C3H4N4O2
128.09 g/mol
Pharmaceutical IntermediateWarning
1H-Tetrazole-1-acetic acid
CAS21732-17-2EC244-551-7
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
1H-Tetrazole-1-acetic acid is a chemical compound used as a pharmaceutical intermediate, specifically in the manufacturing of the antibiotic cefazolin. It features a tetrazole ring and a carboxylic acid group, giving it moderate polarity and low lipophilicity.
pharmaceutical intermediate for cefazolin
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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Referencesame scaffold
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Referencesame scaffold
1H-tetrazole
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industrial chemical intermediate
Referencesame scaffold
5-Methyl-1H-tertazole
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Referencesame scaffold
5-Aminotetrazole monohydrate
CAS15454-54-3
research compound
Safety Reference
Warning
H204Fire or projection hazard
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 1H-Tetrazole-1-acetic acid (CAS 21732-17-2) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 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-(tetrazol-1-yl)acetic acid
InChIKey
GRWAIJBHBCCLGS-UHFFFAOYSA-N
SMILES
C1=NN=NN1CC(=O)O
Synonyms (22)
- Cefazolin USP RC A
- 1-Tetrazoleacetic acid
- 1-Tetrazolylacetic acid
- 1H-Tetrazol-1-acetic acid
- 1H-Tetrazole-1-acetic acid
- 1H-Tetrazolyl-1-acetic acid
- 1H-tetrazol-1-ylacetic acid
- 2-(tetrazol-1-yl)acetic acid
- AB00990359-01
- Tetrazol-1-acetic acid
- Tetrazol-1-yl-acetic acid
- Tetrazole-1-acetic acid
- tetrazolylacetic acid
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