CAS 7681-93-8
Is Natamycin (pimaricin) banned where you sell?
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For Packaged food and beverages: Conformity: Must meet the conditions of Natamycin (pimaricin) (21 CFR 172.155) may be used in food only as the section provides: the specifications, the foods and the limits written in § 172.155.. In force since 22 Jun 1982.
The section's conditions of use (foods, limits, specifications, labelling) are written in § 172.155 and are not broken down here. Section text as written: "(b) The additive shall conform to the following specifications: Purity: 97 percent ±2 percent on an anhydrous basis. Arsenic: Not more than 1 part per million. Heavy metals (as Pb): Not more than 20 parts per million. (c) The additive may be applied on cheese, as an antimycotic, in amounts not to exceed 20 milligrams per kilogram (20 parts per million) in the finished product as determined by International Dairy Federation (IDF) Standard 140A:1992, “Cheese and Cheese Rind-Determination of Natamycin Content-Method by Molecular Absorption Spectrometry and by High-Performance Liquid".
“§ 172.155 Natamycin (pimaricin). (a) Natamycin (CAS Reg. No. 7681-93-8), also known as pimaricin, is a polyene macrolide antimycotic substance possessing an empirical formula of C33H47NO13 and a molecular weight of 665.7.”
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 19 Aug 2026, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 13 Nov 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Apr 2026, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 8 Oct 2026, and this doesn't mean it's allowed.
- Status
- Other requirement
- Requirement, dates and source
For Packaged food and beverages: Conformity: Must meet the conditions of Natamycin (pimaricin) (21 CFR 172.155) may be used in food only as the section provides: the specifications, the foods and the limits written in § 172.155.. In force since 22 Jun 1982.
The section's conditions of use (foods, limits, specifications, labelling) are written in § 172.155 and are not broken down here. Section text as written: "(b) The additive shall conform to the following specifications: Purity: 97 percent ±2 percent on an anhydrous basis. Arsenic: Not more than 1 part per million. Heavy metals (as Pb): Not more than 20 parts per million. (c) The additive may be applied on cheese, as an antimycotic, in amounts not to exceed 20 milligrams per kilogram (20 parts per million) in the finished product as determined by International Dairy Federation (IDF) Standard 140A:1992, “Cheese and Cheese Rind-Determination of Natamycin Content-Method by Molecular Absorption Spectrometry and by High-Performance Liquid".
“§ 172.155 Natamycin (pimaricin). (a) Natamycin (CAS Reg. No. 7681-93-8), also known as pimaricin, is a polyene macrolide antimycotic substance possessing an empirical formula of C33H47NO13 and a molecular weight of 665.7.”
Parts 172-189 substance sections, 21 CFR 172.155, Subpart Food Preservatives · fetched 2026-10-09US National Archives / Office of the Federal Register (eCFR): 21 CFR Part 172 (eCFR, version of 2026-10-07)(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, and this doesn't mean it's allowed.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
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We hold no rules for this market.
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- Not covered
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We hold no rules for this market.
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- Not covered
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We hold no rules for this market.
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- Not covered
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We hold no rules for this market.
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- Not covered
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We hold no rules for this market.
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- Not covered
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We hold no rules for this market.
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- Not covered
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We hold no rules for this market.
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- Not covered
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We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 19 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 13 Nov 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 Apr 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 8 Oct 2026, and this doesn't mean it's allowed.
California
Prop 65 listing
California's list of chemicals known to cause cancer or reproductive harm.
Not on the Prop 65 list in our data
Not on California's list when we last checked it.
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 Natamycin (pimaricin), 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 Natamycin (pimaricin) since January 2023. Other agencies may still have acted.
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