Why does CAS 67306-00-7 appear in more than one EU cosmetic annex?

A substance identified by CAS 67306-00-7 may appear in multiple EU cosmetic regulation annexes when it is subject to different conditions in different contexts — for example, restricted under Annex III with specific conditions, while also appearing in Annex IV as an approved colorant under separate entry conditions. Each entry must be reviewed individually.

How do I check if my formula contains a substance with CAS 67306-00-7?

Use the INCI Checker on CosIng Checker with INCI names, CAS numbers or EC numbers. Paste CAS 67306-00-7 to screen it directly, then review every linked annex record and supplier document.

CAS 1 record

CAS 67306-00-7

Q: How do I use CAS 67306-00-7 for compliance screening?

Cross-reference CAS 67306-00-7 against your raw material specification sheets and CoA documents. When it appears in Annex II, verify absence. When it appears in Annex III, verify that concentration limits and product type conditions are met. All annex entries sharing this CAS number are listed on this page.

CAS 67306-00-7 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 67306-00-7

CAS 67306-00-7PubChem CID 91694

Fenpropidin

1-[3-(4-tert-butylphenyl)-2-methylpropyl]piperidine is a member of the class of piperidines that is N-isobutylpiperidine in which a hydrogen of one of the methyl groups is replaced by a p-tert-butylphenyl group. It is a member of piperidines and a tertiary amine. — ChEBI

IUPAC name: 1-[3-(4-tert-butylphenyl)-2-methylpropyl]piperidine

Molecular formula: C19H31N
Molecular weight: 273.5 g/mol
Exact mass: 273.245649993 Da
XLogP3: 5.5
Topological polar surface area: 3.2 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

PatrolFenpropidine1-(3-(4-(1,1-Dimethylethyl)phenyl)-2-methylpropyl)piperidineRo 12-3049845XW54F31Piperidine, 1-(3-(4-(1,1-dimethylethyl)phenyl)-2-methylpropyl)-1-[3-[4-(1,1-dimethylethyl)phenyl]-2-methylpropyl]piperidinePiperidine, 1-[3-[4-(1,1-dimethylethyl)phenyl]-2-methylpropyl]-

16 more reported names

1-(2-((4-tert-butylphenyl)methyl)propyl)piperidine1-{2-[(4-tert-butylphenyl)methyl]propyl}piperidineRefChem:140199CHEBI:819171-(2-methyl-3-(4-(2-methyl-2-propanyl)phenyl)propyl)piperidine1-(3-(4-tert-Butylphenyl)-2-methylpropyl)piperidine1-(3-(4-(tert-butyl)phenyl)-2-methylpropyl)piperidineCHEBI:83291Fenpropidin [BSI:ISO]Fenpropidine [ISO-French]CGA 114900BRN 1245248UNII-845XW54F31FENPROPIDIN [MI]FENPROPIDIN [ISO]5-20-02-00071 (Beilstein Handbook Reference)

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:83291
ChEMBL:CHEMBL1889041
EPA DTXSID:DTXSID9058157
PubMed:34737147
PubMed:22078112
PubMed:21694716
PubMed:21436218
PubMed:20218509
PubMed:20199019
PubMed:20077025
PubMed:20046765
PubMed:19418441
PubMed:18313096
PubMed:17991510
PubMed:16256424

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 67306-00-7

1 total

Annex

Entry

1761

Fenpropidin (ISO); (R,S)-1-[3-(4-tert-butylphenyl)-2-methylpropyl]piperidine

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How CAS 67306-00-7 is used on this site

CAS 67306-00-7 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 67306-00-7 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.

Frequently asked questions

A substance identified by CAS 67306-00-7 may appear in multiple EU cosmetic regulation annexes when it is subject to different conditions in different contexts. For example, a substance might be restricted under Annex III with specific conditions, and the same CAS might also appear in Annex IV as an approved colorant under separate entry conditions. Each entry must be reviewed individually.

Cross-reference the CAS number against your raw material specification sheets and CoA documents. When a CAS appears in Annex II, verify absence. When it appears in Annex III, verify that concentration limits and product type conditions are met in your formulation. All annex entries sharing this CAS number are listed above.

A CAS number is assigned by the Chemical Abstracts Service (USA) and is globally recognised. An EC number is a European Commission identifier from inventories such as EINECS, ELINCS or the NLP list. Both identifiers may appear in EU cosmetic annex entries. Some substances have both, some have only one, and some older entries may have neither.

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