What other records share CAS 58-55-9?

CAS 58-55-9 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.

InventoryRef 3857815/10/2010

THEOPHYLLINE

Q: How do I check if my formula contains THEOPHYLLINE?

Use the INCI Checker tool on CosIng Checker to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-

THEOPHYLLINE is linked to 1 EU annex record on this page.

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Inventory details for THEOPHYLLINE

INCI name

THEOPHYLLINE

INN name

theophylline

Ph. Eur. name

theophyllinum

Description

1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-

Annex records for THEOPHYLLINE

Annex II Shared CAS number

Entry 1710

Theophylline; 1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione

CAS: 58-55-9

EC: 200-385-7

Key data

CAS

58-55-9

200-385-7

Restriction

—

Function

SKIN CONDITIONING TONIC

How THEOPHYLLINE appears in the CosIng inventory

The CosIng inventory lists THEOPHYLLINE as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

THEOPHYLLINE is also tagged with 2 cosmetic functions 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

THEOPHYLLINE appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

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

CAS 58-55-9 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.

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Source note for THEOPHYLLINE

This page combines the CosIng inventory entry for THEOPHYLLINE with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

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

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Tools & next steps

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