C7H6O4S
186.19 g/mol
Pharmaceutical IntermediateWarning
3-Thiophenemalonic acid
CAS21080-92-2EC244-198-9
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
3-Thiophenemalonic acid is a chemical compound featuring a thiophene ring attached to a malonic acid moiety. It serves as an intermediate in the manufacturing of ticarcillin, a pharmaceutical agent.
pharmaceutical intermediate
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 3-Thiophenemalonic acid (CAS 21080-92-2) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-thiophen-3-ylpropanedioic acid
InChIKey
GCOOGCQWQFRJEK-UHFFFAOYSA-N
SMILES
C1=CSC=C1C(C(=O)O)C(=O)O
Synonyms (18)
- 3-THIENYLMALONIC ACID (EP IMPURITY)
- Ticarcillin EP Impurity C
- (Thien-3-yl)malonic acid
- 2-(3-Thienyl)malonic acid
- 2-(thiophen-3-yl)malonic acid
- 3-Thienylmalonic acid
- 3-Thienylpropanedioic acid
- 3-Thiophenemalonic acid
- 3-thiophenemalonic
- Propanedioic acid, 3-thienyl-
- Thiophene-3-malonic acid
- Ticarcillin impurity C
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