What other records share CAS 329-98-6?

CAS 329-98-6 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

How do I check if my formula contains PHENYLMETHYLSULFONYL FLUORIDE?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 9411420/06/2016

PHENYLMETHYLSULFONYL FLUORIDE

Benzenemethanesulfonyl fluoride,PMSF

PHENYLMETHYLSULFONYL FLUORIDE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

INCI Checker Compare all markets Search similar

Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

Markets and their official sources Search every market for this name

Chemical identity and properties

PubChem 2D chemical structure for CAS 329-98-6

CAS 329-98-6PubChem CID 4784

Phenylmethylsulfonyl Fluoride

Phenylmethanesulfonyl fluoride is an acyl fluoride with phenylmethanesulfonyl as the acyl group. It has a role as a serine proteinase inhibitor. It is functionally related to a phenylmethanesulfonic acid. — ChEBI

IUPAC name: phenylmethanesulfonyl fluoride

Molecular formula: C7H7FO2S
Molecular weight: 174.19 g/mol
Exact mass: 174.01507880 Da
XLogP3: 1.3
Topological polar surface area: 42.5 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

PMSFBenzylsulfonyl fluorideBenzenemethanesulfonyl fluoridealpha-TOLUENESULFONYL FLUORIDEPhenylmethylsulfonylfluorideBenzylsulphonyl fluorideNSC-8849957KD15003I

16 more reported names

CHEBI:8102Fluoride, PhenylmethylsulfonylFluoride, PhenylmethanesulfonylFluoride, BenzenemethanesulfonylRefChem:861810206-350-2alpha-Toluenesulphonyl fluorideNSC 88499.alpha.-Toluenesulfonyl fluoridePHENYLMETHANESULPHONYL FLUORIDEfluorobenzylsulfonePhenylmethylsulphonyl fluorideEINECS 206-350-2BRN 2088311UNII-57KD15003IPMSF Solution

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:8102
ChEMBL:CHEMBL190503
EPA DTXSID:DTXSID6059819
PubMed:31226285
PubMed:28299395
PubMed:24338829
PubMed:23105563
PubMed:22919124
PubMed:22905396
PubMed:22900344
PubMed:22896886
PubMed:22878188
PubMed:22789660
PubMed:22722939
PubMed:22707888

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

Inventory details for PHENYLMETHYLSULFONYL FLUORIDE

INCI name

PHENYLMETHYLSULFONYL FLUORIDE

Description

Benzenemethanesulfonyl fluoride,PMSF

Record provenance

Inventory reference: 94114
Imported identity: PHENYLMETHYLSULFONYL FLUORIDE
Source update: 20/06/2016

European Commission CosIng source notes

Annex records for PHENYLMETHYLSULFONYL FLUORIDE

Browse

Browse EU annexes

Explore Annex II–VI to see which substances are prohibited, restricted or permitted under specific conditions.

Search annex entries

Search the annex database for entries matching PHENYLMETHYLSULFONYL FLUORIDE or related substances.

Key data

CAS

329-98-6

206-350-2 (I)

Restriction

—

Function

SKIN CONDITIONING: Maintaining the skin in good condition.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#20746 · PHENYLMETHYLSULFONYL FLUORIDE

Ingredients with overlapping formulation functions

PHENYL TIMONACICSKIN CONDITIONING, SKIN PROTECTING

PHENYL TRIMETHICONEANTIFOAMING, HAIR CONDITIONING, SKIN CONDITIONING

PHENYLALANINEFRAGRANCE, HAIR CONDITIONING, SKIN CONDITIONING

PHENYLISOPROPYL DIMETHICONEHAIR CONDITIONING, SKIN CONDITIONING

PHENYLPROPYL ETHYL METHICONEHAIR CONDITIONING, SKIN CONDITIONING

PHENYLTHIAZOLYL FLUOROANILINESKIN CONDITIONING

PHILADELPHUS CORONARIUS FLOWER EXTRACTSKIN CONDITIONING

PHLOMIS KORAIENSIS ROOT EXTRACTSKIN CONDITIONING

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How PHENYLMETHYLSULFONYL FLUORIDE appears in the CosIng inventory

The CosIng inventory lists PHENYLMETHYLSULFONYL FLUORIDE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

PHENYLMETHYLSULFONYL FLUORIDE is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

PHENYLMETHYLSULFONYL FLUORIDE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, PHENYLMETHYLSULFONYL FLUORIDE carries the following function designation(s):

SKIN CONDITIONING

CAS 329-98-6 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

View CAS records

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Open INCI Checker

Source note for PHENYLMETHYLSULFONYL FLUORIDE

This page reproduces the CosIng inventory entry for PHENYLMETHYLSULFONYL FLUORIDE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research PHENYLMETHYLSULFONYL FLUORIDE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

View sources View updates

Tools & next steps

Check your formula

Scan a full INCI list to detect PHENYLMETHYLSULFONYL FLUORIDE and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to PHENYLMETHYLSULFONYL FLUORIDE, its identifiers or nearby name variants.