REACH Registered Cosmetic Ingredient

SI 5 (pharmaceutical)

Also known as: 1-Methyl-2-phenylthiomethyl-3-ethoxycarbonyl-5-hydroxy-6-bromoindole

CAS 131707-24-9

SI 5 (pharmaceutical) (CAS 131707-24-9) is a chemical substance. Key regulatory status: REACH registered, 1 regulatory/inventory list, cosmetic ingredient cross-reference; source data from EPA CPDat, ECHA REACH.

View cosmetic safety profile for Colloidal Oatmeal →

SOURCE noael studies public
NOAEL studies
0
SOURCE chemical inventory jurisdictions
Regulatory lists
1
SOURCE eu clp annex vi
GHS signal
Not classified

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 7 fields
Name
SI 5 (pharmaceutical)
CAS Number
131707-24-9
DTXSID
DTXSID20157186
Molecular Formula
C19H18BrNO3S
InChI Key
DAFNNZWQTJQQAP-UHFFFAOYSA-N
Monoisotopic Mass
419.019077
Synonyms
1-Methyl-2-phenylthiomethyl-3-ethoxycarbonyl-5-hydroxy-6-bromoindole

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 1 records
ListKeywordSource
pharmaceuticalUS International Trade CommissionCPCat

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
Registeredethyl 6-bromo-5-hydroxy-1-methyl-2-(phenylsulfanylmethyl)indole-3-carboxylate629-769-6ECHA overview →

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
active
View full cosmetic safety profile →

Frequently Asked Questions

What regulatory lists include SI 5 (pharmaceutical)?

SI 5 (pharmaceutical) appears on 1 regulatory/inventory list including pharmaceutical. Source: EPA CPDat.

Is SI 5 (pharmaceutical) used in cosmetics?

Yes, SI 5 (pharmaceutical) is also indexed as a cosmetic ingredient under the name Colloidal Oatmeal. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for SI 5 (pharmaceutical) come from?

Safety data is sourced from EPA CPDat, EPA DSSTox, ECHA REACH, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.

Is SI 5 (pharmaceutical) used outside industrial chemicals?

SI 5 (pharmaceutical) also appears in cosmetics databases.