C4H4Cl2O3
170.98 g/mol
Pharmaceutical IntermediateDanger
Oxydiacetyl dichloride
CAS21062-20-4EC244-186-3
Category
Pharmaceutical Intermediate
Compound Class
Other
Primary Use
Pharmaceutical Intermediate
Oxydiacetyl dichloride is a chemical compound used as a pharmaceutical intermediate. It features two acyl chloride groups and an ether linkage, making it a reactive building block for organic synthesis.
Pharmaceutical intermediate for synthesisReagent for introducing oxydiacetyl or related acyl chloride moieties
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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Safety Reference
Danger
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
Customs Tariff Classification
The international HS code for Oxydiacetyl dichloride (CAS 21062-20-4) is 2918.99.
HS code (international, 6-digit)
2918.99
EU CN code (8-digit)
2918 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-(2-chloro-2-oxoethoxy)acetyl chloride
InChIKey
GTZXSBQCNBNWPK-UHFFFAOYSA-N
SMILES
C(C(=O)Cl)OCC(=O)Cl
Synonyms (8)
- 2,2'-Oxybis[acetyl chloride]
- 2,2'-Oxydiacetyl chloride
- Acetyl chloride, 2,2'-oxybis-
- Diglycolic dichloride
- Diglycolyl chloride
- Oxydiacetyl dichloride
- diglycolic acid dichloride
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