C21H19O2P
334.3 g/mol
Pharmaceutical IntermediateDanger
Methyl (triphenylphosphoranylidene)acetate
CAS2605-67-6EC220-018-4
Category
Pharmaceutical Intermediate
Compound Class
Organometallic
Primary Use
Pharmaceutical Intermediate
Methyl (triphenylphosphoranylidene)acetate is a phosphonium ylide compound commonly used as a Wittig reagent in organic synthesis. It serves as a pharmaceutical intermediate in the manufacture of various chemical products.
Wittig reagent for organic synthesispharmaceutical 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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Referencesame scaffold
Tert-Butyl(triphenylphosphoranylidene)acetate
CAS35000-38-5
pharmaceutical intermediate
Referencesame scaffold
Triphenylcarbethoxymethylenephosphorane
CAS1099-45-2
research compound
Referencesame scaffold
1-(Triphenylphosphoranylidene)acetone
CAS1439-36-7
research compound
Referencesame scaffold
Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate
CAS147118-35-2
pharmaceutical intermediate
Safety Reference
Danger
H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Methyl (triphenylphosphoranylidene)acetate (CAS 2605-67-6) is 2931.49.
HS code (international, 6-digit)
2931.49
EU CN code (8-digit)
2931 49 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
methyl 2-(triphenyl-lambda5-phosphanylidene)acetate
InChIKey
NTNUDYROPUKXNA-UHFFFAOYSA-N
SMILES
COC(=O)C=P(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3
Synonyms (30)
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