C4H6O4
118.09 g/mol
Pharmaceutical IntermediateWarning
Methylmalonic acid
CAS516-05-2EC208-219-5
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
Methylmalonic acid (MMA) is a dicarboxylic acid that serves as an intermediate in the synthesis of active pharmaceutical ingredients (APIs). It is chemically related to malonic acid and features a methyl group substituent.
Pharmaceutical intermediate for API synthesis
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
ReferenceSame Category
3-Chloro-4-methylbenzoic acid
CAS5162-82-3
pharmaceutical intermediate
ReferenceSame Category
3-Methyl-2-(4-chlorophenyl)butyryl chloride
CAS51631-50-6
pharmaceutical intermediate
ReferenceSame Category
N-[(Phenylmethoxy)carbonyl]-D-glutamic acid 5-(1,1-dimethylethyl) ester
CAS51644-83-8
pharmaceutical intermediate
ReferenceSame Category
Ethyl 1-methylnipecotate
CAS5166-67-6
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Methylmalonic acid (CAS 516-05-2) is 2917.19.
HS code (international, 6-digit)
2917.19
EU CN code (8-digit)
2917 19 80
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-methylpropanedioic acid
InChIKey
ZIYVHBGGAOATLY-UHFFFAOYSA-N
SMILES
CC(C(=O)O)C(=O)O
Synonyms (21)
- 1,1-Ethanedicarboxylate
- 1,1-Ethanedicarboxylic acid
- 2-Methylmalonate
- 2-Methylmalonic acid
- 2-Methylpropanedioic acid
- Acid, Methylmalonic
- Isosuccinate
- Isosuccinic acid
- Malonic acid, methyl-
- Methylmalonic acid
- Methylmalonic acid (Standard)
- PROPANEDIOIC ACID, 2-METHYL-
- Propanedioic acid, methyl-
- alpha-methylmalonic acid
- methylmalonate
- methylpropanedioate
- methylpropanedioic acid
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