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177989

Isobutyl chloroformate

Name: Isobutyl chloroformate
Brand: ALDRICH

98%

Synonym(s):

Chloroformic acid isobutyl ester, IBCF

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About This Item

Linear Formula:

ClCO₂CH₂CH(CH₃)₂

CAS Number:

543-27-1

Molecular Weight:

136.58

UNSPSC Code:

12352100

NACRES:

NA.22

PubChem Substance ID:

24850706

EC Number:

208-840-1

Beilstein/REAXYS Number:

956590

MDL number:

MFCD00000642

Assay:

98%

Form:

liquid

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Properties

vapor pressure

0.33 mmHg ( 20 °C)

Quality Level

200

assay

98%

form

liquid

refractive index

n20/D 1.407 (lit.)

bp

128.8 °C (lit.)

solubility

benzene: miscible, chloroform: miscible, diethyl ether: miscible

density

1.053 g/mL at 25 °C (lit.)

functional group

chloro

SMILES string

CC(C)COC(Cl)=O

InChI

1S/C5H9ClO2/c1-4(2)3-8-5(6)7/h4H,3H2,1-2H3

InChI key

YOETUEMZNOLGDB-UHFFFAOYSA-N

Description

General description

Isobutyl chloroformate is used as a peptide reagent. In oligonucleotide synthesis, IBCF blocks the 5′-hydroxyl function of deoxyribosides. It also serves as condensing reagent.

Application

Preparation of a volatile derivative of taurine and application to gas chromatographic determination of urinary taurine.: Demonstrates the utility of isobutyl chloroformate in preparing volatile derivatives of taurine for gas chromatographic analysis, offering a methodological advancement in clinical biochemistry (Masuoka et al., 1989).
Quinazoline antifolates inhibiting thymidylate synthase: synthesis of four oligo(L-gamma-glutamyl) conjugates of N10-propargyl-5,8-dideazafolic acid and their enzyme inhibition.: This article investigates the synthesis and biological activity of quinazoline antifolates, using techniques including isobutyl chloroformate, relevant in medicinal chemistry and drug development (Pawelczak et al., 1989).
Coupling of peptides to protein carriers by mixed anhydride procedure.: Discusses a novel technique using isobutyl chloroformate for peptide coupling to proteins, useful in bioconjugate chemistry and vaccine development (Samokhin & Filimonov, 1985).
Folate analogues altered in the C9-N10 bridge region. 18. Synthesis and antitumor evaluation of 11-oxahomoaminopterin and related compounds.: Investigates the role of isobutyl chloroformate in synthesizing folate analogues for cancer research, showing its importance in therapeutic chemistry (Nair et al., 1981).