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18992 Sigma-Aldrich

tert-Butyl 2-isocyano-3-methylbutyrate

≥97.0% (GC)

Synonym: DL-Valine tert-butyl ester isocyanide

  • CAS Number 32755-42-3

  • Linear Formula (CH3)2CHCH(NC)COOC(CH3)3

  • Molecular Weight 183.25

  •  Beilstein/REAXYS Number 3947599

  •  MDL number MFCD03411322

  •  PubChem Substance ID 57647774

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Properties

Related Categories Building Blocks, Chemical Synthesis, Isocyanides, Nitrogen Compounds - Organic Building Blocks, Organic Building Blocks More...
assay   ≥97.0% (GC)
refractive index   n20/D 1.424
storage temp.   −20°C
SMILES string   CC(C)C([N+]#[C-])C(=O)OC(C)(C)C
InChI   1S/C10H17NO2/c1-7(2)8(11-6)9(12)13-10(3,4)5/h7-8H,1-5H3
InChI key   WEQOFVFTJQSFPM-UHFFFAOYSA-N

Description

Application

tert-Butyl 2-isocyano-3-methylbutyrate may be used in 4-component reaction, Ugi reaction.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Caution

discolors on storage to deep yellow or deep brownish-yellow

Other Notes

Used in 4-component reaction, Ugi reaction

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis (COA)

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