Skip to main content
CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
CAS 1 record

CAS 103122-66-3

CAS 103122-66-3 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

Check this CAS numberBrowse annexes

Chemical identity and properties

PubChem 2D chemical structure for CAS 103122-66-3
CAS 103122-66-3PubChem CID 3034440

Thioimidodicarbonic acid ((HO)C(O)NHC(S)(OH)), O1-ethyl O3-(2-methylpropyl) ester

IUPAC name
ethyl N-(2-methylpropoxycarbothioyl)carbamate
Molecular formula
C8H15NO3S
Molecular weight
205.28 g/mol
Exact mass
205.07726451 Da
XLogP3
2.4
Topological polar surface area
79.7 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

Carbamic acid, ((2-methylpropoxy)thioxomethyl)-, ethyl esterEC 434-350-4Thioimidodicarbonic acid ((HO)C(O)NHC(S)(OH)), 1-ethyl 3-(2-methylpropyl) estero-Isobutyl-N-ethoxy carbonylthiocarbamateCarbamic acid, [(2-methylpropoxy)thioxomethyl]-, ethyl esterRefChem:897817434-350-4XNMRLZYOSGDPRB-UHFFFAOYSA-N
1 more reported name
O-Ethyl O-(2-methylpropyl) 2-imidothiodicarbonate
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Evidence from additional scientific databases

NIH PubChem PUG-View
Exact identifier match3034440

Attributed physical-property, hazard, environmental and use annotations.

  • Signal: Danger Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
  • GHS Hazard Statements: H226: Flammable liquid and vapor [Warning Flammable liquids]; H302: Harmful if swallowed [Warning Acute toxicity, oral]; H317: May cause an allergic skin reaction [Warning Sensitization, Skin]; H340: May cause genetic defects [Danger Germ cell mutagenicity]; H350: May cause cancer [Danger Carcinogenicity]; H373 **: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]; H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
  • Precautionary Statement Codes: P203, P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P272, P273, P280, P301+P317, P302+P352, P303+P361+P353, P318, P319, P321, P330, P333+P317, P362+P364, P370+P378, P391, P403+P235, P405, and P501 (click each P-code to see the statement) Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
  • Signal: Danger Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
  • GHS Hazard Statements: H226: Flammable liquid and vapor [Warning Flammable liquids]; H302: Harmful if swallowed [Warning Acute toxicity, oral]; H317: May cause an allergic skin reaction [Warning Sensitization, Skin]; H340: May cause genetic defects [Danger Germ cell mutagenicity]; H350: May cause cancer [Danger Carcinogenicity]; H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]; H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
  • Precautionary Statement Codes: P203, P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P272, P273, P280, P301+P317, P302+P352, P303+P361+P353, P318, P319, P321, P330, P333+P317, P362+P364, P370+P378, P391, P403+P235, P405, and P501 (click each P-code to see the statement) Source: Hazardous Chemical Information System (HCIS), Safe Work Australia

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
EMBL-EBI ChEBINo exact record2026-08-31
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 103122-66-3

1 total

How CAS 103122-66-3 is used on this site

CAS 103122-66-3 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 103122-66-3 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 103122-66-3 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.

The INCI Checker accepts ingredient names, CAS numbers and EC numbers. Check this CAS number directly, then verify the result against supplier specification sheets and every linked annex condition.
Check this CAS number

Tools & next steps

Check your formula

Scan a full INCI list, then use CAS 103122-66-3 to cross-check any supplier documents behind the matched substances.

INCI Checker

Browse annexes

Browse all EU cosmetic regulation annexes by category.

All annexes

Search by name

Search for INCI names, aliases or related identifiers that sit alongside CAS 103122-66-3 in your documentation.

Search