 에스트로겐 · 56-53-1 · Diethylstilbestrol
Schedule 1 에스트로겐 · fetched 2026-10-09
Ministry of Food and Drug Safety / National Law Information Center (law.go.kr): 화장품 안전기준 등에 관한 규정 별표 1, 별표 2, 제6조(opens in a new tab)
California
Prop 65 listing
California's list of chemicals known to cause cancer or reproductive harm.
- Listing
- Listed 1988-04-01 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Warning applies from
- 1 Apr 1989
- Requirement
- Warning required when exposure exceeds the threshold (no NSRL listed for this row)
- Warning wording
- This product can expose you to Mestranol, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
- Chemical
- Mestranol
- Type of toxicity
- cancer
- Listed by
- the State's Qualified Experts (SQE)
- CAS No.
- 72-33-3
- Date listed
- 1 Apr 1988
Prop 65 list row: Mestranol · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)Groups
Group memberships
Groups that name this substance. Markets define groups like PFAS in different ways.
Not named in any group
No group we track names this substance. Groups like PFAS are defined by chemical structure and don't list members, so whether it's in one depends on your product.
Records
Recalls and alerts
Recalls, safety alerts and Prop 65 notices that name Mestranol, with a link to the original. A Prop 65 notice is a claim by the sender, not a ruling.
No records in our feeds
No Prop 65 notice, EU Safety Gate alert or CPSC recall has named Mestranol since January 2023. Other agencies may still have acted.
See also
Related
- Check a product
Tell us it's in your product and see what applies where you sell.
- South Korea
When our coverage starts, the laws and the sources.
- California (US state)
When our coverage starts, the laws and the sources.
- Cosmetics and personal care
Every rule for this kind of product, in each market.
- Batteries, e-bikes and power banks
Every rule for this kind of product, in each market.
- Consumer electronics and small appliances
Every rule for this kind of product, in each market.
Alerts
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