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26569

2-Chlorotrityl chloride

≥97.0% (AT)

Synonym(s):

Chloro(2-chlorophenyl)diphenylmethane

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About This Item

Empirical Formula (Hill Notation):
C19H14Cl2
CAS Number:
42074-68-0
Molecular Weight:
313.22
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
57648180
EC Number:
255-647-3
Beilstein/REAXYS Number:
1983914
MDL number:
MFCD00040399

Key Documents

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Product Name

2-Chlorotrityl chloride, ≥97.0% (AT)

InChI key

JFLSOKIMYBSASW-UHFFFAOYSA-N

InChI

1S/C19H14Cl2/c20-18-14-8-7-13-17(18)19(21,15-9-3-1-4-10-15)16-11-5-2-6-12-16/h1-14H

SMILES string

Clc1ccccc1C(Cl)(c2ccccc2)c3ccccc3

assay

≥97.0% (AT)

form

solid

mp

130-135 °C

functional group

chloro
phenyl

Quality Level

100

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Show Differences

1 of 4

This Item
420364452158.02253
2-Chlorotrityl chloride ≥97.0% (AT)

Sigma-Aldrich

26569

2-Chlorotrityl chloride

3,5-Dinitrobenzyl chloride purum, ≥97.0% (AT)

Sigma-Aldrich

42036

3,5-Dinitrobenzyl chloride

2-Chlorophenylboronic acid ≥95.0%

Sigma-Aldrich

445215

2-Chlorophenylboronic acid

2-Chlorophenol for synthesis

Sigma-Aldrich

8.02253

2-Chlorophenol

assay

≥97.0% (AT)

assay

≥97.0% (AT)

assay

≥95.0%

assay

≥99.0% (GC)

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

200

form

solid

form

-

form

solid

form

liquid

mp

130-135 °C

mp

79-82 °C (lit.)

mp

92-102 °C (lit.)

mp

7 °C

functional group

chloro

functional group

chloro, nitro

functional group

chloro

functional group

-

Application

2-Chlorotrityl chloride was used to obtain protected peptide fragments that can be applied to the preparation of head-to-tail cyclopeptides or to condensation of peptidic fragments[1].

Other Notes

Protecting group reagent for carboxylic acids forming esters which are cleaved mildly.[2]

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
WXBF6502V
BCCJ4214
BCCC4291
BCBQ6881V
BCBG4029V

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Shinichiro F Ichise et al.
Acta biomaterialia, 94, 361-371 (2019-06-15)
Collagen is the most abundant protein in the animal kingdom and has a unique triple-helical structure. It not only provides mechanical strength to tissues, but also performs specific biological functions as a multifaceted signaling molecule. Animal-derived collagen is therefore widely
K Barlos et al.
International journal of peptide and protein research, 37(6), 513-520 (1991-06-01)
The esterification of 2-chlorotrityl chloride resin with Fmoc-amino acids in the presence of DIEA is studied under various conditions. High esterification yields are obtained using 0.6 equiv. Fmoc-amino acid/mmol resin in DCM or DCE, in 25 min, at room temperature.
Jie Luo et al.
Journal of the American Society for Mass Spectrometry, 30(9), 1643-1653 (2019-06-07)
Chemical cross-linking combined with mass spectrometry (CL-MS) is a powerful method for characterizing the architecture of protein assemblies and for mapping protein-protein interactions. Despite its proven utility, confident identification of cross-linked peptides remains a formidable challenge, especially when the peptides
Asker Y Khapchaev et al.
Journal of peptide science : an official publication of the European Peptide Society, 22(11-12), 673-681 (2016-10-05)
Myosin light chain kinase (MLCK) is a key regulator of various forms of cell motility including smooth muscle contraction, cell migration, cytokinesis, receptor capping, secretion, etc. Inhibition of MLCK activity in endothelial and epithelial monolayers using cell-permeant peptide Arg-Lys-Lys-Tyr-Lys-Tyr-Arg-Arg-Lys (PIK
P. Athanassopoulos et al.
Tetrahedron Letters, 36, 5645-5645 (1995)
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